diff --git a/admin/dashboard/templates/system_llm.html b/admin/dashboard/templates/system_llm.html
index 4de79e7..3604102 100644
--- a/admin/dashboard/templates/system_llm.html
+++ b/admin/dashboard/templates/system_llm.html
@@ -87,7 +87,12 @@
             <el-card v-for="(item, index) in catalog.dify_apps" :key="item.uid" class="entry-card" shadow="never">
                 <div slot="header" class="entry-header">
                     <strong>{% raw %}{{ item.name || `DifyApp ${index + 1}` }}{% endraw %}</strong>
-                    <el-button type="text" class="danger-text" @click="removeDifyApp(index)">删除</el-button>
+                    <div class="entry-actions">
+                        <el-button type="text" @click="item.advanced_open = !item.advanced_open">
+                            {% raw %}{{ item.advanced_open ? '收起高级配置' : '展开高级配置' }}{% endraw %}
+                        </el-button>
+                        <el-button type="text" class="danger-text" @click="removeDifyApp(index)">删除</el-button>
+                    </div>
                 </div>
                 <div class="entry-grid">
                     <el-input v-model="item.name" placeholder="应用名，例如：chat_main"></el-input>
@@ -102,6 +107,15 @@
                     </el-input>
                     <el-input v-model="item.workflow_output_key" placeholder="workflow_output_key，例如：text"></el-input>
                 </div>
+                <div class="advanced-panel" v-if="item.advanced_open">
+                    <div class="advanced-title">高级覆盖项（可选）</div>
+                    <div class="entry-grid">
+                        <el-input v-model="item.config.mode" placeholder="覆盖 mode（可选）"></el-input>
+                        <el-input v-model="item.config.endpoint" placeholder="覆盖 endpoint（可选）"></el-input>
+                        <el-input v-model="item.config.response_mode" placeholder="覆盖 response_mode（可选）"></el-input>
+                        <el-input-number v-model="item.config.request_timeout" :min="1" :step="1" placeholder="覆盖 request_timeout（可选）"></el-input-number>
+                    </div>
+                </div>
             </el-card>
         </div>
         <el-empty v-else description="暂无 Dify 应用"></el-empty>
@@ -255,6 +269,7 @@
             newDifyApp() {
                 return {
                     uid: this.newUid(),
+                    advanced_open: false,
                     name: '',
                     provider_template: '',
                     app_key: '',
@@ -305,6 +320,7 @@
             normalizeDifyApp(item) {
                 return {
                     uid: this.newUid(),
+                    advanced_open: false,
                     name: item.name || '',
                     provider_template: item.provider_template || '',
                     app_key: item.app_key || '',
@@ -439,6 +455,7 @@
                     dify_apps: (this.catalog.dify_apps || []).map(item => {
                         const cleaned = { ...item };
                         delete cleaned.uid;
+                        delete cleaned.advanced_open;
                         return cleaned;
                     }),
                     backends: (this.catalog.backends || []).map(item => {
@@ -499,7 +516,21 @@
     .section-list { display: flex; flex-direction: column; gap: 12px; }
     .entry-card { border: 1px solid rgba(148,163,184,0.16); border-radius: 14px; }
     .entry-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
+    .entry-actions { display: flex; align-items: center; gap: 10px; }
     .entry-grid { display: grid; grid-template-columns: repeat(2, minmax(220px, 1fr)); gap: 10px 14px; }
+    .advanced-panel {
+        margin-top: 12px;
+        padding: 12px;
+        border-radius: 10px;
+        border: 1px dashed rgba(148,163,184,0.5);
+        background: rgba(148,163,184,0.06);
+    }
+    .advanced-title {
+        font-size: 12px;
+        color: #475569;
+        margin-bottom: 10px;
+        font-weight: 600;
+    }
     .scene-row {
         display: grid;
         grid-template-columns: minmax(260px, 1fr) minmax(160px, 220px) minmax(220px, 1fr) auto;