diff --git a/backend/meetings/migrations/0003_meeting_expires_at.py b/backend/meetings/migrations/0003_meeting_expires_at.py
new file mode 100644
index 00000000..5b023950
--- /dev/null
+++ b/backend/meetings/migrations/0003_meeting_expires_at.py
@@ -0,0 +1,18 @@
+# Generated by Django 6.0.3 on 2026-04-05 01:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("meetings", "0002_meeting_host_agent_id_meeting_host_instance_id_and_more"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="meeting",
+            name="expires_at",
+            field=models.DateTimeField(blank=True, null=True, verbose_name="过期时间"),
+        ),
+    ]
diff --git a/frontend/node_modules/.cache/.eslintcache b/frontend/node_modules/.cache/.eslintcache
index f24da150..e317d12b 100644
--- a/frontend/node_modules/.cache/.eslintcache
+++ b/frontend/node_modules/.cache/.eslintcache
@@ -1 +1 @@
-[{"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/index.js":"1","/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/App.js":"2"},{"size":232,"mtime":1775265162529,"results":"3","hashOfConfig":"4"},{"size":19499,"mtime":1775294803463,"results":"5","hashOfConfig":"4"},{"filePath":"6","messages":"7","suppressedMessages":"8","errorCount":0,"fatalErrorCount":0,"warningCount":0,"fixableErrorCount":0,"fixableWarningCount":0},"1sir4jg",{"filePath":"9","messages":"10","suppressedMessages":"11","errorCount":0,"fatalErrorCount":0,"warningCount":0,"fixableErrorCount":0,"fixableWarningCount":0},"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/index.js",[],[],"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/App.js",[],[]]
\ No newline at end of file
+[{"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/index.js":"1","/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/App.js":"2"},{"size":232,"mtime":1775265162529,"results":"3","hashOfConfig":"4"},{"size":19499,"mtime":1775343974253,"results":"5","hashOfConfig":"4"},{"filePath":"6","messages":"7","suppressedMessages":"8","errorCount":0,"fatalErrorCount":0,"warningCount":0,"fixableErrorCount":0,"fixableWarningCount":0},"1sir4jg",{"filePath":"9","messages":"10","suppressedMessages":"11","errorCount":0,"fatalErrorCount":0,"warningCount":0,"fixableErrorCount":0,"fixableWarningCount":0},"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/index.js",[],[],"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/App.js",[],[]]
\ No newline at end of file
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diff --git a/frontend/node_modules/.cache/default-development/index.pack b/frontend/node_modules/.cache/default-development/index.pack
index 9cd51d5f..1bc37ddb 100644
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