diff --git a/app/templates/postcard_form.html b/app/templates/postcard_form.html
index 94aa4a3..76bcdf2 100644
--- a/app/templates/postcard_form.html
+++ b/app/templates/postcard_form.html
@@ -20,17 +20,17 @@
         <input type="text" name="recipient_name" value="{{ postcard.recipient_name if postcard else '' }}" required>
         <label>国家/地区 *</label>
         <input type="text" name="country" value="{{ postcard.country if postcard else '' }}" required maxlength="2" placeholder="JP" style="width:80px;text-transform:uppercase">
-        <label>寄出时间 *</label>
-        <input type="date" name="send_time" value="{{ postcard.send_time.strftime('%Y-%m-%d') if postcard and postcard.send_time else '' }}" required>
-        <label>到达时间 *</label>
-        <input type="date" name="arrival_time" value="{{ postcard.arrival_time.strftime('%Y-%m-%d') if postcard and postcard.arrival_time else '' }}" required>
+        <label>寄出时间</label>
+        <input type="date" name="send_time" value="{{ postcard.send_time.strftime('%Y-%m-%d') if postcard and postcard.send_time else '' }}">
+        <label>到达时间</label>
+        <input type="date" name="arrival_time" value="{{ postcard.arrival_time.strftime('%Y-%m-%d') if postcard and postcard.arrival_time else '' }}">
     </div>
 
     <div id="fields-received" style="display:none">
         <label>发件人 *</label>
         <input type="text" name="sender_name" value="{{ postcard.sender_name if postcard else '' }}" required>
-        <label>收到时间 *</label>
-        <input type="date" name="receive_time" value="{{ postcard.receive_time.strftime('%Y-%m-%d') if postcard and postcard.receive_time else '' }}" required>
+        <label>收到时间</label>
+        <input type="date" name="receive_time" value="{{ postcard.receive_time.strftime('%Y-%m-%d') if postcard and postcard.receive_time else '' }}">
     </div>
 
     <div class="form-actions">