init

2024-02-25 08:30:34 +08:00
commit 4947f39e74
273 changed files with 45396 additions and 0 deletions
--- a/models/defaults.go
+++ b/models/defaults.go
@@ -0,0 +1,186 @@
+package model
+
+import (
+	"github.com/cloudreve/Cloudreve/v3/pkg/cache"
+	"github.com/cloudreve/Cloudreve/v3/pkg/conf"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/gofrs/uuid"
+)
+
+var defaultSettings = []Setting{
+	{Name: "siteURL", Value: `http://localhost`, Type: "basic"},
+	{Name: "siteName", Value: `CloudrevePlus`, Type: "basic"},
+	{Name: "register_enabled", Value: `1`, Type: "register"},
+	{Name: "default_group", Value: `2`, Type: "register"},
+	{Name: "mail_domain_filter", Value: `0`, Type: "register"},
+	{Name: "mail_domain_filter_list", Value: `126.com,163.com,gmail.com,outlook.com,qq.com,foxmail.com,yeah.net,sohu.com,sohu.cn,139.com,wo.cn,189.cn,hotmail.com,live.com,live.cn`, Type: "register"},
+	{Name: "siteKeywords", Value: `CloudrevePlus, cloud storage`, Type: "basic"},
+	{Name: "siteDes", Value: `部署公私兼备的网盘系统`, Type: "basic"},
+	{Name: "siteTitle", Value: `Inclusive cloud storage for everyone`, Type: "basic"},
+	{Name: "siteNotice", Value: ``, Type: "basic"},
+	{Name: "siteScript", Value: ``, Type: "basic"},
+	{Name: "siteID", Value: uuid.Must(uuid.NewV4()).String(), Type: "basic"},
+	{Name: "fromName", Value: `Cloudreve`, Type: "mail"},
+	{Name: "mail_keepalive", Value: `30`, Type: "mail"},
+	{Name: "fromAdress", Value: `no-reply@acg.blue`, Type: "mail"},
+	{Name: "smtpHost", Value: `smtp.mxhichina.com`, Type: "mail"},
+	{Name: "smtpPort", Value: `25`, Type: "mail"},
+	{Name: "replyTo", Value: `abslant@126.com`, Type: "mail"},
+	{Name: "smtpUser", Value: `no-reply@acg.blue`, Type: "mail"},
+	{Name: "smtpPass", Value: ``, Type: "mail"},
+	{Name: "smtpEncryption", Value: `0`, Type: "mail"},
+	{Name: "over_used_template", Value: `<meta name="viewport"content="width=device-width"><meta http-equiv="Content-Type"content="text/html; charset=UTF-8"><title>容量超额提醒</title><style type="text/css">img{max-width:100%}body{-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:none;width:100%!important;height:100%;line-height:1.6em}body{background-color:#f6f6f6}@media only screen and(max-width:640px){body{padding:0!important}h1{font-weight:800!important;margin:20px 0 5px!important}h2{font-weight:800!important;margin:20px 0 5px!important}h3{font-weight:800!important;margin:20px 0 5px!important}h4{font-weight:800!important;margin:20px 0 5px!important}h1{font-size:22px!important}h2{font-size:18px!important}h3{font-size:16px!important}.container{padding:0!important;width:100%!important}.content{padding:0!important}.content-wrap{padding:10px!important}.invoice{width:100%!important}}</style><table class="body-wrap"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; width: 100%; background-color: #f6f6f6; margin: 0;"bgcolor="#f6f6f6"><tbody><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0;"valign="top"></td><td class="container"width="600"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; display: block !important; max-width: 600px !important; clear: both !important; margin: 0 auto;"valign="top"><div class="content"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; max-width: 600px; display: block; margin: 0 auto; padding: 20px;"><table class="main"width="100%"cellpadding="0"cellspacing="0"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; border-radius: 3px; background-color: #fff; margin: 0; border: 1px
+solid #e9e9e9;"bgcolor="#fff"><tbody><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="alert alert-warning"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 16px; vertical-align: top; color: #fff; font-weight: 500; text-align: center; border-radius: 3px 3px 0 0; background-color: #FF9F00; margin: 0; padding: 20px;"align="center"bgcolor="#FF9F00"valign="top">容量超额警告</td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-wrap"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 20px;"valign="top"><table width="100%"cellpadding="0"cellspacing="0"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><tbody><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top">亲爱的<strong style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;">{userName}</strong>：</td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top">由于{notifyReason}，您在{siteTitle}的账户的容量使用超出配额，您将无法继续上传新文件，请尽快清理文件，否则我们将会禁用您的账户。</td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top"><a href="{siteUrl}Login"class="btn-primary"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; color: #FFF; text-decoration: none; line-height: 2em; font-weight: bold; text-align: center; cursor: pointer; display: inline-block; border-radius: 5px; text-transform: capitalize; background-color: #348eda; margin: 0; border-color: #348eda; border-style: solid; border-width: 10px 20px;">登录{siteTitle}</a></td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top">感谢您选择{siteTitle}。</td></tr></tbody></table></td></tr></tbody></table><div class="footer"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; width: 100%; clear: both; color: #999; margin: 0; padding: 20px;"><table width="100%"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><tbody><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="aligncenter content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 12px; vertical-align: top; color: #999; text-align: center; margin: 0; padding: 0 0 20px;"align="center"valign="top">此邮件由系统自动发送，请不要直接回复。</td></tr></tbody></table></div></div></td><td style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0;"valign="top"></td></tr></tbody></table>`, Type: "mail_template"},
+	{Name: "ban_time", Value: `604800`, Type: "storage_policy"},
+	{Name: "maxEditSize", Value: `52428800`, Type: "file_edit"},
+	{Name: "archive_timeout", Value: `600`, Type: "timeout"},
+	{Name: "download_timeout", Value: `600`, Type: "timeout"},
+	{Name: "preview_timeout", Value: `600`, Type: "timeout"},
+	{Name: "doc_preview_timeout", Value: `600`, Type: "timeout"},
+	{Name: "upload_session_timeout", Value: `86400`, Type: "timeout"},
+	{Name: "slave_api_timeout", Value: `60`, Type: "timeout"},
+	{Name: "slave_node_retry", Value: `3`, Type: "slave"},
+	{Name: "slave_ping_interval", Value: `60`, Type: "slave"},
+	{Name: "slave_recover_interval", Value: `120`, Type: "slave"},
+	{Name: "slave_transfer_timeout", Value: `172800`, Type: "timeout"},
+	{Name: "onedrive_monitor_timeout", Value: `600`, Type: "timeout"},
+	{Name: "onedrive_source_timeout", Value: `1800`, Type: "timeout"},
+	{Name: "share_download_session_timeout", Value: `2073600`, Type: "timeout"},
+	{Name: "onedrive_callback_check", Value: `20`, Type: "timeout"},
+	{Name: "folder_props_timeout", Value: `300`, Type: "timeout"},
+	{Name: "chunk_retries", Value: `5`, Type: "retry"},
+	{Name: "onedrive_source_timeout", Value: `1800`, Type: "timeout"},
+	{Name: "reset_after_upload_failed", Value: `0`, Type: "upload"},
+	{Name: "use_temp_chunk_buffer", Value: `1`, Type: "upload"},
+	{Name: "login_captcha", Value: `0`, Type: "login"},
+	{Name: "qq_login", Value: `0`, Type: "login"},
+	{Name: "qq_direct_login", Value: `0`, Type: "login"},
+	{Name: "qq_login_id", Value: ``, Type: "login"},
+	{Name: "qq_login_key", Value: ``, Type: "login"},
+	{Name: "reg_captcha", Value: `0`, Type: "login"},
+	{Name: "email_active", Value: `0`, Type: "register"},
+	{Name: "mail_activation_template", Value: `<!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box;
+font-size: 14px; margin: 0;"><head><meta name="viewport"content="width=device-width"/><meta http-equiv="Content-Type"content="text/html; charset=UTF-8"/><title>用户激活</title><style type="text/css">img{max-width:100%}body{-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:none;width:100%!important;height:100%;line-height:1.6em}body{background-color:#f6f6f6}@media only screen and(max-width:640px){body{padding:0!important}h1{font-weight:800!important;margin:20px 0 5px!important}h2{font-weight:800!important;margin:20px 0 5px!important}h3{font-weight:800!important;margin:20px 0 5px!important}h4{font-weight:800!important;margin:20px 0 5px!important}h1{font-size:22px!important}h2{font-size:18px!important}h3{font-size:16px!important}.container{padding:0!important;width:100%!important}.content{padding:0!important}.content-wrap{padding:10px!important}.invoice{width:100%!important}}</style></head><body itemscope itemtype="http://schema.org/EmailMessage"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing:
+border-box; font-size: 14px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; width: 100% !important; height: 100%; line-height: 1.6em; background-color: #f6f6f6; margin: 0;"bgcolor="#f6f6f6"><table class="body-wrap"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; width: 100%; background-color: #f6f6f6; margin: 0;"bgcolor="#f6f6f6"><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif;
+box-sizing: border-box; font-size: 14px; margin: 0;"><td style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0;"valign="top"></td><td class="container"width="600"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; display: block !important; max-width: 600px !important; clear: both !important; margin: 0 auto;"valign="top"><div class="content"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; max-width: 600px; display: block; margin: 0 auto; padding: 20px;"><table class="main"width="100%"cellpadding="0"cellspacing="0"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; border-radius: 3px; background-color: #fff; margin: 0; border: 1px
+solid #e9e9e9;"bgcolor="#fff"><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size:
+14px; margin: 0;"><td class="alert alert-warning"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 16px; vertical-align: top; color: #fff; font-weight: 500; text-align: center; border-radius: 3px 3px 0 0; background-color: #009688; margin: 0; padding: 20px;"align="center"bgcolor="#FF9F00"valign="top">激活{siteTitle}账户</td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-wrap"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 20px;"valign="top"><table width="100%"cellpadding="0"cellspacing="0"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica
+Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top">亲爱的<strong style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;">{userName}</strong>：</td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top">感谢您注册{siteTitle},请点击下方按钮完成账户激活。</td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top"><a href="{activationUrl}"class="btn-primary"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; color: #FFF; text-decoration: none; line-height: 2em; font-weight: bold; text-align: center; cursor: pointer; display: inline-block; border-radius: 5px; text-transform: capitalize; background-color: #009688; margin: 0; border-color: #009688; border-style: solid; border-width: 10px 20px;">激活账户</a></td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top">感谢您选择{siteTitle}。</td></tr></table></td></tr></table><div class="footer"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; width: 100%; clear: both; color: #999; margin: 0; padding: 20px;"><table width="100%"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="aligncenter content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 12px; vertical-align: top; color: #999; text-align: center; margin: 0; padding: 0 0 20px;"align="center"valign="top">此邮件由系统自动发送，请不要直接回复。</td></tr></table></div></div></td><td style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0;"valign="top"></td></tr></table></body></html>`, Type: "mail_template"},
+	{Name: "forget_captcha", Value: `0`, Type: "login"},
+	{Name: "mail_reset_pwd_template", Value: `<!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box;
+font-size: 14px; margin: 0;"><head><meta name="viewport"content="width=device-width"/><meta http-equiv="Content-Type"content="text/html; charset=UTF-8"/><title>重设密码</title><style type="text/css">img{max-width:100%}body{-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:none;width:100%!important;height:100%;line-height:1.6em}body{background-color:#f6f6f6}@media only screen and(max-width:640px){body{padding:0!important}h1{font-weight:800!important;margin:20px 0 5px!important}h2{font-weight:800!important;margin:20px 0 5px!important}h3{font-weight:800!important;margin:20px 0 5px!important}h4{font-weight:800!important;margin:20px 0 5px!important}h1{font-size:22px!important}h2{font-size:18px!important}h3{font-size:16px!important}.container{padding:0!important;width:100%!important}.content{padding:0!important}.content-wrap{padding:10px!important}.invoice{width:100%!important}}</style></head><body itemscope itemtype="http://schema.org/EmailMessage"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing:
+border-box; font-size: 14px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; width: 100% !important; height: 100%; line-height: 1.6em; background-color: #f6f6f6; margin: 0;"bgcolor="#f6f6f6"><table class="body-wrap"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; width: 100%; background-color: #f6f6f6; margin: 0;"bgcolor="#f6f6f6"><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif;
+box-sizing: border-box; font-size: 14px; margin: 0;"><td style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0;"valign="top"></td><td class="container"width="600"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; display: block !important; max-width: 600px !important; clear: both !important; margin: 0 auto;"valign="top"><div class="content"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; max-width: 600px; display: block; margin: 0 auto; padding: 20px;"><table class="main"width="100%"cellpadding="0"cellspacing="0"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; border-radius: 3px; background-color: #fff; margin: 0; border: 1px
+solid #e9e9e9;"bgcolor="#fff"><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size:
+14px; margin: 0;"><td class="alert alert-warning"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 16px; vertical-align: top; color: #fff; font-weight: 500; text-align: center; border-radius: 3px 3px 0 0; background-color: #2196F3; margin: 0; padding: 20px;"align="center"bgcolor="#FF9F00"valign="top">重设{siteTitle}密码</td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-wrap"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 20px;"valign="top"><table width="100%"cellpadding="0"cellspacing="0"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica
+Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top">亲爱的<strong style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;">{userName}</strong>：</td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top">请点击下方按钮完成密码重设。如果非你本人操作，请忽略此邮件。</td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top"><a href="{resetUrl}"class="btn-primary"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; color: #FFF; text-decoration: none; line-height: 2em; font-weight: bold; text-align: center; cursor: pointer; display: inline-block; border-radius: 5px; text-transform: capitalize; background-color: #2196F3; margin: 0; border-color: #2196F3; border-style: solid; border-width: 10px 20px;">重设密码</a></td></tr><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0; padding: 0 0 20px;"valign="top">感谢您选择{siteTitle}。</td></tr></table></td></tr></table><div class="footer"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; width: 100%; clear: both; color: #999; margin: 0; padding: 20px;"><table width="100%"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><tr style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; margin: 0;"><td class="aligncenter content-block"style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 12px; vertical-align: top; color: #999; text-align: center; margin: 0; padding: 0 0 20px;"align="center"valign="top">此邮件由系统自动发送，请不要直接回复。</td></tr></table></div></div></td><td style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; vertical-align: top; margin: 0;"valign="top"></td></tr></table></body></html>`, Type: "mail_template"},
+	{Name: "pack_data", Value: `[]`, Type: "pack"},
+	{Name: "db_version_" + conf.RequiredDBVersion, Value: `installed`, Type: "version"},
+	{Name: "alipay_enabled", Value: `0`, Type: "payment"},
+	{Name: "payjs_enabled", Value: `0`, Type: "payment"},
+	{Name: "payjs_id", Value: ``, Type: "payment"},
+	{Name: "payjs_secret", Value: ``, Type: "payment"},
+	{Name: "appid", Value: ``, Type: "payment"},
+	{Name: "appkey", Value: ``, Type: "payment"},
+	{Name: "shopid", Value: ``, Type: "payment"},
+	{Name: "wechat_enabled", Value: `0`, Type: "payment"},
+	{Name: "wechat_appid", Value: ``, Type: "payment"},
+	{Name: "wechat_mchid", Value: ``, Type: "payment"},
+	{Name: "wechat_serial_no", Value: ``, Type: "payment"},
+	{Name: "wechat_api_key", Value: ``, Type: "payment"},
+	{Name: "wechat_pk_content", Value: ``, Type: "payment"},
+	{Name: "hot_share_num", Value: `10`, Type: "share"},
+	{Name: "group_sell_data", Value: `[]`, Type: "group_sell"},
+	{Name: "gravatar_server", Value: `https://www.gravatar.com/`, Type: "avatar"},
+	{Name: "defaultTheme", Value: `#3f51b5`, Type: "basic"},
+	{Name: "themes", Value: `{"#3f51b5":{"palette":{"primary":{"main":"#3f51b5"},"secondary":{"main":"#f50057"}}},"#2196f3":{"palette":{"primary":{"main":"#2196f3"},"secondary":{"main":"#FFC107"}}},"#673AB7":{"palette":{"primary":{"main":"#673AB7"},"secondary":{"main":"#2196F3"}}},"#E91E63":{"palette":{"primary":{"main":"#E91E63"},"secondary":{"main":"#42A5F5","contrastText":"#fff"}}},"#FF5722":{"palette":{"primary":{"main":"#FF5722"},"secondary":{"main":"#3F51B5"}}},"#FFC107":{"palette":{"primary":{"main":"#FFC107"},"secondary":{"main":"#26C6DA"}}},"#8BC34A":{"palette":{"primary":{"main":"#8BC34A","contrastText":"#fff"},"secondary":{"main":"#FF8A65","contrastText":"#fff"}}},"#009688":{"palette":{"primary":{"main":"#009688"},"secondary":{"main":"#4DD0E1","contrastText":"#fff"}}},"#607D8B":{"palette":{"primary":{"main":"#607D8B"},"secondary":{"main":"#F06292"}}},"#795548":{"palette":{"primary":{"main":"#795548"},"secondary":{"main":"#4CAF50","contrastText":"#fff"}}}}`, Type: "basic"},
+	{Name: "max_worker_num", Value: `10`, Type: "task"},
+	{Name: "max_parallel_transfer", Value: `4`, Type: "task"},
+	{Name: "secret_key", Value: util.RandStringRunes(256), Type: "auth"},
+	{Name: "temp_path", Value: "temp", Type: "path"},
+	{Name: "avatar_path", Value: "avatar", Type: "path"},
+	{Name: "avatar_size", Value: "2097152", Type: "avatar"},
+	{Name: "avatar_size_l", Value: "200", Type: "avatar"},
+	{Name: "avatar_size_m", Value: "130", Type: "avatar"},
+	{Name: "avatar_size_s", Value: "50", Type: "avatar"},
+	{Name: "score_enabled", Value: "1", Type: "score"},
+	{Name: "share_score_rate", Value: "80", Type: "score"},
+	{Name: "score_price", Value: "1", Type: "score"},
+	{Name: "report_enabled", Value: "0", Type: "report"},
+	{Name: "home_view_method", Value: "list", Type: "view"},
+	{Name: "share_view_method", Value: "list", Type: "view"},
+	{Name: "cron_garbage_collect", Value: "@hourly", Type: "cron"},
+	{Name: "cron_notify_user", Value: "@hourly", Type: "cron"},
+	{Name: "cron_ban_user", Value: "@hourly", Type: "cron"},
+	{Name: "cron_recycle_upload_session", Value: "@every 1h30m", Type: "cron"},
+	{Name: "authn_enabled", Value: "0", Type: "authn"},
+	{Name: "captcha_type", Value: "normal", Type: "captcha"},
+	{Name: "captcha_height", Value: "60", Type: "captcha"},
+	{Name: "captcha_width", Value: "240", Type: "captcha"},
+	{Name: "captcha_mode", Value: "3", Type: "captcha"},
+	{Name: "captcha_ComplexOfNoiseText", Value: "0", Type: "captcha"},
+	{Name: "captcha_ComplexOfNoiseDot", Value: "0", Type: "captcha"},
+	{Name: "captcha_IsShowHollowLine", Value: "0", Type: "captcha"},
+	{Name: "captcha_IsShowNoiseDot", Value: "1", Type: "captcha"},
+	{Name: "captcha_IsShowNoiseText", Value: "0", Type: "captcha"},
+	{Name: "captcha_IsShowSlimeLine", Value: "1", Type: "captcha"},
+	{Name: "captcha_IsShowSineLine", Value: "0", Type: "captcha"},
+	{Name: "captcha_CaptchaLen", Value: "6", Type: "captcha"},
+	{Name: "captcha_ReCaptchaKey", Value: "defaultKey", Type: "captcha"},
+	{Name: "captcha_ReCaptchaSecret", Value: "defaultSecret", Type: "captcha"},
+	{Name: "captcha_TCaptcha_CaptchaAppId", Value: "", Type: "captcha"},
+	{Name: "captcha_TCaptcha_AppSecretKey", Value: "", Type: "captcha"},
+	{Name: "captcha_TCaptcha_SecretId", Value: "", Type: "captcha"},
+	{Name: "captcha_TCaptcha_SecretKey", Value: "", Type: "captcha"},
+	{Name: "thumb_width", Value: "400", Type: "thumb"},
+	{Name: "thumb_height", Value: "300", Type: "thumb"},
+	{Name: "thumb_file_suffix", Value: "._thumb", Type: "thumb"},
+	{Name: "thumb_max_task_count", Value: "-1", Type: "thumb"},
+	{Name: "thumb_encode_method", Value: "jpg", Type: "thumb"},
+	{Name: "thumb_gc_after_gen", Value: "0", Type: "thumb"},
+	{Name: "thumb_encode_quality", Value: "85", Type: "thumb"},
+	{Name: "thumb_builtin_enabled", Value: "1", Type: "thumb"},
+	{Name: "thumb_vips_enabled", Value: "0", Type: "thumb"},
+	{Name: "thumb_ffmpeg_enabled", Value: "0", Type: "thumb"},
+	{Name: "thumb_vips_path", Value: "vips", Type: "thumb"},
+	{Name: "thumb_vips_exts", Value: "csv,mat,img,hdr,pbm,pgm,ppm,pfm,pnm,svg,svgz,j2k,jp2,jpt,j2c,jpc,gif,png,jpg,jpeg,jpe,webp,tif,tiff,fits,fit,fts,exr,jxl,pdf,heic,heif,avif,svs,vms,vmu,ndpi,scn,mrxs,svslide,bif,raw", Type: "thumb"},
+	{Name: "thumb_ffmpeg_seek", Value: "00:00:01.00", Type: "thumb"},
+	{Name: "thumb_ffmpeg_path", Value: "ffmpeg", Type: "thumb"},
+	{Name: "thumb_ffmpeg_exts", Value: "3g2,3gp,asf,asx,avi,divx,flv,m2ts,m2v,m4v,mkv,mov,mp4,mpeg,mpg,mts,mxf,ogv,rm,swf,webm,wmv", Type: "thumb"},
+	{Name: "thumb_libreoffice_path", Value: "soffice", Type: "thumb"},
+	{Name: "thumb_libreoffice_enabled", Value: "0", Type: "thumb"},
+	{Name: "thumb_libreoffice_exts", Value: "md,ods,ots,fods,uos,xlsx,xml,xls,xlt,dif,dbf,html,slk,csv,xlsm,docx,dotx,doc,dot,rtf,xlsm,xlst,xls,xlw,xlc,xlt,pptx,ppsx,potx,pomx,ppt,pps,ppm,pot,pom", Type: "thumb"},
+	{Name: "thumb_proxy_enabled", Value: "0", Type: "thumb"},
+	{Name: "thumb_proxy_policy", Value: "[]", Type: "thumb"},
+	{Name: "thumb_max_src_size", Value: "31457280", Type: "thumb"},
+	{Name: "pwa_small_icon", Value: "/static/img/favicon.ico", Type: "pwa"},
+	{Name: "pwa_medium_icon", Value: "/static/img/logo192.png", Type: "pwa"},
+	{Name: "pwa_large_icon", Value: "/static/img/logo512.png", Type: "pwa"},
+	{Name: "pwa_display", Value: "standalone", Type: "pwa"},
+	{Name: "pwa_theme_color", Value: "#000000", Type: "pwa"},
+	{Name: "pwa_background_color", Value: "#ffffff", Type: "pwa"},
+	{Name: "initial_files", Value: "[]", Type: "register"},
+	{Name: "office_preview_service", Value: "https://view.officeapps.live.com/op/view.aspx?src={$src}", Type: "preview"},
+	{Name: "phone_required", Value: "false", Type: "phone"},
+	{Name: "phone_enabled", Value: "false", Type: "phone"},
+	{Name: "vol_content", Value: "eyJkb21haW4iOiJjbG91ZHJldmUub3JnIiwicHVyY2hhc2VfZGF0ZSI6MTY3MDMyOTI3OX0=", Type: "vol"},
+	{Name: "vol_signature", Value: "UzVBwjfFNTU1bSQV8OTgbMvTdRO7FwNYyMdTu4/phmyUltc6MrluUItiK0v+Uq6yX05L4ZnhTlojVLgi3zXWNq0Tjo3zW3CffZVwj7FCrmG72PBuQp4hV3+b/eMpUbYcTTT9zEt2mneSpGJBOsxDgaf9isVzP+J+YwynPJy1UMa1ckYlc/rEExcxqZxH1tiSHfkyuelIENDiwiggOZl7J2opM5jbxH9oTiAhxl6MN1dbY6DH9bydTibcylSXoQASCse6P/i6JmEWPSRDY22Ofkw3cqTzQcxuMSJjYYVkdAHdeqoDYi4ywmAr1tAJnlDyNNU/KmLQzufgAWjdGKTPNA==", Type: "vol"},
+	{Name: "show_app_promotion", Value: "1", Type: "mobile"},
+	{Name: "public_resource_maxage", Value: "86400", Type: "timeout"},
+	{Name: "wopi_enabled", Value: "0", Type: "wopi"},
+	{Name: "wopi_endpoint", Value: "", Type: "wopi"},
+	{Name: "wopi_max_size", Value: "52428800", Type: "wopi"},
+	{Name: "wopi_session_timeout", Value: "36000", Type: "wopi"},
+	{Name: "custom_payment_enabled", Value: "0", Type: "payment"},
+	{Name: "custom_payment_endpoint", Value: "", Type: "payment"},
+	{Name: "custom_payment_secret", Value: "", Type: "payment"},
+	{Name: "custom_payment_name", Value: "", Type: "payment"},
+	{Name: "app_feedback_link", Value: "", Type: "mobile"},
+	{Name: "app_forum_link", Value: "", Type: "mobile"},
+}
+
+func InitSlaveDefaults() {
+	for _, setting := range defaultSettings {
+		cache.Set("setting_"+setting.Name, setting.Value, -1)
+	}
+}
--- a/models/dialects/dialect_sqlite.go
+++ b/models/dialects/dialect_sqlite.go
@@ -0,0 +1,288 @@
+package dialects
+
+import (
+	"fmt"
+	"reflect"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/jinzhu/gorm"
+)
+
+var keyNameRegex = regexp.MustCompile("[^a-zA-Z0-9]+")
+
+// DefaultForeignKeyNamer contains the default foreign key name generator method
+type DefaultForeignKeyNamer struct {
+}
+
+type commonDialect struct {
+	db gorm.SQLCommon
+	DefaultForeignKeyNamer
+}
+
+func (commonDialect) GetName() string {
+	return "common"
+}
+
+func (s *commonDialect) SetDB(db gorm.SQLCommon) {
+	s.db = db
+}
+
+func (commonDialect) BindVar(i int) string {
+	return "$$$" // ?
+}
+
+func (commonDialect) Quote(key string) string {
+	return fmt.Sprintf(`"%s"`, key)
+}
+
+func (s *commonDialect) fieldCanAutoIncrement(field *gorm.StructField) bool {
+	if value, ok := field.TagSettingsGet("AUTO_INCREMENT"); ok {
+		return strings.ToLower(value) != "false"
+	}
+	return field.IsPrimaryKey
+}
+
+func (s *commonDialect) DataTypeOf(field *gorm.StructField) string {
+	var dataValue, sqlType, size, additionalType = gorm.ParseFieldStructForDialect(field, s)
+
+	if sqlType == "" {
+		switch dataValue.Kind() {
+		case reflect.Bool:
+			sqlType = "BOOLEAN"
+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
+			if s.fieldCanAutoIncrement(field) {
+				sqlType = "INTEGER AUTO_INCREMENT"
+			} else {
+				sqlType = "INTEGER"
+			}
+		case reflect.Int64, reflect.Uint64:
+			if s.fieldCanAutoIncrement(field) {
+				sqlType = "BIGINT AUTO_INCREMENT"
+			} else {
+				sqlType = "BIGINT"
+			}
+		case reflect.Float32, reflect.Float64:
+			sqlType = "FLOAT"
+		case reflect.String:
+			if size > 0 && size < 65532 {
+				sqlType = fmt.Sprintf("VARCHAR(%d)", size)
+			} else {
+				sqlType = "VARCHAR(65532)"
+			}
+		case reflect.Struct:
+			if _, ok := dataValue.Interface().(time.Time); ok {
+				sqlType = "TIMESTAMP"
+			}
+		default:
+			if _, ok := dataValue.Interface().([]byte); ok {
+				if size > 0 && size < 65532 {
+					sqlType = fmt.Sprintf("BINARY(%d)", size)
+				} else {
+					sqlType = "BINARY(65532)"
+				}
+			}
+		}
+	}
+
+	if sqlType == "" {
+		panic(fmt.Sprintf("invalid sql type %s (%s) for commonDialect", dataValue.Type().Name(), dataValue.Kind().String()))
+	}
+
+	if strings.TrimSpace(additionalType) == "" {
+		return sqlType
+	}
+	return fmt.Sprintf("%v %v", sqlType, additionalType)
+}
+
+func currentDatabaseAndTable(dialect gorm.Dialect, tableName string) (string, string) {
+	if strings.Contains(tableName, ".") {
+		splitStrings := strings.SplitN(tableName, ".", 2)
+		return splitStrings[0], splitStrings[1]
+	}
+	return dialect.CurrentDatabase(), tableName
+}
+
+func (s commonDialect) HasIndex(tableName string, indexName string) bool {
+	var count int
+	currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
+	s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.STATISTICS WHERE table_schema = ? AND table_name = ? AND index_name = ?", currentDatabase, tableName, indexName).Scan(&count)
+	return count > 0
+}
+
+func (s commonDialect) RemoveIndex(tableName string, indexName string) error {
+	_, err := s.db.Exec(fmt.Sprintf("DROP INDEX %v", indexName))
+	return err
+}
+
+func (s commonDialect) HasForeignKey(tableName string, foreignKeyName string) bool {
+	return false
+}
+
+func (s commonDialect) HasTable(tableName string) bool {
+	var count int
+	currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
+	s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.TABLES WHERE table_schema = ? AND table_name = ?", currentDatabase, tableName).Scan(&count)
+	return count > 0
+}
+
+func (s commonDialect) HasColumn(tableName string, columnName string) bool {
+	var count int
+	currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
+	s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = ? AND table_name = ? AND column_name = ?", currentDatabase, tableName, columnName).Scan(&count)
+	return count > 0
+}
+
+func (s commonDialect) ModifyColumn(tableName string, columnName string, typ string) error {
+	_, err := s.db.Exec(fmt.Sprintf("ALTER TABLE %v ALTER COLUMN %v TYPE %v", tableName, columnName, typ))
+	return err
+}
+
+func (s commonDialect) CurrentDatabase() (name string) {
+	s.db.QueryRow("SELECT DATABASE()").Scan(&name)
+	return
+}
+
+func (commonDialect) LimitAndOffsetSQL(limit, offset interface{}) (sql string) {
+	if limit != nil {
+		if parsedLimit, err := strconv.ParseInt(fmt.Sprint(limit), 0, 0); err == nil && parsedLimit >= 0 {
+			sql += fmt.Sprintf(" LIMIT %d", parsedLimit)
+		}
+	}
+	if offset != nil {
+		if parsedOffset, err := strconv.ParseInt(fmt.Sprint(offset), 0, 0); err == nil && parsedOffset >= 0 {
+			sql += fmt.Sprintf(" OFFSET %d", parsedOffset)
+		}
+	}
+	return
+}
+
+func (commonDialect) SelectFromDummyTable() string {
+	return ""
+}
+
+func (commonDialect) LastInsertIDReturningSuffix(tableName, columnName string) string {
+	return ""
+}
+
+func (commonDialect) DefaultValueStr() string {
+	return "DEFAULT VALUES"
+}
+
+// BuildKeyName returns a valid key name (foreign key, index key) for the given table, field and reference
+func (DefaultForeignKeyNamer) BuildKeyName(kind, tableName string, fields ...string) string {
+	keyName := fmt.Sprintf("%s_%s_%s", kind, tableName, strings.Join(fields, "_"))
+	keyName = keyNameRegex.ReplaceAllString(keyName, "_")
+	return keyName
+}
+
+// NormalizeIndexAndColumn returns argument's index name and column name without doing anything
+func (commonDialect) NormalizeIndexAndColumn(indexName, columnName string) (string, string) {
+	return indexName, columnName
+}
+
+// IsByteArrayOrSlice returns true of the reflected value is an array or slice
+func IsByteArrayOrSlice(value reflect.Value) bool {
+	return (value.Kind() == reflect.Array || value.Kind() == reflect.Slice) && value.Type().Elem() == reflect.TypeOf(uint8(0))
+}
+
+type sqlite struct {
+	commonDialect
+}
+
+func init() {
+	gorm.RegisterDialect("sqlite", &sqlite{})
+}
+
+func (sqlite) GetName() string {
+	return "sqlite"
+}
+
+// Get Data Type for Sqlite Dialect
+func (s *sqlite) DataTypeOf(field *gorm.StructField) string {
+	var dataValue, sqlType, size, additionalType = gorm.ParseFieldStructForDialect(field, s)
+
+	if sqlType == "" {
+		switch dataValue.Kind() {
+		case reflect.Bool:
+			sqlType = "bool"
+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
+			if s.fieldCanAutoIncrement(field) {
+				field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
+				sqlType = "integer primary key autoincrement"
+			} else {
+				sqlType = "integer"
+			}
+		case reflect.Int64, reflect.Uint64:
+			if s.fieldCanAutoIncrement(field) {
+				field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
+				sqlType = "integer primary key autoincrement"
+			} else {
+				sqlType = "bigint"
+			}
+		case reflect.Float32, reflect.Float64:
+			sqlType = "real"
+		case reflect.String:
+			if size > 0 && size < 65532 {
+				sqlType = fmt.Sprintf("varchar(%d)", size)
+			} else {
+				sqlType = "text"
+			}
+		case reflect.Struct:
+			if _, ok := dataValue.Interface().(time.Time); ok {
+				sqlType = "datetime"
+			}
+		default:
+			if IsByteArrayOrSlice(dataValue) {
+				sqlType = "blob"
+			}
+		}
+	}
+
+	if sqlType == "" {
+		panic(fmt.Sprintf("invalid sql type %s (%s) for sqlite", dataValue.Type().Name(), dataValue.Kind().String()))
+	}
+
+	if strings.TrimSpace(additionalType) == "" {
+		return sqlType
+	}
+	return fmt.Sprintf("%v %v", sqlType, additionalType)
+}
+
+func (s sqlite) HasIndex(tableName string, indexName string) bool {
+	var count int
+	s.db.QueryRow(fmt.Sprintf("SELECT count(*) FROM sqlite_master WHERE tbl_name = ? AND sql LIKE '%%INDEX %v ON%%'", indexName), tableName).Scan(&count)
+	return count > 0
+}
+
+func (s sqlite) HasTable(tableName string) bool {
+	var count int
+	s.db.QueryRow("SELECT count(*) FROM sqlite_master WHERE type='table' AND name=?", tableName).Scan(&count)
+	return count > 0
+}
+
+func (s sqlite) HasColumn(tableName string, columnName string) bool {
+	var count int
+	s.db.QueryRow(fmt.Sprintf("SELECT count(*) FROM sqlite_master WHERE tbl_name = ? AND (sql LIKE '%%\"%v\" %%' OR sql LIKE '%%%v %%');", columnName, columnName), tableName).Scan(&count)
+	return count > 0
+}
+
+func (s sqlite) CurrentDatabase() (name string) {
+	var (
+		ifaces   = make([]interface{}, 3)
+		pointers = make([]*string, 3)
+		i        int
+	)
+	for i = 0; i < 3; i++ {
+		ifaces[i] = &pointers[i]
+	}
+	if err := s.db.QueryRow("PRAGMA database_list").Scan(ifaces...); err != nil {
+		return
+	}
+	if pointers[1] != nil {
+		name = *pointers[1]
+	}
+	return
+}
--- a/models/download.go
+++ b/models/download.go
@@ -0,0 +1,128 @@
+package model
+
+import (
+	"encoding/json"
+
+	"github.com/cloudreve/Cloudreve/v3/pkg/aria2/rpc"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/jinzhu/gorm"
+)
+
+// Download 离线下载队列模型
+type Download struct {
+	gorm.Model
+	Status         int    // 任务状态
+	Type           int    // 任务类型
+	Source         string `gorm:"type:text"` // 文件下载地址
+	TotalSize      uint64 // 文件大小
+	DownloadedSize uint64 // 文件大小
+	GID            string `gorm:"size:32,index:gid"` // 任务ID
+	Speed          int    // 下载速度
+	Parent         string `gorm:"type:text"`       // 存储目录
+	Attrs          string `gorm:"size:4294967295"` // 任务状态属性
+	Error          string `gorm:"type:text"`       // 错误描述
+	Dst            string `gorm:"type:text"`       // 用户文件系统存储父目录路径
+	UserID         uint   // 发起者UID
+	TaskID         uint   // 对应的转存任务ID
+	NodeID         uint   // 处理任务的节点ID
+
+	// 关联模型
+	User *User `gorm:"PRELOAD:false,association_autoupdate:false"`
+
+	// 数据库忽略字段
+	StatusInfo rpc.StatusInfo `gorm:"-"`
+	Task       *Task          `gorm:"-"`
+	NodeName   string         `gorm:"-"`
+}
+
+// AfterFind 找到下载任务后的钩子，处理Status结构
+func (task *Download) AfterFind() (err error) {
+	// 解析状态
+	if task.Attrs != "" {
+		err = json.Unmarshal([]byte(task.Attrs), &task.StatusInfo)
+	}
+
+	if task.TaskID != 0 {
+		task.Task, _ = GetTasksByID(task.TaskID)
+	}
+
+	return err
+}
+
+// BeforeSave Save下载任务前的钩子
+func (task *Download) BeforeSave() (err error) {
+	// 解析状态
+	if task.Attrs != "" {
+		err = json.Unmarshal([]byte(task.Attrs), &task.StatusInfo)
+	}
+	return err
+}
+
+// Create 创建离线下载记录
+func (task *Download) Create() (uint, error) {
+	if err := DB.Create(task).Error; err != nil {
+		util.Log().Warning("Failed to insert download record: %s", err)
+		return 0, err
+	}
+	return task.ID, nil
+}
+
+// Save 更新
+func (task *Download) Save() error {
+	if err := DB.Save(task).Error; err != nil {
+		util.Log().Warning("Failed to update download record: %s", err)
+		return err
+	}
+	return nil
+}
+
+// GetDownloadsByStatus 根据状态检索下载
+func GetDownloadsByStatus(status ...int) []Download {
+	var tasks []Download
+	DB.Where("status in (?)", status).Find(&tasks)
+	return tasks
+}
+
+// GetDownloadsByStatusAndUser 根据状态检索和用户ID下载
+// page 为 0 表示列出所有，非零时分页
+func GetDownloadsByStatusAndUser(page, uid uint, status ...int) []Download {
+	var tasks []Download
+	dbChain := DB
+	if page > 0 {
+		dbChain = dbChain.Limit(10).Offset((page - 1) * 10).Order("updated_at DESC")
+	}
+	dbChain.Where("user_id = ? and status in (?)", uid, status).Find(&tasks)
+	return tasks
+}
+
+// GetDownloadByGid 根据GID和用户ID查找下载
+func GetDownloadByGid(gid string, uid uint) (*Download, error) {
+	download := &Download{}
+	result := DB.Where("user_id = ? and g_id = ?", uid, gid).First(download)
+	return download, result.Error
+}
+
+// GetOwner 获取下载任务所属用户
+func (task *Download) GetOwner() *User {
+	if task.User == nil {
+		if user, err := GetUserByID(task.UserID); err == nil {
+			return &user
+		}
+	}
+	return task.User
+}
+
+// Delete 删除离线下载记录
+func (download *Download) Delete() error {
+	return DB.Model(download).Delete(download).Error
+}
+
+// GetNodeID 返回任务所属节点ID
+func (task *Download) GetNodeID() uint {
+	// 兼容3.4版本之前生成的下载记录
+	if task.NodeID == 0 {
+		return 1
+	}
+
+	return task.NodeID
+}
--- a/models/file.go
+++ b/models/file.go
@@ -0,0 +1,525 @@
+package model
+
+import (
+	"encoding/gob"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"path"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/fsctx"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/jinzhu/gorm"
+)
+
+// File 文件
+type File struct {
+	// 表字段
+	gorm.Model
+	Name            string `gorm:"unique_index:idx_only_one"`
+	SourceName      string `gorm:"type:text"`
+	UserID          uint   `gorm:"index:user_id;unique_index:idx_only_one"`
+	Size            uint64
+	PicInfo         string
+	FolderID        uint `gorm:"index:folder_id;unique_index:idx_only_one"`
+	PolicyID        uint
+	UploadSessionID *string `gorm:"index:session_id;unique_index:session_only_one"`
+	Metadata        string  `gorm:"type:text"`
+
+	// 关联模型
+	Policy Policy `gorm:"PRELOAD:false,association_autoupdate:false"`
+
+	// 数据库忽略字段
+	Position           string            `gorm:"-"`
+	MetadataSerialized map[string]string `gorm:"-"`
+}
+
+// Thumb related metadata
+const (
+	ThumbStatusNotExist     = ""
+	ThumbStatusExist        = "exist"
+	ThumbStatusNotAvailable = "not_available"
+
+	ThumbStatusMetadataKey  = "thumb_status"
+	ThumbSidecarMetadataKey = "thumb_sidecar"
+
+	ChecksumMetadataKey = "webdav_checksum"
+)
+
+func init() {
+	// 注册缓存用到的复杂结构
+	gob.Register(File{})
+}
+
+// Create 创建文件记录
+func (file *File) Create() error {
+	tx := DB.Begin()
+
+	if err := tx.Create(file).Error; err != nil {
+		util.Log().Warning("Failed to insert file record: %s", err)
+		tx.Rollback()
+		return err
+	}
+
+	user := &User{}
+	user.ID = file.UserID
+	if err := user.ChangeStorage(tx, "+", file.Size); err != nil {
+		tx.Rollback()
+		return err
+	}
+
+	return tx.Commit().Error
+}
+
+// AfterFind 找到文件后的钩子
+func (file *File) AfterFind() (err error) {
+	// 反序列化文件元数据
+	if file.Metadata != "" {
+		err = json.Unmarshal([]byte(file.Metadata), &file.MetadataSerialized)
+	} else {
+		file.MetadataSerialized = make(map[string]string)
+	}
+
+	return
+}
+
+// BeforeSave Save策略前的钩子
+func (file *File) BeforeSave() (err error) {
+	if len(file.MetadataSerialized) > 0 {
+		metaValue, err := json.Marshal(&file.MetadataSerialized)
+		file.Metadata = string(metaValue)
+		return err
+	}
+
+	return nil
+}
+
+// GetChildFile 查找目录下名为name的子文件
+func (folder *Folder) GetChildFile(name string) (*File, error) {
+	var file File
+	result := DB.Where("folder_id = ? AND name = ?", folder.ID, name).Find(&file)
+
+	if result.Error == nil {
+		file.Position = path.Join(folder.Position, folder.Name)
+	}
+	return &file, result.Error
+}
+
+// GetChildFiles 查找目录下子文件
+func (folder *Folder) GetChildFiles() ([]File, error) {
+	var files []File
+	result := DB.Where("folder_id = ?", folder.ID).Find(&files)
+
+	if result.Error == nil {
+		for i := 0; i < len(files); i++ {
+			files[i].Position = path.Join(folder.Position, folder.Name)
+		}
+	}
+	return files, result.Error
+}
+
+// GetFilesByIDs 根据文件ID批量获取文件,
+// UID为0表示忽略用户，只根据文件ID检索
+func GetFilesByIDs(ids []uint, uid uint) ([]File, error) {
+	return GetFilesByIDsFromTX(DB, ids, uid)
+}
+
+func GetFilesByIDsFromTX(tx *gorm.DB, ids []uint, uid uint) ([]File, error) {
+	var files []File
+	var result *gorm.DB
+	if uid == 0 {
+		result = tx.Where("id in (?)", ids).Find(&files)
+	} else {
+		result = tx.Where("id in (?) AND user_id = ?", ids, uid).Find(&files)
+	}
+	return files, result.Error
+}
+
+// GetFilesByKeywords 根据关键字搜索文件,
+// UID为0表示忽略用户，只根据文件ID检索. 如果 parents 非空， 则只限制在 parent 包含的目录下搜索
+func GetFilesByKeywords(uid uint, parents []uint, keywords ...interface{}) ([]File, error) {
+	var (
+		files      []File
+		result     = DB
+		conditions string
+	)
+
+	// 生成查询条件
+	for i := 0; i < len(keywords); i++ {
+		conditions += "name like ?"
+		if i != len(keywords)-1 {
+			conditions += " or "
+		}
+	}
+
+	if uid != 0 {
+		result = result.Where("user_id = ?", uid)
+	}
+
+	if len(parents) > 0 {
+		result = result.Where("folder_id in (?)", parents)
+	}
+
+	result = result.Where("("+conditions+")", keywords...).Find(&files)
+
+	return files, result.Error
+}
+
+// GetChildFilesOfFolders 批量检索目录子文件
+func GetChildFilesOfFolders(folders *[]Folder) ([]File, error) {
+	// 将所有待检索目录ID抽离，以便检索文件
+	folderIDs := make([]uint, 0, len(*folders))
+	for _, value := range *folders {
+		folderIDs = append(folderIDs, value.ID)
+	}
+
+	// 检索文件
+	var files []File
+	result := DB.Where("folder_id in (?)", folderIDs).Find(&files)
+	return files, result.Error
+}
+
+// GetUploadPlaceholderFiles 获取所有上传占位文件
+// UID为0表示忽略用户
+func GetUploadPlaceholderFiles(uid uint) []*File {
+	query := DB
+	if uid != 0 {
+		query = query.Where("user_id = ?", uid)
+	}
+
+	var files []*File
+	query.Where("upload_session_id is not NULL").Find(&files)
+	return files
+}
+
+// GetPolicy 获取文件所属策略
+func (file *File) GetPolicy() *Policy {
+	if file.Policy.Model.ID == 0 {
+		file.Policy, _ = GetPolicyByID(file.PolicyID)
+	}
+	return &file.Policy
+}
+
+// RemoveFilesWithSoftLinks 去除给定的文件列表中有软链接的文件
+func RemoveFilesWithSoftLinks(files []File) ([]File, error) {
+	// 结果值
+	filteredFiles := make([]File, 0)
+
+	if len(files) == 0 {
+		return filteredFiles, nil
+	}
+
+	// 查询软链接的文件
+	filesWithSoftLinks := make([]File, 0)
+	for _, file := range files {
+		var softLinkFile File
+		res := DB.
+			Where("source_name = ? and policy_id = ? and id != ?", file.SourceName, file.PolicyID, file.ID).
+			First(&softLinkFile)
+		if res.Error == nil {
+			filesWithSoftLinks = append(filesWithSoftLinks, softLinkFile)
+		}
+	}
+
+	// 过滤具有软连接的文件
+	// TODO: 优化复杂度
+	if len(filesWithSoftLinks) == 0 {
+		filteredFiles = files
+	} else {
+		for i := 0; i < len(files); i++ {
+			finder := false
+			for _, value := range filesWithSoftLinks {
+				if value.PolicyID == files[i].PolicyID && value.SourceName == files[i].SourceName {
+					finder = true
+					break
+				}
+			}
+			if !finder {
+				filteredFiles = append(filteredFiles, files[i])
+			}
+
+		}
+	}
+
+	return filteredFiles, nil
+
+}
+
+// DeleteFiles 批量删除文件记录并归还容量
+func DeleteFiles(files []*File, uid uint) error {
+	tx := DB.Begin()
+	user := &User{}
+	user.ID = uid
+	var size uint64
+	for _, file := range files {
+		if uid > 0 && file.UserID != uid {
+			tx.Rollback()
+			return errors.New("user id not consistent")
+		}
+
+		result := tx.Unscoped().Where("size = ?", file.Size).Delete(file)
+		if result.Error != nil {
+			tx.Rollback()
+			return result.Error
+		}
+
+		if result.RowsAffected == 0 {
+			tx.Rollback()
+			return errors.New("file size is dirty")
+		}
+
+		size += file.Size
+	}
+
+	if uid > 0 {
+		if err := user.ChangeStorage(tx, "-", size); err != nil {
+			tx.Rollback()
+			return err
+		}
+	}
+
+	return tx.Commit().Error
+}
+
+// GetFilesByParentIDs 根据父目录ID查找文件
+func GetFilesByParentIDs(ids []uint, uid uint) ([]File, error) {
+	files := make([]File, 0, len(ids))
+	result := DB.Where("user_id = ? and folder_id in (?)", uid, ids).Find(&files)
+	return files, result.Error
+}
+
+// GetFilesByUploadSession 查找上传会话对应的文件
+func GetFilesByUploadSession(sessionID string, uid uint) (*File, error) {
+	file := File{}
+	result := DB.Where("user_id = ? and upload_session_id = ?", uid, sessionID).Find(&file)
+	return &file, result.Error
+}
+
+// Rename 重命名文件
+func (file *File) Rename(new string) error {
+	if file.MetadataSerialized[ThumbStatusMetadataKey] == ThumbStatusNotAvailable {
+		if !strings.EqualFold(filepath.Ext(new), filepath.Ext(file.Name)) {
+			// Reset thumb status for new ext name.
+			if err := file.resetThumb(); err != nil {
+				return err
+			}
+		}
+	}
+
+	return DB.Model(&file).Set("gorm:association_autoupdate", false).Updates(map[string]interface{}{
+		"name":     new,
+		"metadata": file.Metadata,
+	}).Error
+}
+
+// UpdatePicInfo 更新文件的图像信息
+func (file *File) UpdatePicInfo(value string) error {
+	return DB.Model(&file).Set("gorm:association_autoupdate", false).UpdateColumns(File{PicInfo: value}).Error
+}
+
+// UpdateMetadata 新增或修改文件的元信息
+func (file *File) UpdateMetadata(data map[string]string) error {
+	if file.MetadataSerialized == nil {
+		file.MetadataSerialized = make(map[string]string)
+	}
+
+	for k, v := range data {
+		file.MetadataSerialized[k] = v
+	}
+	metaValue, err := json.Marshal(&file.MetadataSerialized)
+	if err != nil {
+		return err
+	}
+
+	return DB.Model(&file).Set("gorm:association_autoupdate", false).UpdateColumns(File{Metadata: string(metaValue)}).Error
+}
+
+// UpdateSize 更新文件的大小信息
+// TODO: 全局锁
+func (file *File) UpdateSize(value uint64) error {
+	tx := DB.Begin()
+	var sizeDelta uint64
+	operator := "+"
+	user := User{}
+	user.ID = file.UserID
+	if value > file.Size {
+		sizeDelta = value - file.Size
+	} else {
+		operator = "-"
+		sizeDelta = file.Size - value
+	}
+
+	if err := file.resetThumb(); err != nil {
+		tx.Rollback()
+		return err
+	}
+
+	if res := tx.Model(&file).
+		Where("size = ?", file.Size).
+		Set("gorm:association_autoupdate", false).
+		Updates(map[string]interface{}{
+			"size":     value,
+			"metadata": file.Metadata,
+		}); res.Error != nil {
+		tx.Rollback()
+		return res.Error
+	}
+
+	if err := user.ChangeStorage(tx, operator, sizeDelta); err != nil {
+		tx.Rollback()
+		return err
+	}
+
+	file.Size = value
+	return tx.Commit().Error
+}
+
+// UpdateSourceName 更新文件的源文件名
+func (file *File) UpdateSourceName(value string) error {
+	if err := file.resetThumb(); err != nil {
+		return err
+	}
+
+	return DB.Model(&file).Set("gorm:association_autoupdate", false).Updates(map[string]interface{}{
+		"source_name": value,
+		"metadata":    file.Metadata,
+	}).Error
+}
+
+// Relocate 更新文件的物理指向
+func (file *File) Relocate(src string, policyID uint) error {
+	file.Policy = Policy{}
+	return DB.Model(&file).Set("gorm:association_autoupdate", false).Updates(map[string]interface{}{
+		"source_name": src,
+		"policy_id":   policyID,
+	}).Error
+}
+
+func (file *File) PopChunkToFile(lastModified *time.Time, picInfo string) error {
+	file.UploadSessionID = nil
+	if lastModified != nil {
+		file.UpdatedAt = *lastModified
+	}
+
+	return DB.Model(file).UpdateColumns(map[string]interface{}{
+		"upload_session_id": file.UploadSessionID,
+		"updated_at":        file.UpdatedAt,
+		"pic_info":          picInfo,
+	}).Error
+}
+
+// CanCopy 返回文件是否可被复制
+func (file *File) CanCopy() bool {
+	return file.UploadSessionID == nil
+}
+
+// CreateOrGetSourceLink creates a SourceLink model. If the given model exists, the existing
+// model will be returned.
+func (file *File) CreateOrGetSourceLink() (*SourceLink, error) {
+	res := &SourceLink{}
+	err := DB.Set("gorm:auto_preload", true).Where("file_id = ?", file.ID).Find(&res).Error
+	if err == nil && res.ID > 0 {
+		return res, nil
+	}
+
+	res.FileID = file.ID
+	res.Name = file.Name
+	if err := DB.Save(res).Error; err != nil {
+		return nil, fmt.Errorf("failed to insert SourceLink: %w", err)
+	}
+
+	res.File = *file
+	return res, nil
+}
+
+func (file *File) resetThumb() error {
+	if _, ok := file.MetadataSerialized[ThumbStatusMetadataKey]; !ok {
+		return nil
+	}
+
+	delete(file.MetadataSerialized, ThumbStatusMetadataKey)
+	metaValue, err := json.Marshal(&file.MetadataSerialized)
+	file.Metadata = string(metaValue)
+	return err
+}
+
+/*
+	实现 webdav.FileInfo 接口
+*/
+
+func (file *File) GetName() string {
+	return file.Name
+}
+
+func (file *File) GetSize() uint64 {
+	return file.Size
+}
+func (file *File) ModTime() time.Time {
+	return file.UpdatedAt
+}
+
+func (file *File) IsDir() bool {
+	return false
+}
+
+func (file *File) GetPosition() string {
+	return file.Position
+}
+
+// ShouldLoadThumb returns if file explorer should try to load thumbnail for this file.
+// `True` does not guarantee the load request will success in next step, but the client
+// should try to load and fallback to default placeholder in case error returned.
+func (file *File) ShouldLoadThumb() bool {
+	return file.MetadataSerialized[ThumbStatusMetadataKey] != ThumbStatusNotAvailable
+}
+
+// return sidecar thumb file name
+func (file *File) ThumbFile() string {
+	return file.SourceName + GetSettingByNameWithDefault("thumb_file_suffix", "._thumb")
+}
+
+/*
+	实现 filesystem.FileHeader 接口
+*/
+
+// Read 实现 io.Reader
+func (file *File) Read(p []byte) (n int, err error) {
+	return 0, errors.New("noe supported")
+}
+
+// Close 实现io.Closer
+func (file *File) Close() error {
+	return errors.New("noe supported")
+}
+
+// Seeker 实现io.Seeker
+func (file *File) Seek(offset int64, whence int) (int64, error) {
+	return 0, errors.New("noe supported")
+}
+
+func (file *File) Info() *fsctx.UploadTaskInfo {
+	return &fsctx.UploadTaskInfo{
+		Size:            file.Size,
+		FileName:        file.Name,
+		VirtualPath:     file.Position,
+		Mode:            0,
+		Metadata:        file.MetadataSerialized,
+		LastModified:    &file.UpdatedAt,
+		SavePath:        file.SourceName,
+		UploadSessionID: file.UploadSessionID,
+	}
+}
+
+func (file *File) SetSize(size uint64) {
+	file.Size = size
+}
+
+func (file *File) SetModel(newFile interface{}) {
+}
+
+func (file *File) Seekable() bool {
+	return false
+}
--- a/models/folder.go
+++ b/models/folder.go
@@ -0,0 +1,365 @@
+package model
+
+import (
+	"errors"
+	"path"
+	"time"
+
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/jinzhu/gorm"
+)
+
+// Folder 目录
+type Folder struct {
+	// 表字段
+	gorm.Model
+	Name     string `gorm:"unique_index:idx_only_one_name"`
+	ParentID *uint  `gorm:"index:parent_id;unique_index:idx_only_one_name"`
+	OwnerID  uint   `gorm:"index:owner_id"`
+	PolicyID uint   // Webdav下挂载的存储策略ID
+
+	// 数据库忽略字段
+	Position        string `gorm:"-"`
+	WebdavDstName   string `gorm:"-"`
+	InheritPolicyID uint   `gorm:"-"` //  从父目录继承而来的policy id，默认值则使用自身的的PolicyID
+}
+
+// Create 创建目录
+func (folder *Folder) Create() (uint, error) {
+	if err := DB.FirstOrCreate(folder, *folder).Error; err != nil {
+		folder.Model = gorm.Model{}
+		err2 := DB.First(folder, *folder).Error
+		return folder.ID, err2
+	}
+
+	return folder.ID, nil
+}
+
+// GetMountedFolders 列出已挂载存储策略的目录
+func GetMountedFolders(uid uint) []Folder {
+	var folders []Folder
+	DB.Where("owner_id = ? and policy_id <> ?", uid, 0).Find(&folders)
+	return folders
+}
+
+// GetChild 返回folder下名为name的子目录，不存在则返回错误
+func (folder *Folder) GetChild(name string) (*Folder, error) {
+	var resFolder Folder
+	err := DB.
+		Where("parent_id = ? AND owner_id = ? AND name = ?", folder.ID, folder.OwnerID, name).
+		First(&resFolder).Error
+
+	// 将子目录的路径及存储策略传递下去
+	if err == nil {
+		resFolder.Position = path.Join(folder.Position, folder.Name)
+		if folder.PolicyID > 0 {
+			resFolder.InheritPolicyID = folder.PolicyID
+		} else if folder.InheritPolicyID > 0 {
+			resFolder.InheritPolicyID = folder.InheritPolicyID
+		}
+	}
+	return &resFolder, err
+}
+
+// TraceRoot 向上递归查找父目录
+func (folder *Folder) TraceRoot() error {
+	if folder.ParentID == nil {
+		return nil
+	}
+
+	var parentFolder Folder
+	err := DB.
+		Where("id = ? AND owner_id = ?", folder.ParentID, folder.OwnerID).
+		First(&parentFolder).Error
+
+	if err == nil {
+		err := parentFolder.TraceRoot()
+		folder.Position = path.Join(parentFolder.Position, parentFolder.Name)
+		return err
+	}
+
+	return err
+}
+
+// GetChildFolder 查找子目录
+func (folder *Folder) GetChildFolder() ([]Folder, error) {
+	var folders []Folder
+	result := DB.Where("parent_id = ?", folder.ID).Find(&folders)
+
+	if result.Error == nil {
+		for i := 0; i < len(folders); i++ {
+			folders[i].Position = path.Join(folder.Position, folder.Name)
+		}
+	}
+	return folders, result.Error
+}
+
+// GetRecursiveChildFolder 查找所有递归子目录，包括自身
+func GetRecursiveChildFolder(dirs []uint, uid uint, includeSelf bool) ([]Folder, error) {
+	folders := make([]Folder, 0, len(dirs))
+	var err error
+
+	var parFolders []Folder
+	result := DB.Where("owner_id = ? and id in (?)", uid, dirs).Find(&parFolders)
+	if result.Error != nil {
+		return folders, err
+	}
+
+	// 整理父目录的ID
+	var parentIDs = make([]uint, 0, len(parFolders))
+	for _, folder := range parFolders {
+		parentIDs = append(parentIDs, folder.ID)
+	}
+
+	if includeSelf {
+		// 合并至最终结果
+		folders = append(folders, parFolders...)
+	}
+	parFolders = []Folder{}
+
+	// 递归查询子目录,最大递归65535次
+	for i := 0; i < 65535; i++ {
+
+		result = DB.Where("owner_id = ? and parent_id in (?)", uid, parentIDs).Find(&parFolders)
+
+		// 查询结束条件
+		if len(parFolders) == 0 {
+			break
+		}
+
+		// 整理父目录的ID
+		parentIDs = make([]uint, 0, len(parFolders))
+		for _, folder := range parFolders {
+			parentIDs = append(parentIDs, folder.ID)
+		}
+
+		// 合并至最终结果
+		folders = append(folders, parFolders...)
+		parFolders = []Folder{}
+
+	}
+
+	return folders, err
+}
+
+// DeleteFolderByIDs 根据给定ID批量删除目录记录
+func DeleteFolderByIDs(ids []uint) error {
+	result := DB.Where("id in (?)", ids).Unscoped().Delete(&Folder{})
+	return result.Error
+}
+
+// GetFoldersByIDs 根据ID和用户查找所有目录
+func GetFoldersByIDs(ids []uint, uid uint) ([]Folder, error) {
+	var folders []Folder
+	result := DB.Where("id in (?) AND owner_id = ?", ids, uid).Find(&folders)
+	return folders, result.Error
+}
+
+// MoveOrCopyFileTo 将此目录下的files移动或复制至dstFolder，
+// 返回此操作新增的容量
+func (folder *Folder) MoveOrCopyFileTo(files []uint, dstFolder *Folder, isCopy bool) (uint64, error) {
+	// 已复制文件的总大小
+	var copiedSize uint64
+
+	if isCopy {
+		// 检索出要复制的文件
+		var originFiles = make([]File, 0, len(files))
+		if err := DB.Where(
+			"id in (?) and user_id = ? and folder_id = ?",
+			files,
+			folder.OwnerID,
+			folder.ID,
+		).Find(&originFiles).Error; err != nil {
+			return 0, err
+		}
+
+		// 复制文件记录
+		for _, oldFile := range originFiles {
+			if !oldFile.CanCopy() {
+				util.Log().Warning("Cannot copy file %q because it's being uploaded now, skipping...", oldFile.Name)
+				continue
+			}
+
+			oldFile.Model = gorm.Model{}
+			oldFile.FolderID = dstFolder.ID
+			oldFile.UserID = dstFolder.OwnerID
+
+			// webdav目标名重置
+			if dstFolder.WebdavDstName != "" {
+				oldFile.Name = dstFolder.WebdavDstName
+			}
+
+			if err := DB.Create(&oldFile).Error; err != nil {
+				return copiedSize, err
+			}
+
+			copiedSize += oldFile.Size
+		}
+
+	} else {
+		var updates = map[string]interface{}{
+			"folder_id": dstFolder.ID,
+		}
+		// webdav目标名重置
+		if dstFolder.WebdavDstName != "" {
+			updates["name"] = dstFolder.WebdavDstName
+		}
+
+		// 更改顶级要移动文件的父目录指向
+		err := DB.Model(File{}).Where(
+			"id in (?) and user_id = ? and folder_id = ?",
+			files,
+			folder.OwnerID,
+			folder.ID,
+		).
+			Update(updates).
+			Error
+		if err != nil {
+			return 0, err
+		}
+
+	}
+
+	return copiedSize, nil
+
+}
+
+// CopyFolderTo 将此目录及其子目录及文件递归复制至dstFolder
+// 返回此操作新增的容量
+func (folder *Folder) CopyFolderTo(folderID uint, dstFolder *Folder) (size uint64, err error) {
+	// 列出所有子目录
+	subFolders, err := GetRecursiveChildFolder([]uint{folderID}, folder.OwnerID, true)
+	if err != nil {
+		return 0, err
+	}
+
+	// 抽离所有子目录的ID
+	var subFolderIDs = make([]uint, len(subFolders))
+	for key, value := range subFolders {
+		subFolderIDs[key] = value.ID
+	}
+
+	// 复制子目录
+	var newIDCache = make(map[uint]uint)
+	for _, folder := range subFolders {
+		// 新的父目录指向
+		var newID uint
+		// 顶级目录直接指向新的目的目录
+		if folder.ID == folderID {
+			newID = dstFolder.ID
+			// webdav目标名重置
+			if dstFolder.WebdavDstName != "" {
+				folder.Name = dstFolder.WebdavDstName
+			}
+		} else if IDCache, ok := newIDCache[*folder.ParentID]; ok {
+			newID = IDCache
+		} else {
+			util.Log().Warning("Failed to get parent folder %q", *folder.ParentID)
+			return size, errors.New("Failed to get parent folder")
+		}
+
+		// 插入新的目录记录
+		oldID := folder.ID
+		folder.Model = gorm.Model{}
+		folder.ParentID = &newID
+		folder.OwnerID = dstFolder.OwnerID
+		if err = DB.Create(&folder).Error; err != nil {
+			return size, err
+		}
+		// 记录新的ID以便其子目录使用
+		newIDCache[oldID] = folder.ID
+
+	}
+
+	// 复制文件
+	var originFiles = make([]File, 0, len(subFolderIDs))
+	if err := DB.Where(
+		"user_id = ? and folder_id in (?)",
+		folder.OwnerID,
+		subFolderIDs,
+	).Find(&originFiles).Error; err != nil {
+		return 0, err
+	}
+
+	// 复制文件记录
+	for _, oldFile := range originFiles {
+		if !oldFile.CanCopy() {
+			util.Log().Warning("Cannot copy file %q because it's being uploaded now, skipping...", oldFile.Name)
+			continue
+		}
+
+		oldFile.Model = gorm.Model{}
+		oldFile.FolderID = newIDCache[oldFile.FolderID]
+		oldFile.UserID = dstFolder.OwnerID
+		if err := DB.Create(&oldFile).Error; err != nil {
+			return size, err
+		}
+
+		size += oldFile.Size
+	}
+
+	return size, nil
+
+}
+
+// MoveFolderTo 将folder目录下的dirs子目录复制或移动到dstFolder，
+// 返回此过程中增加的容量
+func (folder *Folder) MoveFolderTo(dirs []uint, dstFolder *Folder) error {
+
+	// 如果目标位置为待移动的目录，会导致 parent 为自己
+	// 造成死循环且无法被除搜索以外的组件展示
+	if folder.OwnerID == dstFolder.OwnerID && util.ContainsUint(dirs, dstFolder.ID) {
+		return errors.New("cannot move a folder into itself")
+	}
+
+	var updates = map[string]interface{}{
+		"parent_id": dstFolder.ID,
+	}
+	// webdav目标名重置
+	if dstFolder.WebdavDstName != "" {
+		updates["name"] = dstFolder.WebdavDstName
+	}
+
+	// 更改顶级要移动目录的父目录指向
+	err := DB.Model(Folder{}).Where(
+		"id in (?) and owner_id = ? and parent_id = ?",
+		dirs,
+		folder.OwnerID,
+		folder.ID,
+	).Update(updates).Error
+
+	return err
+
+}
+
+// Rename 重命名目录
+func (folder *Folder) Rename(new string) error {
+	return DB.Model(&folder).UpdateColumn("name", new).Error
+}
+
+// Mount 目录挂载
+func (folder *Folder) Mount(new uint) error {
+	return DB.Model(&folder).Update("policy_id", new).Error
+}
+
+/*
+	实现 FileInfo.FileInfo 接口
+	TODO 测试
+*/
+
+func (folder *Folder) GetName() string {
+	return folder.Name
+}
+
+func (folder *Folder) GetSize() uint64 {
+	return 0
+}
+func (folder *Folder) ModTime() time.Time {
+	return folder.UpdatedAt
+}
+func (folder *Folder) IsDir() bool {
+	return true
+}
+func (folder *Folder) GetPosition() string {
+	return folder.Position
+}
--- a/models/group.go
+++ b/models/group.go
@@ -0,0 +1,89 @@
+package model
+
+import (
+	"encoding/json"
+
+	"github.com/jinzhu/gorm"
+)
+
+// Group 用户组模型
+type Group struct {
+	gorm.Model
+	Name          string
+	Policies      string
+	MaxStorage    uint64
+	ShareEnabled  bool
+	WebDAVEnabled bool
+	SpeedLimit    int
+	Options       string `json:"-" gorm:"size:4294967295"`
+
+	// 数据库忽略字段
+	PolicyList        []uint      `gorm:"-"`
+	OptionsSerialized GroupOption `gorm:"-"`
+}
+
+// GroupOption 用户组其他配置
+type GroupOption struct {
+	ArchiveDownload  bool                   `json:"archive_download,omitempty"` // 打包下载
+	ArchiveTask      bool                   `json:"archive_task,omitempty"`     // 在线压缩
+	CompressSize     uint64                 `json:"compress_size,omitempty"`    // 可压缩大小
+	DecompressSize   uint64                 `json:"decompress_size,omitempty"`
+	OneTimeDownload  bool                   `json:"one_time_download,omitempty"`
+	ShareDownload    bool                   `json:"share_download,omitempty"`
+	ShareFree        bool                   `json:"share_free,omitempty"`
+	Aria2            bool                   `json:"aria2,omitempty"`         // 离线下载
+	Aria2Options     map[string]interface{} `json:"aria2_options,omitempty"` // 离线下载用户组配置
+	Relocate         bool                   `json:"relocate,omitempty"`      // 转移文件
+	SourceBatchSize  int                    `json:"source_batch,omitempty"`
+	RedirectedSource bool                   `json:"redirected_source,omitempty"`
+	Aria2BatchSize   int                    `json:"aria2_batch,omitempty"`
+	AvailableNodes   []uint                 `json:"available_nodes,omitempty"`
+	SelectNode       bool                   `json:"select_node,omitempty"`
+	AdvanceDelete    bool                   `json:"advance_delete,omitempty"`
+	WebDAVProxy      bool                   `json:"webdav_proxy,omitempty"`
+}
+
+// GetGroupByID 用ID获取用户组
+func GetGroupByID(ID interface{}) (Group, error) {
+	var group Group
+	result := DB.First(&group, ID)
+	return group, result.Error
+}
+
+// AfterFind 找到用户组后的钩子，处理Policy列表
+func (group *Group) AfterFind() (err error) {
+	// 解析用户组策略列表
+	if group.Policies != "" {
+		err = json.Unmarshal([]byte(group.Policies), &group.PolicyList)
+	}
+	if err != nil {
+		return err
+	}
+
+	// 解析用户组设置
+	if group.Options != "" {
+		err = json.Unmarshal([]byte(group.Options), &group.OptionsSerialized)
+	}
+
+	return err
+}
+
+// BeforeSave Save用户前的钩子
+func (group *Group) BeforeSave() (err error) {
+	err = group.SerializePolicyList()
+	return err
+}
+
+// SerializePolicyList 将序列后的可选策略列表、配置写入数据库字段
+// TODO 完善测试
+func (group *Group) SerializePolicyList() (err error) {
+	policies, err := json.Marshal(&group.PolicyList)
+	group.Policies = string(policies)
+	if err != nil {
+		return err
+	}
+
+	optionsValue, err := json.Marshal(&group.OptionsSerialized)
+	group.Options = string(optionsValue)
+	return err
+}
--- a/models/init.go
+++ b/models/init.go
@@ -0,0 +1,106 @@
+package model
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/cloudreve/Cloudreve/v3/pkg/conf"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/gin-gonic/gin"
+	"github.com/jinzhu/gorm"
+
+	_ "github.com/cloudreve/Cloudreve/v3/models/dialects"
+	_ "github.com/glebarez/go-sqlite"
+	_ "github.com/jinzhu/gorm/dialects/mssql"
+	_ "github.com/jinzhu/gorm/dialects/mysql"
+	_ "github.com/jinzhu/gorm/dialects/postgres"
+)
+
+// DB 数据库链接单例
+var DB *gorm.DB
+
+// Init 初始化 MySQL 链接
+func Init() {
+	util.Log().Info("Initializing database connection...")
+
+	var (
+		db         *gorm.DB
+		err        error
+		confDBType string = conf.DatabaseConfig.Type
+	)
+
+	// 兼容已有配置中的 "sqlite3" 配置项
+	if confDBType == "sqlite3" {
+		confDBType = "sqlite"
+	}
+
+	if gin.Mode() == gin.TestMode {
+		// 测试模式下，使用内存数据库
+		db, err = gorm.Open("sqlite", ":memory:")
+	} else {
+		switch confDBType {
+		case "UNSET", "sqlite":
+			// 未指定数据库或者明确指定为 sqlite 时，使用 SQLite 数据库
+			db, err = gorm.Open("sqlite", util.RelativePath(conf.DatabaseConfig.DBFile))
+		case "postgres":
+			db, err = gorm.Open(confDBType, fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=disable",
+				conf.DatabaseConfig.Host,
+				conf.DatabaseConfig.User,
+				conf.DatabaseConfig.Password,
+				conf.DatabaseConfig.Name,
+				conf.DatabaseConfig.Port))
+		case "mysql", "mssql":
+			var host string
+			if conf.DatabaseConfig.UnixSocket {
+				host = fmt.Sprintf("unix(%s)",
+					conf.DatabaseConfig.Host)
+			} else {
+				host = fmt.Sprintf("(%s:%d)",
+					conf.DatabaseConfig.Host,
+					conf.DatabaseConfig.Port)
+			}
+
+			db, err = gorm.Open(confDBType, fmt.Sprintf("%s:%s@%s/%s?charset=%s&parseTime=True&loc=Local",
+				conf.DatabaseConfig.User,
+				conf.DatabaseConfig.Password,
+				host,
+				conf.DatabaseConfig.Name,
+				conf.DatabaseConfig.Charset))
+		default:
+			util.Log().Panic("Unsupported database type %q.", confDBType)
+		}
+	}
+
+	//db.SetLogger(util.Log())
+	if err != nil {
+		util.Log().Panic("Failed to connect to database: %s", err)
+	}
+
+	// 处理表前缀
+	gorm.DefaultTableNameHandler = func(db *gorm.DB, defaultTableName string) string {
+		return conf.DatabaseConfig.TablePrefix + defaultTableName
+	}
+
+	// Debug模式下，输出所有 SQL 日志
+	if conf.SystemConfig.Debug {
+		db.LogMode(true)
+	} else {
+		db.LogMode(false)
+	}
+
+	//设置连接池
+	db.DB().SetMaxIdleConns(50)
+	if confDBType == "sqlite" || confDBType == "UNSET" {
+		db.DB().SetMaxOpenConns(1)
+	} else {
+		db.DB().SetMaxOpenConns(100)
+	}
+
+	//超时
+	db.DB().SetConnMaxLifetime(time.Second * 30)
+
+	DB = db
+
+	//执行迁移
+	migration()
+}
--- a/models/migration.go
+++ b/models/migration.go
@@ -0,0 +1,221 @@
+package model
+
+import (
+	"context"
+	"github.com/cloudreve/Cloudreve/v3/models/scripts/invoker"
+	"github.com/cloudreve/Cloudreve/v3/pkg/cache"
+	"github.com/cloudreve/Cloudreve/v3/pkg/conf"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/fatih/color"
+	"github.com/hashicorp/go-version"
+	"github.com/jinzhu/gorm"
+	"sort"
+	"strings"
+)
+
+// 是否需要迁移
+func needMigration() bool {
+	var setting Setting
+	return DB.Where("name = ?", "db_version_"+conf.RequiredDBVersion).First(&setting).Error != nil
+}
+
+// 执行数据迁移
+func migration() {
+	// 确认是否需要执行迁移
+	if !needMigration() {
+		util.Log().Info("Database version fulfilled, skip schema migration.")
+		return
+
+	}
+
+	util.Log().Info("Start initializing database schema...")
+
+	// 清除所有缓存
+	if instance, ok := cache.Store.(*cache.RedisStore); ok {
+		instance.DeleteAll()
+	}
+
+	// 自动迁移模式
+	if conf.DatabaseConfig.Type == "mysql" {
+		DB = DB.Set("gorm:table_options", "ENGINE=InnoDB")
+	}
+
+	DB.AutoMigrate(&User{}, &Setting{}, &Group{}, &Policy{}, &Folder{}, &File{}, &StoragePack{}, &Share{},
+		&Task{}, &Download{}, &Tag{}, &Webdav{}, &Order{}, &Redeem{}, &Report{}, &Node{}, &SourceLink{})
+
+	// 创建初始存储策略
+	addDefaultPolicy()
+
+	// 创建初始用户组
+	addDefaultGroups()
+
+	// 创建初始管理员账户
+	addDefaultUser()
+
+	// 创建初始节点
+	addDefaultNode()
+
+	// 向设置数据表添加初始设置
+	addDefaultSettings()
+
+	// 执行数据库升级脚本
+	execUpgradeScripts()
+
+	util.Log().Info("Finish initializing database schema.")
+
+}
+
+func addDefaultPolicy() {
+	_, err := GetPolicyByID(uint(1))
+	// 未找到初始存储策略时，则创建
+	if gorm.IsRecordNotFoundError(err) {
+		defaultPolicy := Policy{
+			Name:               "Default storage policy",
+			Type:               "local",
+			MaxSize:            0,
+			AutoRename:         true,
+			DirNameRule:        "uploads/{uid}/{path}",
+			FileNameRule:       "{uid}_{randomkey8}_{originname}",
+			IsOriginLinkEnable: false,
+			OptionsSerialized: PolicyOption{
+				ChunkSize: 25 << 20, // 25MB
+			},
+		}
+		if err := DB.Create(&defaultPolicy).Error; err != nil {
+			util.Log().Panic("Failed to create default storage policy: %s", err)
+		}
+	}
+}
+
+func addDefaultSettings() {
+	for _, value := range defaultSettings {
+		DB.Where(Setting{Name: value.Name}).Create(&value)
+	}
+}
+
+func addDefaultGroups() {
+	_, err := GetGroupByID(1)
+	// 未找到初始管理组时，则创建
+	if gorm.IsRecordNotFoundError(err) {
+		defaultAdminGroup := Group{
+			Name:          "Admin",
+			PolicyList:    []uint{1},
+			MaxStorage:    1 * 1024 * 1024 * 1024,
+			ShareEnabled:  true,
+			WebDAVEnabled: true,
+			OptionsSerialized: GroupOption{
+				ArchiveDownload:  true,
+				ArchiveTask:      true,
+				ShareDownload:    true,
+				ShareFree:        true,
+				Aria2:            true,
+				Relocate:         true,
+				SourceBatchSize:  1000,
+				Aria2BatchSize:   50,
+				RedirectedSource: true,
+				SelectNode:       true,
+				AdvanceDelete:    true,
+			},
+		}
+		if err := DB.Create(&defaultAdminGroup).Error; err != nil {
+			util.Log().Panic("Failed to create admin user group: %s", err)
+		}
+	}
+
+	err = nil
+	_, err = GetGroupByID(2)
+	// 未找到初始注册会员时，则创建
+	if gorm.IsRecordNotFoundError(err) {
+		defaultAdminGroup := Group{
+			Name:          "User",
+			PolicyList:    []uint{1},
+			MaxStorage:    1 * 1024 * 1024 * 1024,
+			ShareEnabled:  true,
+			WebDAVEnabled: true,
+			OptionsSerialized: GroupOption{
+				ShareDownload:    true,
+				SourceBatchSize:  10,
+				Aria2BatchSize:   1,
+				RedirectedSource: true,
+			},
+		}
+		if err := DB.Create(&defaultAdminGroup).Error; err != nil {
+			util.Log().Panic("Failed to create initial user group: %s", err)
+		}
+	}
+
+	err = nil
+	_, err = GetGroupByID(3)
+	// 未找到初始游客用户组时，则创建
+	if gorm.IsRecordNotFoundError(err) {
+		defaultAdminGroup := Group{
+			Name:       "Anonymous",
+			PolicyList: []uint{},
+			Policies:   "[]",
+			OptionsSerialized: GroupOption{
+				ShareDownload: true,
+			},
+		}
+		if err := DB.Create(&defaultAdminGroup).Error; err != nil {
+			util.Log().Panic("Failed to create anonymous user group: %s", err)
+		}
+	}
+}
+
+func addDefaultUser() {
+	_, err := GetUserByID(1)
+	password := util.RandStringRunes(8)
+
+	// 未找到初始用户时，则创建
+	if gorm.IsRecordNotFoundError(err) {
+		defaultUser := NewUser()
+		defaultUser.Email = "admin@cloudreve.org"
+		defaultUser.Nick = "admin"
+		defaultUser.Status = Active
+		defaultUser.GroupID = 1
+		err := defaultUser.SetPassword(password)
+		if err != nil {
+			util.Log().Panic("Failed to create password: %s", err)
+		}
+		if err := DB.Create(&defaultUser).Error; err != nil {
+			util.Log().Panic("Failed to create initial root user: %s", err)
+		}
+
+		c := color.New(color.FgWhite).Add(color.BgBlack).Add(color.Bold)
+		util.Log().Info("Admin user name: " + c.Sprint("admin@cloudreve.org"))
+		util.Log().Info("Admin password: " + c.Sprint(password))
+	}
+}
+
+func addDefaultNode() {
+	_, err := GetNodeByID(1)
+
+	if gorm.IsRecordNotFoundError(err) {
+		defaultAdminGroup := Node{
+			Name:   "Master (Local machine)",
+			Status: NodeActive,
+			Type:   MasterNodeType,
+			Aria2OptionsSerialized: Aria2Option{
+				Interval: 10,
+				Timeout:  10,
+			},
+		}
+		if err := DB.Create(&defaultAdminGroup).Error; err != nil {
+			util.Log().Panic("Failed to create initial node: %s", err)
+		}
+	}
+}
+
+func execUpgradeScripts() {
+	s := invoker.ListPrefix("UpgradeTo")
+	versions := make([]*version.Version, len(s))
+	for i, raw := range s {
+		v, _ := version.NewVersion(strings.TrimPrefix(raw, "UpgradeTo"))
+		versions[i] = v
+	}
+	sort.Sort(version.Collection(versions))
+
+	for i := 0; i < len(versions); i++ {
+		invoker.RunDBScript("UpgradeTo"+versions[i].String(), context.Background())
+	}
+}
--- a/models/node.go
+++ b/models/node.go
@@ -0,0 +1,91 @@
+package model
+
+import (
+	"encoding/json"
+	"github.com/jinzhu/gorm"
+)
+
+// Node 从机节点信息模型
+type Node struct {
+	gorm.Model
+	Status       NodeStatus // 节点状态
+	Name         string     // 节点别名
+	Type         ModelType  // 节点状态
+	Server       string     // 服务器地址
+	SlaveKey     string     `gorm:"type:text"` // 主->从 通信密钥
+	MasterKey    string     `gorm:"type:text"` // 从->主 通信密钥
+	Aria2Enabled bool       // 是否支持用作离线下载节点
+	Aria2Options string     `gorm:"type:text"` // 离线下载配置
+	Rank         int        // 负载均衡权重
+
+	// 数据库忽略字段
+	Aria2OptionsSerialized Aria2Option `gorm:"-"`
+}
+
+// Aria2Option 非公有的Aria2配置属性
+type Aria2Option struct {
+	// RPC 服务器地址
+	Server string `json:"server,omitempty"`
+	// RPC 密钥
+	Token string `json:"token,omitempty"`
+	// 临时下载目录
+	TempPath string `json:"temp_path,omitempty"`
+	// 附加下载配置
+	Options string `json:"options,omitempty"`
+	// 下载监控间隔
+	Interval int `json:"interval,omitempty"`
+	// RPC API 请求超时
+	Timeout int `json:"timeout,omitempty"`
+}
+
+type NodeStatus int
+type ModelType int
+
+const (
+	NodeActive NodeStatus = iota
+	NodeSuspend
+)
+
+const (
+	SlaveNodeType ModelType = iota
+	MasterNodeType
+)
+
+// GetNodeByID 用ID获取节点
+func GetNodeByID(ID interface{}) (Node, error) {
+	var node Node
+	result := DB.First(&node, ID)
+	return node, result.Error
+}
+
+// GetNodesByStatus 根据给定状态获取节点
+func GetNodesByStatus(status ...NodeStatus) ([]Node, error) {
+	var nodes []Node
+	result := DB.Where("status in (?)", status).Find(&nodes)
+	return nodes, result.Error
+}
+
+// AfterFind 找到节点后的钩子
+func (node *Node) AfterFind() (err error) {
+	// 解析离线下载设置到 Aria2OptionsSerialized
+	if node.Aria2Options != "" {
+		err = json.Unmarshal([]byte(node.Aria2Options), &node.Aria2OptionsSerialized)
+	}
+
+	return err
+}
+
+// BeforeSave Save策略前的钩子
+func (node *Node) BeforeSave() (err error) {
+	optionsValue, err := json.Marshal(&node.Aria2OptionsSerialized)
+	node.Aria2Options = string(optionsValue)
+	return err
+}
+
+// SetStatus 设置节点启用状态
+func (node *Node) SetStatus(status NodeStatus) error {
+	node.Status = status
+	return DB.Model(node).Updates(map[string]interface{}{
+		"status": status,
+	}).Error
+}
--- a/models/order.go
+++ b/models/order.go
@@ -0,0 +1,59 @@
+package model
+
+import (
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/jinzhu/gorm"
+)
+
+const (
+	// PackOrderType 容量包订单
+	PackOrderType = iota
+	// GroupOrderType 用户组订单
+	GroupOrderType
+	// ScoreOrderType 积分充值订单
+	ScoreOrderType
+)
+
+const (
+	// OrderUnpaid 未支付
+	OrderUnpaid = iota
+	// OrderPaid 已支付
+	OrderPaid
+	// OrderCanceled 已取消
+	OrderCanceled
+)
+
+// Order 交易订单
+type Order struct {
+	gorm.Model
+	UserID    uint   // 创建者ID
+	OrderNo   string `gorm:"index:order_number"` // 商户自定义订单编号
+	Type      int    // 订单类型
+	Method    string // 支付类型
+	ProductID int64  // 商品ID
+	Num       int    // 商品数量
+	Name      string // 订单标题
+	Price     int    // 商品单价
+	Status    int    // 订单状态
+}
+
+// Create 创建订单记录
+func (order *Order) Create() (uint, error) {
+	if err := DB.Create(order).Error; err != nil {
+		util.Log().Warning("Failed to insert order record: %s", err)
+		return 0, err
+	}
+	return order.ID, nil
+}
+
+// UpdateStatus 更新订单状态
+func (order *Order) UpdateStatus(status int) {
+	DB.Model(order).Update("status", status)
+}
+
+// GetOrderByNo 根据商户订单号查询订单
+func GetOrderByNo(id string) (*Order, error) {
+	var order Order
+	err := DB.Where("order_no = ?", id).First(&order).Error
+	return &order, err
+}
--- a/models/policy.go
+++ b/models/policy.go
@@ -0,0 +1,267 @@
+package model
+
+import (
+	"encoding/gob"
+	"encoding/json"
+	"path"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/gofrs/uuid"
+	"github.com/samber/lo"
+
+	"github.com/cloudreve/Cloudreve/v3/pkg/cache"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/jinzhu/gorm"
+)
+
+// Policy 存储策略
+type Policy struct {
+	// 表字段
+	gorm.Model
+	Name               string
+	Type               string
+	Server             string
+	BucketName         string
+	IsPrivate          bool
+	BaseURL            string
+	AccessKey          string `gorm:"type:text"`
+	SecretKey          string `gorm:"type:text"`
+	MaxSize            uint64
+	AutoRename         bool
+	DirNameRule        string
+	FileNameRule       string
+	IsOriginLinkEnable bool
+	Options            string `gorm:"type:text"`
+
+	// 数据库忽略字段
+	OptionsSerialized PolicyOption `gorm:"-"`
+	MasterID          string       `gorm:"-"`
+}
+
+// PolicyOption 非公有的存储策略属性
+type PolicyOption struct {
+	// Upyun访问Token
+	Token string `json:"token"`
+	// 允许的文件扩展名
+	FileType []string `json:"file_type"`
+	// MimeType
+	MimeType string `json:"mimetype"`
+	// OauthRedirect Oauth 重定向地址
+	OauthRedirect string `json:"od_redirect,omitempty"`
+	// OdProxy Onedrive 反代地址
+	OdProxy string `json:"od_proxy,omitempty"`
+	// OdDriver OneDrive 驱动器定位符
+	OdDriver string `json:"od_driver,omitempty"`
+	// Region 区域代码
+	Region string `json:"region,omitempty"`
+	// ServerSideEndpoint 服务端请求使用的 Endpoint，为空时使用 Policy.Server 字段
+	ServerSideEndpoint string `json:"server_side_endpoint,omitempty"`
+	// 分片上传的分片大小
+	ChunkSize uint64 `json:"chunk_size,omitempty"`
+	// 分片上传时是否需要预留空间
+	PlaceholderWithSize bool `json:"placeholder_with_size,omitempty"`
+	// 每秒对存储端的 API 请求上限
+	TPSLimit float64 `json:"tps_limit,omitempty"`
+	// 每秒 API 请求爆发上限
+	TPSLimitBurst int `json:"tps_limit_burst,omitempty"`
+	// Set this to `true` to force the request to use path-style addressing,
+	// i.e., `http://s3.amazonaws.com/BUCKET/KEY `
+	S3ForcePathStyle bool `json:"s3_path_style"`
+	// File extensions that support thumbnail generation using native policy API.
+	ThumbExts []string `json:"thumb_exts,omitempty"`
+}
+
+// thumbSuffix 支持缩略图处理的文件扩展名
+var thumbSuffix = map[string][]string{
+	"local":    {},
+	"qiniu":    {".psd", ".jpg", ".jpeg", ".png", ".gif", ".webp", ".tiff", ".bmp"},
+	"oss":      {".jpg", ".jpeg", ".png", ".gif", ".webp", ".tiff", ".bmp"},
+	"cos":      {".jpg", ".jpeg", ".png", ".gif", ".webp", ".tiff", ".bmp"},
+	"upyun":    {".svg", ".jpg", ".jpeg", ".png", ".gif", ".webp", ".tiff", ".bmp"},
+	"s3":       {},
+	"remote":   {},
+	"onedrive": {"*"},
+}
+
+func init() {
+	// 注册缓存用到的复杂结构
+	gob.Register(Policy{})
+}
+
+// GetPolicyByID 用ID获取存储策略
+func GetPolicyByID(ID interface{}) (Policy, error) {
+	// 尝试读取缓存
+	cacheKey := "policy_" + strconv.Itoa(int(ID.(uint)))
+	if policy, ok := cache.Get(cacheKey); ok {
+		return policy.(Policy), nil
+	}
+
+	var policy Policy
+	result := DB.First(&policy, ID)
+
+	// 写入缓存
+	if result.Error == nil {
+		_ = cache.Set(cacheKey, policy, -1)
+	}
+
+	return policy, result.Error
+}
+
+// AfterFind 找到存储策略后的钩子
+func (policy *Policy) AfterFind() (err error) {
+	// 解析存储策略设置到OptionsSerialized
+	if policy.Options != "" {
+		err = json.Unmarshal([]byte(policy.Options), &policy.OptionsSerialized)
+	}
+	if policy.OptionsSerialized.FileType == nil {
+		policy.OptionsSerialized.FileType = []string{}
+	}
+
+	return err
+}
+
+// BeforeSave Save策略前的钩子
+func (policy *Policy) BeforeSave() (err error) {
+	err = policy.SerializeOptions()
+	return err
+}
+
+// SerializeOptions 将序列后的Option写入到数据库字段
+func (policy *Policy) SerializeOptions() (err error) {
+	optionsValue, err := json.Marshal(&policy.OptionsSerialized)
+	policy.Options = string(optionsValue)
+	return err
+}
+
+// GeneratePath 生成存储文件的路径
+func (policy *Policy) GeneratePath(uid uint, origin string) string {
+	dirRule := policy.DirNameRule
+	replaceTable := map[string]string{
+		"{randomkey16}":    util.RandStringRunes(16),
+		"{randomkey8}":     util.RandStringRunes(8),
+		"{timestamp}":      strconv.FormatInt(time.Now().Unix(), 10),
+		"{timestamp_nano}": strconv.FormatInt(time.Now().UnixNano(), 10),
+		"{uid}":            strconv.Itoa(int(uid)),
+		"{datetime}":       time.Now().Format("20060102150405"),
+		"{date}":           time.Now().Format("20060102"),
+		"{year}":           time.Now().Format("2006"),
+		"{month}":          time.Now().Format("01"),
+		"{day}":            time.Now().Format("02"),
+		"{hour}":           time.Now().Format("15"),
+		"{minute}":         time.Now().Format("04"),
+		"{second}":         time.Now().Format("05"),
+		"{path}":           origin + "/",
+	}
+	dirRule = util.Replace(replaceTable, dirRule)
+	return path.Clean(dirRule)
+}
+
+// GenerateFileName 生成存储文件名
+func (policy *Policy) GenerateFileName(uid uint, origin string) string {
+	// 未开启自动重命名时，直接返回原始文件名
+	if !policy.AutoRename {
+		return origin
+	}
+
+	fileRule := policy.FileNameRule
+
+	replaceTable := map[string]string{
+		"{randomkey16}":            util.RandStringRunes(16),
+		"{randomkey8}":             util.RandStringRunes(8),
+		"{timestamp}":              strconv.FormatInt(time.Now().Unix(), 10),
+		"{timestamp_nano}":         strconv.FormatInt(time.Now().UnixNano(), 10),
+		"{uid}":                    strconv.Itoa(int(uid)),
+		"{datetime}":               time.Now().Format("20060102150405"),
+		"{date}":                   time.Now().Format("20060102"),
+		"{year}":                   time.Now().Format("2006"),
+		"{month}":                  time.Now().Format("01"),
+		"{day}":                    time.Now().Format("02"),
+		"{hour}":                   time.Now().Format("15"),
+		"{minute}":                 time.Now().Format("04"),
+		"{second}":                 time.Now().Format("05"),
+		"{originname}":             origin,
+		"{ext}":                    filepath.Ext(origin),
+		"{originname_without_ext}": strings.TrimSuffix(origin, filepath.Ext(origin)),
+		"{uuid}":                   uuid.Must(uuid.NewV4()).String(),
+	}
+
+	fileRule = util.Replace(replaceTable, fileRule)
+	return fileRule
+}
+
+// IsThumbExist 给定文件名，返回此存储策略下是否可能存在缩略图
+func (policy *Policy) IsThumbExist(name string) bool {
+	if list, ok := thumbSuffix[policy.Type]; ok {
+		if len(list) == 1 && list[0] == "*" {
+			return true
+		}
+		return util.ContainsString(list, strings.ToLower(filepath.Ext(name)))
+	}
+	return false
+}
+
+// IsDirectlyPreview 返回此策略下文件是否可以直接预览（不需要重定向）
+func (policy *Policy) IsDirectlyPreview() bool {
+	return policy.Type == "local"
+}
+
+// IsTransitUpload 返回此策略上传给定size文件时是否需要服务端中转
+func (policy *Policy) IsTransitUpload(size uint64) bool {
+	return policy.Type == "local"
+}
+
+// IsThumbGenerateNeeded 返回此策略是否需要在上传后生成缩略图
+func (policy *Policy) IsThumbGenerateNeeded() bool {
+	return policy.Type == "local"
+}
+
+// IsUploadPlaceholderWithSize 返回此策略创建上传会话时是否需要预留空间
+func (policy *Policy) IsUploadPlaceholderWithSize() bool {
+	if policy.Type == "remote" {
+		return true
+	}
+
+	if util.ContainsString([]string{"onedrive", "oss", "qiniu", "cos", "s3"}, policy.Type) {
+		return policy.OptionsSerialized.PlaceholderWithSize
+	}
+
+	return false
+}
+
+// CanStructureBeListed 返回存储策略是否能被前台列物理目录
+func (policy *Policy) CanStructureBeListed() bool {
+	return policy.Type != "local" && policy.Type != "remote"
+}
+
+// SaveAndClearCache 更新并清理缓存
+func (policy *Policy) SaveAndClearCache() error {
+	err := DB.Save(policy).Error
+	policy.ClearCache()
+	return err
+}
+
+// SaveAndClearCache 更新并清理缓存
+func (policy *Policy) UpdateAccessKeyAndClearCache(s string) error {
+	err := DB.Model(policy).UpdateColumn("access_key", s).Error
+	policy.ClearCache()
+	return err
+}
+
+// ClearCache 清空policy缓存
+func (policy *Policy) ClearCache() {
+	cache.Deletes([]string{strconv.FormatUint(uint64(policy.ID), 10)}, "policy_")
+}
+
+// CouldProxyThumb return if proxy thumbs is allowed for this policy.
+func (policy *Policy) CouldProxyThumb() bool {
+	if policy.Type == "local" || !IsTrueVal(GetSettingByName("thumb_proxy_enabled")) {
+		return false
+	}
+
+	allowed := make([]uint, 0)
+	_ = json.Unmarshal([]byte(GetSettingByName("thumb_proxy_policy")), &allowed)
+	return lo.Contains[uint](allowed, policy.ID)
+}
--- a/models/redeem.go
+++ b/models/redeem.go
@@ -0,0 +1,27 @@
+package model
+
+import "github.com/jinzhu/gorm"
+
+// Redeem 兑换码
+type Redeem struct {
+	gorm.Model
+	Type      int    // 订单类型
+	ProductID int64  // 商品ID
+	Num       int    // 商品数量
+	Code      string `gorm:"size:64,index:redeem_code"` // 兑换码
+	Used      bool   // 是否已被使用
+}
+
+// GetAvailableRedeem 根据code查找可用兑换码
+func GetAvailableRedeem(code string) (*Redeem, error) {
+	redeem := &Redeem{}
+	result := DB.Where("code = ? and used = ?", code, false).First(redeem)
+	return redeem, result.Error
+}
+
+// Use 设定为已使用状态
+func (redeem *Redeem) Use() {
+	DB.Model(redeem).Updates(map[string]interface{}{
+		"used": true,
+	})
+}
--- a/models/report.go
+++ b/models/report.go
@@ -0,0 +1,21 @@
+package model
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+// Report 举报模型
+type Report struct {
+	gorm.Model
+	ShareID     uint   `gorm:"index:share_id"` // 对应分享ID
+	Reason      int    // 举报原因
+	Description string // 补充描述
+
+	// 关联模型
+	Share Share `gorm:"save_associations:false:false"`
+}
+
+// Create 创建举报
+func (report *Report) Create() error {
+	return DB.Create(report).Error
+}
--- a/models/scripts/init.go
+++ b/models/scripts/init.go
@@ -0,0 +1,10 @@
+package scripts
+
+import "github.com/cloudreve/Cloudreve/v3/models/scripts/invoker"
+
+func Init() {
+	invoker.Register("ResetAdminPassword", ResetAdminPassword(0))
+	invoker.Register("CalibrateUserStorage", UserStorageCalibration(0))
+	invoker.Register("OSSToPlus", UpgradeToPro(0))
+	invoker.Register("UpgradeTo3.4.0", UpgradeTo340(0))
+}
--- a/models/scripts/invoker/invoker.go
+++ b/models/scripts/invoker/invoker.go
@@ -0,0 +1,38 @@
+package invoker
+
+import (
+	"context"
+	"fmt"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"strings"
+)
+
+type DBScript interface {
+	Run(ctx context.Context)
+}
+
+var availableScripts = make(map[string]DBScript)
+
+func RunDBScript(name string, ctx context.Context) error {
+	if script, ok := availableScripts[name]; ok {
+		util.Log().Info("Start executing database script %q.", name)
+		script.Run(ctx)
+		return nil
+	}
+
+	return fmt.Errorf("Database script %q not exist.", name)
+}
+
+func Register(name string, script DBScript) {
+	availableScripts[name] = script
+}
+
+func ListPrefix(prefix string) []string {
+	var scripts []string
+	for name := range availableScripts {
+		if strings.HasPrefix(name, prefix) {
+			scripts = append(scripts, name)
+		}
+	}
+	return scripts
+}
--- a/models/scripts/reset.go
+++ b/models/scripts/reset.go
@@ -0,0 +1,31 @@
+package scripts
+
+import (
+	"context"
+	model "github.com/cloudreve/Cloudreve/v3/models"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/fatih/color"
+)
+
+type ResetAdminPassword int
+
+// Run 运行脚本从社区版升级至 Pro 版
+func (script ResetAdminPassword) Run(ctx context.Context) {
+	// 查找用户
+	user, err := model.GetUserByID(1)
+	if err != nil {
+		util.Log().Panic("Initial admin user not exist: %s", err)
+	}
+
+	// 生成密码
+	password := util.RandStringRunes(8)
+
+	// 更改为新密码
+	user.SetPassword(password)
+	if err := user.Update(map[string]interface{}{"password": user.Password}); err != nil {
+		util.Log().Panic("Failed to update password: %s", err)
+	}
+
+	c := color.New(color.FgWhite).Add(color.BgBlack).Add(color.Bold)
+	util.Log().Info("Initial admin user password changed to:" + c.Sprint(password))
+}
--- a/models/scripts/storage.go
+++ b/models/scripts/storage.go
@@ -0,0 +1,33 @@
+package scripts
+
+import (
+	"context"
+	model "github.com/cloudreve/Cloudreve/v3/models"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+)
+
+type UserStorageCalibration int
+
+type storageResult struct {
+	Total uint64
+}
+
+// Run 运行脚本校准所有用户容量
+func (script UserStorageCalibration) Run(ctx context.Context) {
+	// 列出所有用户
+	var res []model.User
+	model.DB.Model(&model.User{}).Find(&res)
+
+	// 逐个检查容量
+	for _, user := range res {
+		// 计算正确的容量
+		var total storageResult
+		model.DB.Model(&model.File{}).Where("user_id = ?", user.ID).Select("sum(size) as total").Scan(&total)
+		// 更新用户的容量
+		if user.Storage != total.Total {
+			util.Log().Info("Calibrate used storage for user %q, from %d to %d.", user.Email,
+				user.Storage, total.Total)
+		}
+		model.DB.Model(&user).Update("storage", total.Total)
+	}
+}
--- a/models/scripts/upgrade-pro.go
+++ b/models/scripts/upgrade-pro.go
@@ -0,0 +1,22 @@
+package scripts
+
+import (
+	"context"
+	model "github.com/cloudreve/Cloudreve/v3/models"
+)
+
+type UpgradeToPro int
+
+// Run 运行脚本从社区版升级至 Pro 版
+func (script UpgradeToPro) Run(ctx context.Context) {
+	// folder.PolicyID 字段设为 0
+	model.DB.Model(model.Folder{}).UpdateColumn("policy_id", 0)
+	// shares.Score 字段设为0
+	model.DB.Model(model.Share{}).UpdateColumn("score", 0)
+	// user 表相关初始字段
+	model.DB.Model(model.User{}).Updates(map[string]interface{}{
+		"score":             0,
+		"previous_group_id": 0,
+		"open_id":           "",
+	})
+}
--- a/models/scripts/upgrade.go
+++ b/models/scripts/upgrade.go
@@ -0,0 +1,43 @@
+package scripts
+
+import (
+	"context"
+	model "github.com/cloudreve/Cloudreve/v3/models"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"strconv"
+)
+
+type UpgradeTo340 int
+
+// Run upgrade from older version to 3.4.0
+func (script UpgradeTo340) Run(ctx context.Context) {
+	// 取回老版本 aria2 设定
+	old := model.GetSettingByType([]string{"aria2"})
+	if len(old) == 0 {
+		return
+	}
+
+	// 写入到新版本的节点设定
+	n, err := model.GetNodeByID(1)
+	if err != nil {
+		util.Log().Error("找不到主机节点, %s", err)
+	}
+
+	n.Aria2Enabled = old["aria2_rpcurl"] != ""
+	n.Aria2OptionsSerialized.Options = old["aria2_options"]
+	n.Aria2OptionsSerialized.Server = old["aria2_rpcurl"]
+
+	interval, err := strconv.Atoi(old["aria2_interval"])
+	if err != nil {
+		interval = 10
+	}
+	n.Aria2OptionsSerialized.Interval = interval
+	n.Aria2OptionsSerialized.TempPath = old["aria2_temp_path"]
+	n.Aria2OptionsSerialized.Token = old["aria2_token"]
+	if err := model.DB.Save(&n).Error; err != nil {
+		util.Log().Error("无法保存主机节点 Aria2 配置信息, %s", err)
+	} else {
+		model.DB.Where("type = ?", "aria2").Delete(model.Setting{})
+		util.Log().Info("Aria2 配置信息已成功迁移至 3.4.0+ 版本的模式")
+	}
+}
--- a/models/setting.go
+++ b/models/setting.go
@@ -0,0 +1,110 @@
+package model
+
+import (
+	"net/url"
+	"strconv"
+
+	"github.com/cloudreve/Cloudreve/v3/pkg/cache"
+	"github.com/jinzhu/gorm"
+)
+
+// Setting 系统设置模型
+type Setting struct {
+	gorm.Model
+	Type  string `gorm:"not null"`
+	Name  string `gorm:"unique;not null;index:setting_key"`
+	Value string `gorm:"size:‎65535"`
+}
+
+// IsTrueVal 返回设置的值是否为真
+func IsTrueVal(val string) bool {
+	return val == "1" || val == "true"
+}
+
+// GetSettingByName 用 Name 获取设置值
+func GetSettingByName(name string) string {
+	return GetSettingByNameFromTx(DB, name)
+}
+
+// GetSettingByNameFromTx 用 Name 获取设置值，使用事务
+func GetSettingByNameFromTx(tx *gorm.DB, name string) string {
+	var setting Setting
+
+	// 优先从缓存中查找
+	cacheKey := "setting_" + name
+	if optionValue, ok := cache.Get(cacheKey); ok {
+		return optionValue.(string)
+	}
+
+	// 尝试数据库中查找
+	if tx == nil {
+		tx = DB
+		if tx == nil {
+			return ""
+		}
+	}
+
+	result := tx.Where("name = ?", name).First(&setting)
+	if result.Error == nil {
+		_ = cache.Set(cacheKey, setting.Value, -1)
+		return setting.Value
+	}
+
+	return ""
+}
+
+// GetSettingByNameWithDefault 用 Name 获取设置值, 取不到时使用缺省值
+func GetSettingByNameWithDefault(name, fallback string) string {
+	res := GetSettingByName(name)
+	if res == "" {
+		return fallback
+	}
+	return res
+}
+
+// GetSettingByNames 用多个 Name 获取设置值
+func GetSettingByNames(names ...string) map[string]string {
+	var queryRes []Setting
+	res, miss := cache.GetSettings(names, "setting_")
+
+	if len(miss) > 0 {
+		DB.Where("name IN (?)", miss).Find(&queryRes)
+		for _, setting := range queryRes {
+			res[setting.Name] = setting.Value
+		}
+	}
+
+	_ = cache.SetSettings(res, "setting_")
+	return res
+}
+
+// GetSettingByType 获取一个或多个分组的所有设置值
+func GetSettingByType(types []string) map[string]string {
+	var queryRes []Setting
+	res := make(map[string]string)
+
+	DB.Where("type IN (?)", types).Find(&queryRes)
+	for _, setting := range queryRes {
+		res[setting.Name] = setting.Value
+	}
+
+	return res
+}
+
+// GetSiteURL 获取站点地址
+func GetSiteURL() *url.URL {
+	base, err := url.Parse(GetSettingByName("siteURL"))
+	if err != nil {
+		base, _ = url.Parse("https://cloudreve.org")
+	}
+	return base
+}
+
+// GetIntSetting 获取整形设置值，如果转换失败则返回默认值defaultVal
+func GetIntSetting(key string, defaultVal int) int {
+	res, err := strconv.Atoi(GetSettingByName(key))
+	if err != nil {
+		return defaultVal
+	}
+	return res
+}
--- a/models/share.go
+++ b/models/share.go
@@ -0,0 +1,280 @@
+package model
+
+import (
+	"errors"
+	"fmt"
+	"math"
+	"strings"
+	"time"
+
+	"github.com/cloudreve/Cloudreve/v3/pkg/cache"
+	"github.com/cloudreve/Cloudreve/v3/pkg/hashid"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/gin-gonic/gin"
+	"github.com/jinzhu/gorm"
+)
+
+var (
+	ErrInsufficientCredit = errors.New("积分不足")
+)
+
+// Share 分享模型
+type Share struct {
+	gorm.Model
+	Password        string     // 分享密码，空值为非加密分享
+	IsDir           bool       // 原始资源是否为目录
+	UserID          uint       // 创建用户ID
+	SourceID        uint       // 原始资源ID
+	Views           int        // 浏览数
+	Downloads       int        // 下载数
+	RemainDownloads int        // 剩余下载配额，负值标识无限制
+	Expires         *time.Time // 过期时间，空值表示无过期时间
+	Score           int        // 每人次下载扣除积分
+	PreviewEnabled  bool       // 是否允许直接预览
+	SourceName      string     `gorm:"index:source"` // 用于搜索的字段
+
+	// 数据库忽略字段
+	User   User   `gorm:"PRELOAD:false,association_autoupdate:false"`
+	File   File   `gorm:"PRELOAD:false,association_autoupdate:false"`
+	Folder Folder `gorm:"PRELOAD:false,association_autoupdate:false"`
+}
+
+// Create 创建分享
+func (share *Share) Create() (uint, error) {
+	if err := DB.Create(share).Error; err != nil {
+		util.Log().Warning("Failed to insert share record: %s", err)
+		return 0, err
+	}
+	return share.ID, nil
+}
+
+// GetShareByHashID 根据HashID查找分享
+func GetShareByHashID(hashID string) *Share {
+	id, err := hashid.DecodeHashID(hashID, hashid.ShareID)
+	if err != nil {
+		return nil
+	}
+	var share Share
+	result := DB.First(&share, id)
+	if result.Error != nil {
+		return nil
+	}
+
+	return &share
+}
+
+// IsAvailable 返回此分享是否可用（是否过期）
+func (share *Share) IsAvailable() bool {
+	if share.RemainDownloads == 0 {
+		return false
+	}
+	if share.Expires != nil && time.Now().After(*share.Expires) {
+		return false
+	}
+
+	// 检查创建者状态
+	if share.Creator().Status != Active {
+		return false
+	}
+
+	// 检查源对象是否存在
+	var sourceID uint
+	if share.IsDir {
+		folder := share.SourceFolder()
+		sourceID = folder.ID
+	} else {
+		file := share.SourceFile()
+		sourceID = file.ID
+	}
+	if sourceID == 0 {
+		// TODO 是否要在这里删除这个无效分享？
+		return false
+	}
+
+	return true
+}
+
+// Creator 获取分享的创建者
+func (share *Share) Creator() *User {
+	if share.User.ID == 0 {
+		share.User, _ = GetUserByID(share.UserID)
+	}
+	return &share.User
+}
+
+// Source 返回源对象
+func (share *Share) Source() interface{} {
+	if share.IsDir {
+		return share.SourceFolder()
+	}
+	return share.SourceFile()
+}
+
+// SourceFolder 获取源目录
+func (share *Share) SourceFolder() *Folder {
+	if share.Folder.ID == 0 {
+		folders, _ := GetFoldersByIDs([]uint{share.SourceID}, share.UserID)
+		if len(folders) > 0 {
+			share.Folder = folders[0]
+		}
+	}
+	return &share.Folder
+}
+
+// SourceFile 获取源文件
+func (share *Share) SourceFile() *File {
+	if share.File.ID == 0 {
+		files, _ := GetFilesByIDs([]uint{share.SourceID}, share.UserID)
+		if len(files) > 0 {
+			share.File = files[0]
+		}
+	}
+	return &share.File
+}
+
+// CanBeDownloadBy 返回此分享是否可以被给定用户下载
+func (share *Share) CanBeDownloadBy(user *User) error {
+	// 用户组权限
+	if !user.Group.OptionsSerialized.ShareDownload {
+		if user.IsAnonymous() {
+			return errors.New("you must login to download")
+		}
+		return errors.New("your group has no permission to download")
+	}
+
+	// 需要积分但未登录
+	if share.Score > 0 && user.IsAnonymous() {
+		return errors.New("you must login to download")
+	}
+
+	return nil
+}
+
+// WasDownloadedBy 返回分享是否已被用户下载过
+func (share *Share) WasDownloadedBy(user *User, c *gin.Context) (exist bool) {
+	if user.IsAnonymous() {
+		exist = util.GetSession(c, fmt.Sprintf("share_%d_%d", share.ID, user.ID)) != nil
+	} else {
+		_, exist = cache.Get(fmt.Sprintf("share_%d_%d", share.ID, user.ID))
+	}
+
+	return exist
+}
+
+// DownloadBy 增加下载次数、检查积分等，匿名用户不会缓存
+func (share *Share) DownloadBy(user *User, c *gin.Context) error {
+	if !share.WasDownloadedBy(user, c) {
+		if err := share.Purchase(user); err != nil {
+			return err
+		}
+		share.Downloaded()
+		if !user.IsAnonymous() {
+			cache.Set(fmt.Sprintf("share_%d_%d", share.ID, user.ID), true,
+				GetIntSetting("share_download_session_timeout", 2073600))
+		} else {
+			util.SetSession(c, map[string]interface{}{fmt.Sprintf("share_%d_%d", share.ID, user.ID): true})
+		}
+	}
+	return nil
+}
+
+// Purchase 使用积分购买分享
+func (share *Share) Purchase(user *User) error {
+	// 不需要付积分
+	if share.Score == 0 || user.Group.OptionsSerialized.ShareFree || user.ID == share.UserID {
+		return nil
+	}
+
+	ok := user.PayScore(share.Score)
+	if !ok {
+		return ErrInsufficientCredit
+	}
+
+	scoreRate := GetIntSetting("share_score_rate", 100)
+	gainedScore := int(math.Ceil(float64(share.Score*scoreRate) / 100))
+	share.Creator().AddScore(gainedScore)
+
+	return nil
+}
+
+// Viewed 增加访问次数
+func (share *Share) Viewed() {
+	share.Views++
+	DB.Model(share).UpdateColumn("views", gorm.Expr("views + ?", 1))
+}
+
+// Downloaded 增加下载次数
+func (share *Share) Downloaded() {
+	share.Downloads++
+	if share.RemainDownloads > 0 {
+		share.RemainDownloads--
+	}
+	DB.Model(share).Updates(map[string]interface{}{
+		"downloads":        share.Downloads,
+		"remain_downloads": share.RemainDownloads,
+	})
+}
+
+// Update 更新分享属性
+func (share *Share) Update(props map[string]interface{}) error {
+	return DB.Model(share).Updates(props).Error
+}
+
+// Delete 删除分享
+func (share *Share) Delete() error {
+	return DB.Model(share).Delete(share).Error
+}
+
+// DeleteShareBySourceIDs 根据原始资源类型和ID删除文件
+func DeleteShareBySourceIDs(sources []uint, isDir bool) error {
+	return DB.Where("source_id in (?) and is_dir = ?", sources, isDir).Delete(&Share{}).Error
+}
+
+// ListShares 列出UID下的分享
+func ListShares(uid uint, page, pageSize int, order string, publicOnly bool) ([]Share, int) {
+	var (
+		shares []Share
+		total  int
+	)
+	dbChain := DB
+	dbChain = dbChain.Where("user_id = ?", uid)
+	if publicOnly {
+		dbChain = dbChain.Where("password = ?", "")
+	}
+
+	// 计算总数用于分页
+	dbChain.Model(&Share{}).Count(&total)
+
+	// 查询记录
+	dbChain.Limit(pageSize).Offset((page - 1) * pageSize).Order(order).Find(&shares)
+	return shares, total
+}
+
+// SearchShares 根据关键字搜索分享
+func SearchShares(page, pageSize int, order, keywords string) ([]Share, int) {
+	var (
+		shares []Share
+		total  int
+	)
+
+	keywordList := strings.Split(keywords, " ")
+	availableList := make([]string, 0, len(keywordList))
+	for i := 0; i < len(keywordList); i++ {
+		if len(keywordList[i]) > 0 {
+			availableList = append(availableList, keywordList[i])
+		}
+	}
+	if len(availableList) == 0 {
+		return shares, 0
+	}
+
+	dbChain := DB
+	dbChain = dbChain.Where("password = ? and remain_downloads <> 0 and (expires is NULL or expires > ?) and source_name like ?", "", time.Now(), "%"+strings.Join(availableList, "%")+"%")
+
+	// 计算总数用于分页
+	dbChain.Model(&Share{}).Count(&total)
+
+	// 查询记录
+	dbChain.Limit(pageSize).Offset((page - 1) * pageSize).Order(order).Find(&shares)
+	return shares, total
+}
--- a/models/source_link.go
+++ b/models/source_link.go
@@ -0,0 +1,47 @@
+package model
+
+import (
+	"fmt"
+	"github.com/cloudreve/Cloudreve/v3/pkg/hashid"
+	"github.com/jinzhu/gorm"
+	"net/url"
+)
+
+// SourceLink represent a shared file source link
+type SourceLink struct {
+	gorm.Model
+	FileID    uint   // corresponding file ID
+	Name      string // name of the file while creating the source link, for annotation
+	Downloads int    // 下载数
+
+	// 关联模型
+	File File `gorm:"save_associations:false:false"`
+}
+
+// Link gets the URL of a SourceLink
+func (s *SourceLink) Link() (string, error) {
+	baseURL := GetSiteURL()
+	linkPath, err := url.Parse(fmt.Sprintf("/f/%s/%s", hashid.HashID(s.ID, hashid.SourceLinkID), s.File.Name))
+	if err != nil {
+		return "", err
+	}
+	return baseURL.ResolveReference(linkPath).String(), nil
+}
+
+// GetTasksByID queries source link based on ID
+func GetSourceLinkByID(id interface{}) (*SourceLink, error) {
+	link := &SourceLink{}
+	result := DB.Where("id = ?", id).First(link)
+	files, _ := GetFilesByIDs([]uint{link.FileID}, 0)
+	if len(files) > 0 {
+		link.File = files[0]
+	}
+
+	return link, result.Error
+}
+
+// Viewed 增加访问次数
+func (s *SourceLink) Downloaded() {
+	s.Downloads++
+	DB.Model(s).UpdateColumn("downloads", gorm.Expr("downloads + ?", 1))
+}
--- a/models/storage_pack.go
+++ b/models/storage_pack.go
@@ -0,0 +1,91 @@
+package model
+
+import (
+	"github.com/cloudreve/Cloudreve/v3/pkg/cache"
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/jinzhu/gorm"
+	"strconv"
+	"time"
+)
+
+// StoragePack 容量包模型
+type StoragePack struct {
+	// 表字段
+	gorm.Model
+	Name        string
+	UserID      uint
+	ActiveTime  *time.Time
+	ExpiredTime *time.Time `gorm:"index:expired"`
+	Size        uint64
+}
+
+// Create 创建容量包
+func (pack *StoragePack) Create() (uint, error) {
+	if err := DB.Create(pack).Error; err != nil {
+		util.Log().Warning("Failed to insert storage pack record: %s", err)
+		return 0, err
+	}
+	return pack.ID, nil
+}
+
+// GetAvailablePackSize 返回给定用户当前可用的容量包总容量
+func (user *User) GetAvailablePackSize() uint64 {
+	var (
+		total       uint64
+		firstExpire *time.Time
+		timeNow     = time.Now()
+		ttl         int64
+	)
+
+	// 尝试从缓存中读取
+	cacheKey := "pack_size_" + strconv.FormatUint(uint64(user.ID), 10)
+	if total, ok := cache.Get(cacheKey); ok {
+		return total.(uint64)
+	}
+
+	// 查找所有有效容量包
+	packs := user.GetAvailableStoragePacks()
+
+	// 计算总容量, 并找到其中最早的过期时间
+	for _, v := range packs {
+		total += v.Size
+		if firstExpire == nil {
+			firstExpire = v.ExpiredTime
+			continue
+		}
+		if v.ExpiredTime != nil && firstExpire.After(*v.ExpiredTime) {
+			firstExpire = v.ExpiredTime
+		}
+	}
+
+	// 用最早的过期时间计算缓存TTL，并写入缓存
+	if firstExpire != nil {
+		ttl = firstExpire.Unix() - timeNow.Unix()
+		if ttl > 0 {
+			_ = cache.Set(cacheKey, total, int(ttl))
+		}
+	}
+
+	return total
+}
+
+// GetAvailableStoragePacks 返回用户可用的容量包
+func (user *User) GetAvailableStoragePacks() []StoragePack {
+	var packs []StoragePack
+	timeNow := time.Now()
+	// 查找所有有效容量包
+	DB.Where("expired_time > ? AND user_id = ?", timeNow, user.ID).Find(&packs)
+	return packs
+}
+
+// GetExpiredStoragePack 获取已过期的容量包
+func GetExpiredStoragePack() []StoragePack {
+	var packs []StoragePack
+	DB.Where("expired_time < ?", time.Now()).Find(&packs)
+	return packs
+}
+
+// Delete 删除容量包
+func (pack *StoragePack) Delete() error {
+	return DB.Delete(&pack).Error
+}
--- a/models/tag.go
+++ b/models/tag.go
@@ -0,0 +1,53 @@
+package model
+
+import (
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/jinzhu/gorm"
+)
+
+// Tag 用户自定义标签
+type Tag struct {
+	gorm.Model
+	Name       string // 标签名
+	Icon       string // 图标标识
+	Color      string // 图标颜色
+	Type       int    // 标签类型（文件分类/目录直达）
+	Expression string `gorm:"type:text"` // 搜索表表达式/直达路径
+	UserID     uint   // 创建者ID
+}
+
+const (
+	// FileTagType 文件分类标签
+	FileTagType = iota
+	// DirectoryLinkType 目录快捷方式标签
+	DirectoryLinkType
+)
+
+// Create 创建标签记录
+func (tag *Tag) Create() (uint, error) {
+	if err := DB.Create(tag).Error; err != nil {
+		util.Log().Warning("Failed to insert tag record: %s", err)
+		return 0, err
+	}
+	return tag.ID, nil
+}
+
+// DeleteTagByID 根据给定ID和用户ID删除标签
+func DeleteTagByID(id, uid uint) error {
+	result := DB.Where("id = ? and user_id = ?", id, uid).Delete(&Tag{})
+	return result.Error
+}
+
+// GetTagsByUID 根据用户ID查找标签
+func GetTagsByUID(uid uint) ([]Tag, error) {
+	var tag []Tag
+	result := DB.Where("user_id = ?", uid).Find(&tag)
+	return tag, result.Error
+}
+
+// GetTagsByID 根据ID查找标签
+func GetTagsByID(id, uid uint) (*Tag, error) {
+	var tag Tag
+	result := DB.Where("user_id = ? and id = ?", uid, id).First(&tag)
+	return &tag, result.Error
+}
--- a/models/task.go
+++ b/models/task.go
@@ -0,0 +1,73 @@
+package model
+
+import (
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/jinzhu/gorm"
+)
+
+// Task 任务模型
+type Task struct {
+	gorm.Model
+	Status   int    // 任务状态
+	Type     int    // 任务类型
+	UserID   uint   // 发起者UID，0表示为系统发起
+	Progress int    // 进度
+	Error    string `gorm:"type:text"` // 错误信息
+	Props    string `gorm:"type:text"` // 任务属性
+}
+
+// Create 创建任务记录
+func (task *Task) Create() (uint, error) {
+	if err := DB.Create(task).Error; err != nil {
+		util.Log().Warning("Failed to insert task record: %s", err)
+		return 0, err
+	}
+	return task.ID, nil
+}
+
+// SetStatus 设定任务状态
+func (task *Task) SetStatus(status int) error {
+	return DB.Model(task).Select("status").Updates(map[string]interface{}{"status": status}).Error
+}
+
+// SetProgress 设定任务进度
+func (task *Task) SetProgress(progress int) error {
+	return DB.Model(task).Select("progress").Updates(map[string]interface{}{"progress": progress}).Error
+}
+
+// SetError 设定错误信息
+func (task *Task) SetError(err string) error {
+	return DB.Model(task).Select("error").Updates(map[string]interface{}{"error": err}).Error
+}
+
+// GetTasksByStatus 根据状态检索任务
+func GetTasksByStatus(status ...int) []Task {
+	var tasks []Task
+	DB.Where("status in (?)", status).Find(&tasks)
+	return tasks
+}
+
+// GetTasksByID 根据ID检索任务
+func GetTasksByID(id interface{}) (*Task, error) {
+	task := &Task{}
+	result := DB.Where("id = ?", id).First(task)
+	return task, result.Error
+}
+
+// ListTasks 列出用户所属的任务
+func ListTasks(uid uint, page, pageSize int, order string) ([]Task, int) {
+	var (
+		tasks []Task
+		total int
+	)
+	dbChain := DB
+	dbChain = dbChain.Where("user_id = ?", uid)
+
+	// 计算总数用于分页
+	dbChain.Model(&Task{}).Count(&total)
+
+	// 查询记录
+	dbChain.Limit(pageSize).Offset((page - 1) * pageSize).Order(order).Find(&tasks)
+
+	return tasks, total
+}
--- a/models/user.go
+++ b/models/user.go
@@ -0,0 +1,429 @@
+package model
+
+import (
+	"crypto/md5"
+	"crypto/sha1"
+	"encoding/gob"
+	"encoding/hex"
+	"encoding/json"
+	"strings"
+	"time"
+
+	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/jinzhu/gorm"
+	"github.com/pkg/errors"
+)
+
+const (
+	// Active 账户正常状态
+	Active = iota
+	// NotActivicated 未激活
+	NotActivicated
+	// Baned 被封禁
+	Baned
+	// OveruseBaned 超额使用被封禁
+	OveruseBaned
+)
+
+// User 用户模型
+type User struct {
+	// 表字段
+	gorm.Model
+	Email           string `gorm:"type:varchar(100);unique_index"`
+	Nick            string `gorm:"size:50"`
+	Password        string `json:"-"`
+	Status          int
+	GroupID         uint
+	Storage         uint64
+	OpenID          string
+	TwoFactor       string
+	Avatar          string
+	Options         string `json:"-" gorm:"size:4294967295"`
+	Authn           string `gorm:"size:4294967295"`
+	Score           int
+	PreviousGroupID uint       // 初始用户组
+	GroupExpires    *time.Time // 用户组过期日期
+	NotifyDate      *time.Time // 通知超出配额时的日期
+	Phone           string
+
+	// 关联模型
+	Group Group `gorm:"save_associations:false:false"`
+
+	// 数据库忽略字段
+	OptionsSerialized UserOption `gorm:"-"`
+}
+
+func init() {
+	gob.Register(User{})
+}
+
+// UserOption 用户个性化配置字段
+type UserOption struct {
+	ProfileOff      bool   `json:"profile_off,omitempty"`
+	PreferredPolicy uint   `json:"preferred_policy,omitempty"`
+	PreferredTheme  string `json:"preferred_theme,omitempty"`
+}
+
+// Root 获取用户的根目录
+func (user *User) Root() (*Folder, error) {
+	var folder Folder
+	err := DB.Where("parent_id is NULL AND owner_id = ?", user.ID).First(&folder).Error
+	return &folder, err
+}
+
+// DeductionStorage 减少用户已用容量
+func (user *User) DeductionStorage(size uint64) bool {
+	if size == 0 {
+		return true
+	}
+	if size <= user.Storage {
+		user.Storage -= size
+		DB.Model(user).Update("storage", gorm.Expr("storage - ?", size))
+		return true
+	}
+	// 如果要减少的容量超出已用容量，则设为零
+	user.Storage = 0
+	DB.Model(user).Update("storage", 0)
+
+	return false
+}
+
+// IncreaseStorage 检查并增加用户已用容量
+func (user *User) IncreaseStorage(size uint64) bool {
+	if size == 0 {
+		return true
+	}
+	if size <= user.GetRemainingCapacity() {
+		user.Storage += size
+		DB.Model(user).Update("storage", gorm.Expr("storage + ?", size))
+		return true
+	}
+	return false
+}
+
+// ChangeStorage 更新用户容量
+func (user *User) ChangeStorage(tx *gorm.DB, operator string, size uint64) error {
+	return tx.Model(user).Update("storage", gorm.Expr("storage "+operator+" ?", size)).Error
+}
+
+// PayScore 扣除积分，返回是否成功
+func (user *User) PayScore(score int) bool {
+	if score == 0 {
+		return true
+	}
+	if score <= user.Score {
+		user.Score -= score
+		DB.Model(user).Update("score", gorm.Expr("score - ?", score))
+		return true
+	}
+	return false
+}
+
+// AddScore 增加积分
+func (user *User) AddScore(score int) {
+	user.Score += score
+	DB.Model(user).Update("score", gorm.Expr("score + ?", score))
+}
+
+// IncreaseStorageWithoutCheck 忽略可用容量，增加用户已用容量
+func (user *User) IncreaseStorageWithoutCheck(size uint64) {
+	if size == 0 {
+		return
+	}
+	user.Storage += size
+	DB.Model(user).Update("storage", gorm.Expr("storage + ?", size))
+
+}
+
+// GetRemainingCapacity 获取剩余配额
+func (user *User) GetRemainingCapacity() uint64 {
+	total := user.Group.MaxStorage + user.GetAvailablePackSize()
+	if total <= user.Storage {
+		return 0
+	}
+	return total - user.Storage
+}
+
+// GetPolicyID 获取给定目录的存储策略, 如果为 nil 则使用默认
+func (user *User) GetPolicyID(folder *Folder) *Policy {
+	if user.IsAnonymous() {
+		return &Policy{Type: "anonymous"}
+	}
+
+	defaultPolicy := uint(1)
+	if len(user.Group.PolicyList) > 0 {
+		defaultPolicy = user.Group.PolicyList[0]
+	}
+
+	if folder != nil {
+		prefer := folder.PolicyID
+		if prefer == 0 && folder.InheritPolicyID > 0 {
+			prefer = folder.InheritPolicyID
+		}
+
+		if prefer > 0 && util.ContainsUint(user.Group.PolicyList, prefer) {
+			defaultPolicy = prefer
+		}
+	}
+
+	p, _ := GetPolicyByID(defaultPolicy)
+	return &p
+}
+
+// GetPolicyByPreference 在可用存储策略中优先获取 preference
+func (user *User) GetPolicyByPreference(preference uint) *Policy {
+	if user.IsAnonymous() {
+		return &Policy{Type: "anonymous"}
+	}
+
+	defaultPolicy := uint(1)
+	if len(user.Group.PolicyList) > 0 {
+		defaultPolicy = user.Group.PolicyList[0]
+	}
+
+	if preference != 0 {
+		if util.ContainsUint(user.Group.PolicyList, preference) {
+			defaultPolicy = preference
+		}
+	}
+
+	p, _ := GetPolicyByID(defaultPolicy)
+	return &p
+}
+
+// GetUserByID 用ID获取用户
+func GetUserByID(ID interface{}) (User, error) {
+	var user User
+	result := DB.Set("gorm:auto_preload", true).First(&user, ID)
+	return user, result.Error
+}
+
+// GetActiveUserByID 用ID获取可登录用户
+func GetActiveUserByID(ID interface{}) (User, error) {
+	var user User
+	result := DB.Set("gorm:auto_preload", true).Where("status = ?", Active).First(&user, ID)
+	return user, result.Error
+}
+
+// GetActiveUserByOpenID 用OpenID获取可登录用户
+func GetActiveUserByOpenID(openid string) (User, error) {
+	var user User
+	result := DB.Set("gorm:auto_preload", true).Where("status = ? and open_id = ?", Active, openid).Find(&user)
+	return user, result.Error
+}
+
+// GetUserByEmail 用Email获取用户
+func GetUserByEmail(email string) (User, error) {
+	var user User
+	result := DB.Set("gorm:auto_preload", true).Where("email = ?", email).First(&user)
+	return user, result.Error
+}
+
+// GetActiveUserByEmail 用Email获取可登录用户
+func GetActiveUserByEmail(email string) (User, error) {
+	var user User
+	result := DB.Set("gorm:auto_preload", true).Where("status = ? and email = ?", Active, email).First(&user)
+	return user, result.Error
+}
+
+// NewUser 返回一个新的空 User
+func NewUser() User {
+	options := UserOption{}
+	return User{
+		OptionsSerialized: options,
+	}
+}
+
+// BeforeSave Save用户前的钩子
+func (user *User) BeforeSave() (err error) {
+	err = user.SerializeOptions()
+	return err
+}
+
+// AfterCreate 创建用户后的钩子
+func (user *User) AfterCreate(tx *gorm.DB) (err error) {
+	// 创建用户的默认根目录
+	defaultFolder := &Folder{
+		Name:    "/",
+		OwnerID: user.ID,
+	}
+	tx.Create(defaultFolder)
+
+	// 创建用户初始文件记录
+	initialFiles := GetSettingByNameFromTx(tx, "initial_files")
+	if initialFiles != "" {
+		initialFileIDs := make([]uint, 0)
+		if err := json.Unmarshal([]byte(initialFiles), &initialFileIDs); err != nil {
+			return err
+		}
+
+		if files, err := GetFilesByIDsFromTX(tx, initialFileIDs, 0); err == nil {
+			for _, file := range files {
+				file.ID = 0
+				file.UserID = user.ID
+				file.FolderID = defaultFolder.ID
+				user.Storage += file.Size
+				tx.Create(&file)
+			}
+			tx.Save(user)
+		}
+	}
+
+	return err
+}
+
+// AfterFind 找到用户后的钩子
+func (user *User) AfterFind() (err error) {
+	// 解析用户设置到OptionsSerialized
+	if user.Options != "" {
+		err = json.Unmarshal([]byte(user.Options), &user.OptionsSerialized)
+	}
+
+	return err
+}
+
+// SerializeOptions 将序列后的Option写入到数据库字段
+func (user *User) SerializeOptions() (err error) {
+	optionsValue, err := json.Marshal(&user.OptionsSerialized)
+	user.Options = string(optionsValue)
+	return err
+}
+
+// CheckPassword 根据明文校验密码
+func (user *User) CheckPassword(password string) (bool, error) {
+
+	// 根据存储密码拆分为 Salt 和 Digest
+	passwordStore := strings.Split(user.Password, ":")
+	if len(passwordStore) != 2 && len(passwordStore) != 3 {
+		return false, errors.New("Unknown password type")
+	}
+
+	// 兼容V2密码，升级后存储格式为: md5:$HASH:$SALT
+	if len(passwordStore) == 3 {
+		if passwordStore[0] != "md5" {
+			return false, errors.New("Unknown password type")
+		}
+		hash := md5.New()
+		_, err := hash.Write([]byte(passwordStore[2] + password))
+		bs := hex.EncodeToString(hash.Sum(nil))
+		if err != nil {
+			return false, err
+		}
+		return bs == passwordStore[1], nil
+	}
+
+	//计算 Salt 和密码组合的SHA1摘要
+	hash := sha1.New()
+	_, err := hash.Write([]byte(password + passwordStore[0]))
+	bs := hex.EncodeToString(hash.Sum(nil))
+	if err != nil {
+		return false, err
+	}
+
+	return bs == passwordStore[1], nil
+}
+
+// SetPassword 根据给定明文设定 User 的 Password 字段
+func (user *User) SetPassword(password string) error {
+	//生成16位 Salt
+	salt := util.RandStringRunes(16)
+
+	//计算 Salt 和密码组合的SHA1摘要
+	hash := sha1.New()
+	_, err := hash.Write([]byte(password + salt))
+	bs := hex.EncodeToString(hash.Sum(nil))
+
+	if err != nil {
+		return err
+	}
+
+	//存储 Salt 值和摘要， ":"分割
+	user.Password = salt + ":" + string(bs)
+	return nil
+}
+
+// NewAnonymousUser 返回一个匿名用户
+func NewAnonymousUser() *User {
+	user := User{}
+	user.Group, _ = GetGroupByID(3)
+	return &user
+}
+
+// IsAnonymous 返回是否为未登录用户
+func (user *User) IsAnonymous() bool {
+	return user.ID == 0
+}
+
+// Notified 更新用户容量超额通知日期
+func (user *User) Notified() {
+	if user.NotifyDate == nil {
+		timeNow := time.Now()
+		user.NotifyDate = &timeNow
+		DB.Model(&user).Update("notify_date", user.NotifyDate)
+	}
+}
+
+// ClearNotified 清除用户通知标记
+func (user *User) ClearNotified() {
+	DB.Model(&user).Update("notify_date", nil)
+}
+
+// SetStatus 设定用户状态
+func (user *User) SetStatus(status int) {
+	DB.Model(&user).Update("status", status)
+}
+
+// Update 更新用户
+func (user *User) Update(val map[string]interface{}) error {
+	return DB.Model(user).Updates(val).Error
+}
+
+// UpdateOptions 更新用户偏好设定
+func (user *User) UpdateOptions() error {
+	if err := user.SerializeOptions(); err != nil {
+		return err
+	}
+	return user.Update(map[string]interface{}{"options": user.Options})
+}
+
+// GetGroupExpiredUsers 获取用户组过期的用户
+func GetGroupExpiredUsers() []User {
+	var users []User
+	DB.Where("group_expires < ? and previous_group_id <> 0", time.Now()).Find(&users)
+	return users
+}
+
+// GetTolerantExpiredUser 获取超过宽容期的用户
+func GetTolerantExpiredUser() []User {
+	var users []User
+	DB.Set("gorm:auto_preload", true).Where("notify_date < ?", time.Now().Add(
+		time.Duration(-GetIntSetting("ban_time", 10))*time.Second),
+	).Find(&users)
+	return users
+}
+
+// GroupFallback 回退到初始用户组
+func (user *User) GroupFallback() {
+	if user.GroupExpires != nil && user.PreviousGroupID != 0 {
+		user.Group.ID = user.PreviousGroupID
+		DB.Model(&user).Updates(map[string]interface{}{
+			"group_expires":     nil,
+			"previous_group_id": 0,
+			"group_id":          user.PreviousGroupID,
+		})
+	}
+}
+
+// UpgradeGroup 升级用户组
+func (user *User) UpgradeGroup(id uint, expires *time.Time) error {
+	user.Group.ID = id
+	previousGroupID := user.GroupID
+	if user.PreviousGroupID != 0 && user.GroupID == id {
+		previousGroupID = user.PreviousGroupID
+	}
+	return DB.Model(&user).Updates(map[string]interface{}{
+		"group_expires":     expires,
+		"previous_group_id": previousGroupID,
+		"group_id":          id,
+	}).Error
+}
--- a/models/user_authn.go
+++ b/models/user_authn.go
@@ -0,0 +1,79 @@
+package model
+
+import (
+	"encoding/base64"
+	"encoding/binary"
+	"encoding/json"
+	"fmt"
+	"net/url"
+
+	"github.com/cloudreve/Cloudreve/v3/pkg/hashid"
+	"github.com/duo-labs/webauthn/webauthn"
+)
+
+/*
+	`webauthn.User` 接口的实现
+*/
+
+// WebAuthnID 返回用户ID
+func (user User) WebAuthnID() []byte {
+	bs := make([]byte, 8)
+	binary.LittleEndian.PutUint64(bs, uint64(user.ID))
+	return bs
+}
+
+// WebAuthnName 返回用户名
+func (user User) WebAuthnName() string {
+	return user.Email
+}
+
+// WebAuthnDisplayName 获得用于展示的用户名
+func (user User) WebAuthnDisplayName() string {
+	return user.Nick
+}
+
+// WebAuthnIcon 获得用户头像
+func (user User) WebAuthnIcon() string {
+	avatar, _ := url.Parse("/api/v3/user/avatar/" + hashid.HashID(user.ID, hashid.UserID) + "/l")
+	base := GetSiteURL()
+	base.Scheme = "https"
+	return base.ResolveReference(avatar).String()
+}
+
+// WebAuthnCredentials 获得已注册的验证器凭证
+func (user User) WebAuthnCredentials() []webauthn.Credential {
+	var res []webauthn.Credential
+	err := json.Unmarshal([]byte(user.Authn), &res)
+	if err != nil {
+		fmt.Println(err)
+	}
+	return res
+}
+
+// RegisterAuthn 添加新的验证器
+func (user *User) RegisterAuthn(credential *webauthn.Credential) error {
+	exists := user.WebAuthnCredentials()
+	exists = append(exists, *credential)
+	res, err := json.Marshal(exists)
+	if err != nil {
+		return err
+	}
+
+	return DB.Model(user).Update("authn", string(res)).Error
+}
+
+// RemoveAuthn 删除验证器
+func (user *User) RemoveAuthn(id string) {
+	exists := user.WebAuthnCredentials()
+	for i := 0; i < len(exists); i++ {
+		idEncoded := base64.StdEncoding.EncodeToString(exists[i].ID)
+		if idEncoded == id {
+			exists[len(exists)-1], exists[i] = exists[i], exists[len(exists)-1]
+			exists = exists[:len(exists)-1]
+			break
+		}
+	}
+
+	res, _ := json.Marshal(exists)
+	DB.Model(user).Update("authn", string(res))
+}
--- a/models/webdav.go
+++ b/models/webdav.go
@@ -0,0 +1,53 @@
+package model
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+// Webdav 应用账户
+type Webdav struct {
+	gorm.Model
+	Name     string // 应用名称
+	Password string `gorm:"unique_index:password_only_on"` // 应用密码
+	UserID   uint   `gorm:"unique_index:password_only_on"` // 用户ID
+	Root     string `gorm:"type:text"`                     // 根目录
+	Readonly bool   `gorm:"type:bool"`                     // 是否只读
+	UseProxy bool   `gorm:"type:bool"`                     // 是否进行反代
+}
+
+// Create 创建账户
+func (webdav *Webdav) Create() (uint, error) {
+	if err := DB.Create(webdav).Error; err != nil {
+		return 0, err
+	}
+	return webdav.ID, nil
+}
+
+// GetWebdavByPassword 根据密码和用户查找Webdav应用
+func GetWebdavByPassword(password string, uid uint) (*Webdav, error) {
+	webdav := &Webdav{}
+	res := DB.Where("user_id = ? and password = ?", uid, password).First(webdav)
+	return webdav, res.Error
+}
+
+// ListWebDAVAccounts 列出用户的所有账号
+func ListWebDAVAccounts(uid uint) []Webdav {
+	var accounts []Webdav
+	DB.Where("user_id = ?", uid).Order("created_at desc").Find(&accounts)
+	return accounts
+}
+
+// DeleteWebDAVAccountByID 根据账户ID和UID删除账户
+func DeleteWebDAVAccountByID(id, uid uint) {
+	DB.Where("user_id = ? and id = ?", uid, id).Delete(&Webdav{})
+}
+
+// UpdateWebDAVAccountByID 根据账户ID和UID更新账户
+func UpdateWebDAVAccountByID(id, uid uint, updates map[string]interface{}) {
+	DB.Model(&Webdav{Model: gorm.Model{ID: id}, UserID: uid}).Updates(updates)
+}
+
+// UpdateWebDAVAccountReadonlyByID 根据账户ID和UID更新账户的只读性
+func UpdateWebDAVAccountReadonlyByID(id, uid uint, readonly bool) {
+	DB.Model(&Webdav{Model: gorm.Model{ID: id}, UserID: uid}).UpdateColumn("readonly", readonly)
+}