diff --git a/app/models.py b/app/models.py
index e02777a..252946b 100644
--- a/app/models.py
+++ b/app/models.py
@@ -83,6 +83,8 @@ class Postcard(Base):
     # received
     sender_name = Column(String(64))
     receive_time = Column(DateTime)
+    # misc
+    notes = Column(Text, nullable=False, default="")
     # images
     showcase_hidden = Column(default=False, nullable=False)
     image_front = Column(String(256))
diff --git a/app/routers/web.py b/app/routers/web.py
index 21b3bb2..dbbe93b 100644
--- a/app/routers/web.py
+++ b/app/routers/web.py
@@ -529,6 +529,7 @@ def postcard_create(
     arrival_time: str = Form(""),
     sender_name: str = Form(""),
     receive_time: str = Form(""),
+    notes: str = Form(""),
     user: User = Depends(get_current_user_web),
     db: Session = Depends(get_db),
 ):
@@ -558,6 +559,7 @@ def postcard_create(
         arrival_time=_parse_dt(arrival_time),
         sender_name=sender_name or None,
         receive_time=_parse_dt(receive_time),
+        notes=notes.strip(),
     )
     db.add(pc)
     db.commit()
@@ -602,6 +604,7 @@ def postcard_update(
     arrival_time: str = Form(""),
     sender_name: str = Form(""),
     receive_time: str = Form(""),
+    notes: str = Form(""),
     user: User = Depends(get_current_user_web),
     db: Session = Depends(get_db),
 ):
@@ -634,6 +637,7 @@ def postcard_update(
     pc.arrival_time = None if status == "sent" else _parse_dt(arrival_time)
     pc.sender_name = sender_name or None
     pc.receive_time = _parse_dt(receive_time)
+    pc.notes = notes.strip()
     db.commit()
     return _redirect(f"/postcards/{postcard_id}")
 
diff --git a/app/static/style.css b/app/static/style.css
index ad44260..bf379f2 100644
--- a/app/static/style.css
+++ b/app/static/style.css
@@ -135,6 +135,7 @@ code { background: var(--bg); padding: .15rem .4rem; border-radius: 4px; font-si
 .detail-meta dl { display: grid; grid-template-columns: auto 1fr; gap: .3rem 1rem; }
 .detail-meta dt { font-weight: 600; font-size: .85rem; color: var(--text-muted); }
 .detail-meta dd { font-size: .95rem; }
+.detail-notes { margin-top: .75rem; padding: .5rem .75rem; background: var(--bg); border-radius: 6px; font-size: .88rem; color: var(--text-muted); white-space: pre-wrap; word-break: break-word; }
 
 /* Tabs */
 .tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 1rem; }
@@ -215,6 +216,7 @@ code { background: var(--bg); padding: .15rem .4rem; border-radius: 4px; font-si
 .postcard-row-action { flex-shrink: 0; }
 .postcard-row-date { font-size: .78rem; color: var(--text-muted); white-space: nowrap; }
 .postcard-row-detail { display: flex; flex-direction: column; gap: 0; font-size: .85rem; color: var(--text-muted); }
+.postcard-row-notes { font-size: .8rem; color: var(--text-muted); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
 .detail-title-row { display: flex; align-items: center; gap: .75rem; }
 .detail-title-row h1 { margin: 0; }
 .btn-back { padding: .35rem .6rem; font-size: 1rem; text-decoration: none; }
diff --git a/app/templates/postcard_detail.html b/app/templates/postcard_detail.html
index 522f47f..b92431a 100644
--- a/app/templates/postcard_detail.html
+++ b/app/templates/postcard_detail.html
@@ -61,6 +61,9 @@
             {% endif %}
             <dt>所属 Profile</dt><dd>{{ postcard.profile.nickname }}</dd>
         </dl>
+        {% if postcard.notes %}
+        <div class="detail-notes">{{ postcard.notes }}</div>
+        {% endif %}
     </div>
 </div>
 {% endblock %}
diff --git a/app/templates/postcard_form.html b/app/templates/postcard_form.html
index b01b9bb..37f5c4d 100644
--- a/app/templates/postcard_form.html
+++ b/app/templates/postcard_form.html
@@ -33,6 +33,9 @@
         <input type="date" name="receive_time" id="input-receive" value="{{ postcard.receive_time.strftime('%Y-%m-%d') if postcard and postcard.receive_time else '' }}">
     </div>
 
+    <label>备注</label>
+    <textarea name="notes" rows="3" placeholder="可选备注信息">{{ postcard.notes if postcard else '' }}</textarea>
+
     <div class="form-actions">
         <button type="submit" class="btn btn-primary">保存</button>
         <a href="/profiles/{{ profile.id }}/postcards" class="btn">取消</a>
diff --git a/app/templates/postcards.html b/app/templates/postcards.html
index be35fe9..19e83e1 100644
--- a/app/templates/postcards.html
+++ b/app/templates/postcards.html
@@ -44,6 +44,7 @@
             <span>{{ pc.country|flag }} {{ pc.country or '-' }}</span>
             <span>→ {{ pc.recipient_name or '-' }}</span>
         </div>
+        {% if pc.notes %}<span class="postcard-row-notes">{{ pc.notes[:50] }}{% if pc.notes|length > 50 %}…{% endif %}</span>{% endif %}
         <span class="badge badge-{{ pc.status }}">{{ {'sent':'已寄出','delivered':'已送达'}.get(pc.status) }}</span>
         <span class="postcard-row-date">
             {% if pc.send_time %}{{ pc.send_time.strftime('%Y-%m-%d') }}寄出{% endif %}
@@ -80,6 +81,7 @@
         <div class="postcard-row-detail">
             <span>← {{ pc.sender_name or '-' }}</span>
         </div>
+        {% if pc.notes %}<span class="postcard-row-notes">{{ pc.notes[:50] }}{% if pc.notes|length > 50 %}…{% endif %}</span>{% endif %}
         {% if pc.receive_time %}<span class="postcard-row-date">{{ pc.receive_time.strftime('%Y-%m-%d') }}收到</span>{% endif %}
     </div>
 </a>