diff --git a/data/tsp_assistant.db b/data/tsp_assistant.db
index ebaa332..2df7fb7 100644
Binary files a/data/tsp_assistant.db and b/data/tsp_assistant.db differ
diff --git a/src/integrations/feishu_longconn_service.py b/src/integrations/feishu_longconn_service.py
index 652cda9..06e38b3 100644
--- a/src/integrations/feishu_longconn_service.py
+++ b/src/integrations/feishu_longconn_service.py
@@ -150,6 +150,9 @@ class FeishuLongConnService:
             for session in active_sessions:
                 if session.get('user_id') == session_user_id:
                     session_id = session.get('session_id')
+                    # 更新会话的 tenant_id（群可能重新绑定了租户）
+                    if session_id in chat_manager.active_sessions:
+                        chat_manager.active_sessions[session_id]['tenant_id'] = tenant_id
                     logger.info(f"✅ 找到已有会话: {session_id}")
                     break
 
diff --git a/src/web/blueprints/feishu_bot.py b/src/web/blueprints/feishu_bot.py
index ad9d993..3e721f9 100644
--- a/src/web/blueprints/feishu_bot.py
+++ b/src/web/blueprints/feishu_bot.py
@@ -117,6 +117,9 @@ def _process_message_in_background(app, event_data: dict):
             for session in active_sessions:
                 if session.get('user_id') == user_id:
                     session_id = session.get('session_id')
+                    # 更新会话的 tenant_id（群可能重新绑定了租户）
+                    if session_id in chat_manager.active_sessions:
+                        chat_manager.active_sessions[session_id]['tenant_id'] = tenant_id
                     logger.info(f"[Feishu Bot] 找到已有会话: {session_id}")
                     break
 
diff --git a/src/web/static/js/modules/tenants.js b/src/web/static/js/modules/tenants.js
index 1b32f8f..095e5b4 100644
--- a/src/web/static/js/modules/tenants.js
+++ b/src/web/static/js/modules/tenants.js
@@ -15,9 +15,7 @@ Object.assign(TSPDashboard.prototype, {
             }
 
             container.innerHTML = tenants.map(t => {
-                const feishuCfg = t.config?.feishu || {};
-                const groupCount = (feishuCfg.chat_groups || []).length;
-                const hasFeishu = feishuCfg.app_id || groupCount > 0;
+                const chatGroups = t.config?.feishu?.chat_groups || [];
                 return `
                 <div class="card mb-2">
                     <div class="card-body d-flex justify-content-between align-items-center py-2">
@@ -26,10 +24,10 @@ Object.assign(TSPDashboard.prototype, {
                             <span class="text-muted ms-2">(${t.tenant_id})</span>
                             ${t.description ? `<br><small class="text-muted">${t.description}</small>` : ''}
                             ${!t.is_active ? '<span class="badge bg-secondary ms-2">已禁用</span>' : ''}
-                            ${hasFeishu ? `<span class="badge bg-info ms-2"><i class="fas fa-robot me-1"></i>飞书${groupCount > 0 ? ` (${groupCount}群)` : ''}</span>` : ''}
+                            ${chatGroups.length > 0 ? `<span class="badge bg-info ms-2"><i class="fas fa-comments me-1"></i>${chatGroups.length} 个飞书群</span>` : '<span class="badge bg-light text-muted ms-2">未绑定飞书群</span>'}
                         </div>
                         <div class="btn-group btn-group-sm">
-                            <button class="btn btn-outline-primary" onclick="dashboard.showEditTenantModal('${t.tenant_id}', '${(t.name || '').replace(/'/g, "\\'")}', '${(t.description || '').replace(/'/g, "\\'")}')">
+                            <button class="btn btn-outline-primary" onclick="dashboard.showEditTenantModal('${t.tenant_id}')">
                                 <i class="fas fa-edit"></i>
                             </button>
                             ${t.tenant_id !== 'default' ? `
@@ -54,33 +52,30 @@ Object.assign(TSPDashboard.prototype, {
         document.getElementById('tenant-id-group').style.display = '';
         document.getElementById('tenant-name-input').value = '';
         document.getElementById('tenant-desc-input').value = '';
-        document.getElementById('tenant-feishu-appid').value = '';
-        document.getElementById('tenant-feishu-appsecret').value = '';
         document.getElementById('tenant-feishu-chatgroups').value = '';
         new bootstrap.Modal(document.getElementById('tenantModal')).show();
     },
 
-    async showEditTenantModal(tenantId, name, description) {
+    async showEditTenantModal(tenantId) {
         document.getElementById('tenantModalTitle').textContent = '编辑租户';
         document.getElementById('tenant-edit-id').value = tenantId;
         document.getElementById('tenant-id-input').value = tenantId;
         document.getElementById('tenant-id-input').disabled = true;
-        document.getElementById('tenant-name-input').value = name;
-        document.getElementById('tenant-desc-input').value = description;
+        document.getElementById('tenant-id-group').style.display = 'none';
 
-        // 加载租户的飞书配置
+        // 加载租户完整数据
         try {
             const resp = await fetch('/api/tenants');
             const tenants = await resp.json();
             const tenant = tenants.find(t => t.tenant_id === tenantId);
-            const feishuCfg = tenant?.config?.feishu || {};
-            document.getElementById('tenant-feishu-appid').value = feishuCfg.app_id || '';
-            document.getElementById('tenant-feishu-appsecret').value = feishuCfg.app_secret || '';
-            document.getElementById('tenant-feishu-chatgroups').value = (feishuCfg.chat_groups || []).join('\n');
+            if (tenant) {
+                document.getElementById('tenant-name-input').value = tenant.name || '';
+                document.getElementById('tenant-desc-input').value = tenant.description || '';
+                const chatGroups = tenant.config?.feishu?.chat_groups || [];
+                document.getElementById('tenant-feishu-chatgroups').value = chatGroups.join('\n');
+            }
         } catch (e) {
-            document.getElementById('tenant-feishu-appid').value = '';
-            document.getElementById('tenant-feishu-appsecret').value = '';
-            document.getElementById('tenant-feishu-chatgroups').value = '';
+            console.warn('加载租户数据失败:', e);
         }
 
         new bootstrap.Modal(document.getElementById('tenantModal')).show();
@@ -92,24 +87,32 @@ Object.assign(TSPDashboard.prototype, {
         const name = document.getElementById('tenant-name-input').value.trim();
         const description = document.getElementById('tenant-desc-input').value.trim();
 
-        // 飞书配置
-        const feishuAppId = document.getElementById('tenant-feishu-appid').value.trim();
-        const feishuAppSecret = document.getElementById('tenant-feishu-appsecret').value.trim();
+        // 飞书群绑定
         const chatGroupsText = document.getElementById('tenant-feishu-chatgroups').value.trim();
         const chatGroups = chatGroupsText ? chatGroupsText.split('\n').map(s => s.trim()).filter(Boolean) : [];
 
-        const config = {};
-        if (feishuAppId || feishuAppSecret || chatGroups.length > 0) {
-            config.feishu = {};
-            if (feishuAppId) config.feishu.app_id = feishuAppId;
-            if (feishuAppSecret) config.feishu.app_secret = feishuAppSecret;
-            if (chatGroups.length > 0) config.feishu.chat_groups = chatGroups;
+        // 构建 config，保留已有的非 feishu 配置
+        let existingConfig = {};
+        if (editId) {
+            try {
+                const resp = await fetch('/api/tenants');
+                const tenants = await resp.json();
+                const tenant = tenants.find(t => t.tenant_id === editId);
+                existingConfig = tenant?.config || {};
+            } catch (e) {}
+        }
+        const config = { ...existingConfig };
+        if (chatGroups.length > 0) {
+            config.feishu = { ...(config.feishu || {}), chat_groups: chatGroups };
+        } else {
+            // 清空飞书群绑定
+            if (config.feishu) {
+                delete config.feishu.chat_groups;
+                if (Object.keys(config.feishu).length === 0) delete config.feishu;
+            }
         }
 
-        if (!name) {
-            this.showNotification('租户名称不能为空', 'error');
-            return;
-        }
+        if (!name) { this.showNotification('租户名称不能为空', 'error'); return; }
 
         try {
             let response;
@@ -120,10 +123,7 @@ Object.assign(TSPDashboard.prototype, {
                     body: JSON.stringify({ name, description, config })
                 });
             } else {
-                if (!tenantId) {
-                    this.showNotification('租户标识不能为空', 'error');
-                    return;
-                }
+                if (!tenantId) { this.showNotification('租户标识不能为空', 'error'); return; }
                 response = await fetch('/api/tenants', {
                     method: 'POST',
                     headers: { 'Content-Type': 'application/json' },
@@ -154,6 +154,7 @@ Object.assign(TSPDashboard.prototype, {
             if (data.success) {
                 this.showNotification('租户已删除', 'success');
                 this.loadTenantList();
+                this.populateTenantSelectors();
             } else {
                 this.showNotification(data.error || '删除失败', 'error');
             }