diff --git a/backend/requirements.txt b/backend/requirements.txt
index fa6d9a2..dfb2f96 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -33,3 +33,8 @@ transformers==4.57.1
 
 # Sentence Transformers（更新到最新稳定版本以修复 FutureWarning）
 sentence-transformers==5.1.2
+
+# PyTorch 版本锁定（用于打包环境）
+torch==2.8.0
+torchvision==0.23.0
+torchaudio==2.8.0
diff --git a/frontend/src/pages/ProjectList.tsx b/frontend/src/pages/ProjectList.tsx
index a022cfe..213a829 100644
--- a/frontend/src/pages/ProjectList.tsx
+++ b/frontend/src/pages/ProjectList.tsx
@@ -412,6 +412,11 @@ export default function ProjectList() {
           icon: <SettingOutlined />,
           label: 'API 设置',
         },
+        {
+          key: 'mumu-api',
+          icon: <ApiOutlined />,
+          label: 'MuMuのAPI',
+        },
       ],
     },
   ];
@@ -442,6 +447,11 @@ export default function ProjectList() {
       icon: <SettingOutlined />,
       label: 'API 设置',
     },
+    {
+      key: 'mumu-api',
+      icon: <ApiOutlined />,
+      label: 'MuMuのAPI',
+    },
   ];
 
   return (
@@ -550,6 +560,10 @@ export default function ProjectList() {
               selectedKeys={[activeView]}
               style={{ borderRight: 0, paddingTop: 12, width: '100%' }}
               onClick={({ key }) => {
+                if (key === 'mumu-api') {
+                  window.open('https://api.mumuverse.space', '_blank', 'noopener,noreferrer');
+                  return;
+                }
                 changeView(key as ProjectListView);
               }}
               items={collapsed ? sideMenuItemsCollapsed : sideMenuItems}
@@ -751,6 +765,11 @@ export default function ProjectList() {
               selectedKeys={[activeView]}
               style={{ borderRight: 0, paddingTop: 8 }}
               onClick={({ key }) => {
+                if (key === 'mumu-api') {
+                  window.open('https://api.mumuverse.space', '_blank', 'noopener,noreferrer');
+                  setDrawerVisible(false);
+                  return;
+                }
                 changeView(key as ProjectListView);
                 setDrawerVisible(false);
               }}
diff --git a/frontend/src/pages/Settings.tsx b/frontend/src/pages/Settings.tsx
index 5549dc0..1139ebd 100644
--- a/frontend/src/pages/Settings.tsx
+++ b/frontend/src/pages/Settings.tsx
@@ -280,12 +280,29 @@ export default function SettingsPage() {
     { value: 'openai', label: 'OpenAI Compatible', defaultUrl: 'https://api.openai.com/v1' },
     // { value: 'anthropic', label: 'Anthropic (Claude)', defaultUrl: 'https://api.anthropic.com' },
     { value: 'gemini', label: 'Google Gemini', defaultUrl: 'https://generativelanguage.googleapis.com/v1beta' },
+    {
+      value: 'mumu',
+      label: 'MuMuのAPI',
+      defaultUrl: 'https://api.mumuverse.space/v1',
+      defaultModel: 'gemini-3-flash-preview'
+    },
   ];
 
+  const selectedProvider = Form.useWatch('api_provider', form);
+  const selectedPresetProvider = Form.useWatch('api_provider', presetForm);
+
   const handleProviderChange = (value: string) => {
     const provider = apiProviders.find(p => p.value === value);
-    if (provider && provider.defaultUrl) {
-      form.setFieldValue('api_base_url', provider.defaultUrl);
+    if (provider) {
+      const nextValues: Record<string, string> = {};
+      if (provider.defaultUrl) {
+        nextValues.api_base_url = provider.defaultUrl;
+      }
+      if (provider.value === 'mumu') {
+        nextValues.api_key = '';
+        nextValues.llm_model = provider.defaultModel || 'gemini-3-flash-preview';
+      }
+      form.setFieldsValue(nextValues);
     }
     // 清空模型列表，需要重新获取
     setModelOptions([]);
@@ -488,8 +505,16 @@ export default function SettingsPage() {
   // 预设编辑窗口：提供商变更时更新默认URL并清空模型列表
   const handlePresetProviderChange = (value: string) => {
     const provider = apiProviders.find(p => p.value === value);
-    if (provider && provider.defaultUrl) {
-      presetForm.setFieldValue('api_base_url', provider.defaultUrl);
+    if (provider) {
+      const nextValues: Record<string, string> = {};
+      if (provider.defaultUrl) {
+        nextValues.api_base_url = provider.defaultUrl;
+      }
+      if (provider.value === 'mumu') {
+        nextValues.api_key = '';
+        nextValues.llm_model = provider.defaultModel || 'gemini-3-flash-preview';
+      }
+      presetForm.setFieldsValue(nextValues);
     }
     // 清空模型列表，需要重新获取
     setPresetModelOptions([]);
@@ -780,6 +805,8 @@ export default function SettingsPage() {
       //   return 'purple';
       case 'gemini':
         return 'green';
+      case 'mumu':
+        return 'magenta';
       default:
         return 'default';
     }
@@ -1050,6 +1077,30 @@ export default function SettingsPage() {
                             </Select>
                           </Form.Item>
 
+                          {selectedProvider === 'mumu' && (
+                            <Alert
+                              type="info"
+                              showIcon
+                              message="MuMuのAPI 专属供应商"
+                              description={
+                                <Space direction="vertical" size={8} style={{ width: '100%' }}>
+                                  <Text>
+                                    已自动填入专属地址，API Key 保持留空。免费注册后即可获取可用 Key。
+                                  </Text>
+                                  <div>
+                                    <Button
+                                      type="primary"
+                                      onClick={() => window.open('https://api.mumuverse.space', '_blank', 'noopener,noreferrer')}
+                                    >
+                                      打开 MuMuのAPI 站点免费注册
+                                    </Button>
+                                  </div>
+                                </Space>
+                              }
+                              style={{ marginBottom: 16 }}
+                            />
+                          )}
+
                           <Form.Item
                             label={
                               <Space size={4}>
@@ -1568,8 +1619,33 @@ export default function SettingsPage() {
                   <Select placeholder="选择提供商" onChange={handlePresetProviderChange}>
                     <Select.Option value="openai">OpenAI</Select.Option>
                     <Select.Option value="gemini">Google Gemini</Select.Option>
+                    <Select.Option value="mumu">MuMuのAPI</Select.Option>
                   </Select>
                 </Form.Item>
+
+                {selectedPresetProvider === 'mumu' && (
+                  <Alert
+                    type="info"
+                    showIcon
+                    message="MuMuのAPI 专属供应商"
+                    description={
+                      <Space direction="vertical" size={8} style={{ width: '100%' }}>
+                        <Text>
+                          已自动填入专属地址，API Key 保持留空。免费注册后即可获取可用 Key。
+                        </Text>
+                        <div>
+                          <Button
+                            type="primary"
+                            onClick={() => window.open('https://api.mumuverse.space', '_blank', 'noopener,noreferrer')}
+                          >
+                            打开 MuMuのAPI 站点免费注册
+                          </Button>
+                        </div>
+                      </Space>
+                    }
+                    style={{ marginBottom: 16 }}
+                  />
+                )}
               </Col>
             </Row>