diff --git a/apps/web/src/api/client.ts b/apps/web/src/api/client.ts
index 042e54a64..a6de7f408 100644
--- a/apps/web/src/api/client.ts
+++ b/apps/web/src/api/client.ts
@@ -54,11 +54,20 @@ apiClient.interceptors.response.use(
       handled = true;
     } else {
       const status = error.response?.status;
-      if (status && status >= 500) {
+      if (status === 413) {
+        message.error('文件过大，请缩小后重试');
+        handled = true;
+      } else if (status === 415) {
+        message.error('不支持的文件格式');
+        handled = true;
+      } else if (status === 503) {
+        message.error('服务暂不可用，请稍后再试');
+        handled = true;
+      } else if (status && status >= 500) {
         message.error('服务器繁忙，请稍后再试');
         handled = true;
       }
-      // 4xx 且无具体信息时不弹通用提示，由各组件自行处理
+      // 其他 4xx 且无具体信息时不弹通用提示，由各组件自行处理
     }
 
     // 标记已展示过提示，组件 onError 可据此跳过重复 toast
diff --git a/apps/web/src/pages/assets/AssetLibrary.tsx b/apps/web/src/pages/assets/AssetLibrary.tsx
index e3506f61a..173f620b4 100644
--- a/apps/web/src/pages/assets/AssetLibrary.tsx
+++ b/apps/web/src/pages/assets/AssetLibrary.tsx
@@ -38,6 +38,7 @@ import {
   deleteAsset,
   uploadAsset,
 } from '@/api/assets';
+import { getOrCreateDefaultProject } from '@/api/projects';
 
 const { Title, Text } = Typography;
 const { Dragger } = Upload;
@@ -71,6 +72,7 @@ const AssetLibrary: React.FC = () => {
   const [newLibKind, setNewLibKind] = useState<'video' | 'voice' | 'image'>(
     'video'
   );
+  const [uploading, setUploading] = useState(false);
 
   // 获取素材库列表
   const { data: libraries = [], isLoading: libsLoading } = useQuery({
@@ -125,10 +127,19 @@ const AssetLibrary: React.FC = () => {
       message.warning('请先选择素材库');
       return false;
     }
-    const formData = new FormData();
-    formData.append('file', file);
-    formData.append('library_id', activeLibrary);
-    await uploadMutation.mutateAsync(formData);
+    setUploading(true);
+    try {
+      const project = await getOrCreateDefaultProject();
+      const formData = new FormData();
+      formData.append('file', file);
+      formData.append('library_id', activeLibrary);
+      formData.append('project_id', project.id);
+      await uploadMutation.mutateAsync(formData);
+    } catch {
+      // uploadMutation.onError 已处理错误提示
+    } finally {
+      setUploading(false);
+    }
     return false;
   };
 
@@ -205,12 +216,15 @@ const AssetLibrary: React.FC = () => {
               beforeUpload={handleUpload}
               showUploadList={false}
               multiple
+              disabled={uploading || uploadMutation.isPending}
               style={{ marginBottom: 24 }}
             >
               <p className="ant-upload-drag-icon">
-                <InboxOutlined />
+                {uploading ? <Spin /> : <InboxOutlined />}
+              </p>
+              <p className="ant-upload-text">
+                {uploading ? '正在上传，请稍候...' : '点击或拖拽文件到此区域上传'}
               </p>
-              <p className="ant-upload-text">点击或拖拽文件到此区域上传</p>
               <p className="ant-upload-hint">
                 支持 {kindLabel[currentLib?.kind || 'video']} 格式文件
               </p>
diff --git a/apps/web/src/pages/generate/GeneratePage.tsx b/apps/web/src/pages/generate/GeneratePage.tsx
index 2002645ae..8f5fc8279 100644
--- a/apps/web/src/pages/generate/GeneratePage.tsx
+++ b/apps/web/src/pages/generate/GeneratePage.tsx
@@ -326,14 +326,14 @@ const GeneratePage: React.FC = () => {
           }}
         >
           <Button
-            disabled={currentStep === 0}
+            disabled={currentStep === 0 || generating}
             onClick={() => setCurrentStep((s) => s - 1)}
           >
             上一步
           </Button>
           <Button
             type="primary"
-            disabled={currentStep === steps.length - 1}
+            disabled={currentStep === steps.length - 1 || generating}
             onClick={() => setCurrentStep((s) => s + 1)}
           >
             下一步
diff --git a/apps/web/src/pages/subscription/Billing.tsx b/apps/web/src/pages/subscription/Billing.tsx
index 7dc2a8bbc..b86b8aaad 100644
--- a/apps/web/src/pages/subscription/Billing.tsx
+++ b/apps/web/src/pages/subscription/Billing.tsx
@@ -18,6 +18,7 @@ const Billing: React.FC = () => {
   const [subscription, setSubscription] = useState<SubscriptionInfo | null>(null);
   const [loading, setLoading] = useState(true);
   const [autoRenewChecked, setAutoRenewChecked] = useState(false);
+  const [autoRenewLoading, setAutoRenewLoading] = useState(false);
 
   useEffect(() => {
     loadData();
@@ -36,6 +37,7 @@ const Billing: React.FC = () => {
   };
 
   const handleToggleAutoRenew = async (checked: boolean) => {
+    setAutoRenewLoading(true);
     try {
       const res = await toggleAutoRenew(checked);
       message.success(res.message);
@@ -45,6 +47,8 @@ const Billing: React.FC = () => {
       }
     } catch (err: any) {
       if (!err?.__msgShown) message.error('操作失败');
+    } finally {
+      setAutoRenewLoading(false);
     }
   };
 
@@ -94,6 +98,7 @@ const Billing: React.FC = () => {
               <Switch
                 checked={autoRenewChecked}
                 onChange={handleToggleAutoRenew}
+                loading={autoRenewLoading}
                 checkedChildren="开"
                 unCheckedChildren="关"
               />
diff --git a/apps/web/src/pages/templates/TemplateLibrary.tsx b/apps/web/src/pages/templates/TemplateLibrary.tsx
index d49aa825b..a9127a082 100644
--- a/apps/web/src/pages/templates/TemplateLibrary.tsx
+++ b/apps/web/src/pages/templates/TemplateLibrary.tsx
@@ -158,6 +158,7 @@ const TemplateLibrary: React.FC = () => {
                         <StarOutlined />
                       )
                     }
+                    disabled={favMutation.isPending}
                     onClick={() => favMutation.mutate(template.id)}
                   />,
                 ]}
diff --git a/apps/web/src/pages/titles/TitleLibrary.tsx b/apps/web/src/pages/titles/TitleLibrary.tsx
index 92fca2e23..6823a1dfd 100644
--- a/apps/web/src/pages/titles/TitleLibrary.tsx
+++ b/apps/web/src/pages/titles/TitleLibrary.tsx
@@ -229,7 +229,21 @@ const TitleLibrary: React.FC = () => {
           <Spin size="large" />
         </div>
       ) : filteredTitles.length === 0 ? (
-        <Empty description={searchText ? '未找到匹配的标题' : '暂无标题'} />
+        <Empty description={searchText ? '未找到匹配的标题' : '暂无标题'}>
+          {!searchText && (
+            <Space>
+              <Button type="primary" onClick={openCreate}>
+                新建标题
+              </Button>
+              <Button
+                icon={<ImportOutlined />}
+                onClick={() => setImportModalOpen(true)}
+              >
+                批量导入
+              </Button>
+            </Space>
+          )}
+        </Empty>
       ) : (
         <Table
           columns={columns}