diff --git a/web/src/components/Analytics.tsx b/web/src/components/Analytics.tsx
index 835f870..c9c73c0 100644
--- a/web/src/components/Analytics.tsx
+++ b/web/src/components/Analytics.tsx
@@ -282,15 +282,27 @@ const Analytics: React.FC = () => {
           { id: '5', title: 'Content Creation Tips', views: 620, engagement: 57, platform: 'YouTube' }
         ]);
 
-        // 尝试从API获取漏斗数据
+        // 从API获取漏斗数据
         try {
-          // 使用选中的项目ID
-          const projectId = selectedProject; 
+          // 构建漏斗数据API URL
+          let url = `http://localhost:4000/api/analytics/kol-funnel?timeRange=${timeRange}`;
+          
+          // 添加项目过滤参数（如果选择了特定项目）
+          if (selectedProject !== 'all') {
+            url += `&projectId=${selectedProject}`;
+          }
+          
+          // 添加平台过滤参数（如果选择了特定平台）
+          if (selectedPlatform !== 'all') {
+            url += `&platform=${selectedPlatform}`;
+          }
           
           // 添加认证头
           const authToken = 'eyJhbGciOiJIUzI1NiIsImtpZCI6Inl3blNGYnRBOGtBUnl4UmUiLCJ0eXAiOiJKV1QifQ.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.VuUX2yhqN-FZseKL8fQG91i1cohfRqW2m1Z8CIWhZuk';
           
-          const response = await fetch(`http://localhost:4000/api/analytics/project/${projectId}/conversion-funnel?timeframe=${timeRange}`, {
+          console.log('请求漏斗数据URL:', url);
+          
+          const response = await fetch(url, {
             headers: {
               'accept': 'application/json',
               'Authorization': `Bearer ${authToken}`
@@ -298,51 +310,44 @@ const Analytics: React.FC = () => {
           });
           
           if (response.ok) {
-            const data = await response.json();
-            console.log('成功获取漏斗数据:', data);
+            const result = await response.json();
+            console.log('成功获取漏斗数据:', result);
             
-            if (data.funnel_data) {
-              setFunnelData(data.funnel_data);
-              
-              // 如果是模拟数据，在控制台显示提示
-              if (data.is_mock_data) {
-                console.info('注意: 使用的是模拟数据，因为无法连接到数据库或找不到项目');
+            if (result.success) {
+              // 检查API响应中是否有数据
+              if (result.data && Array.isArray(result.data)) {
+                // 将API返回的数据映射到FunnelData结构
+                setFunnelData(result.data.map((item: any) => ({
+                  stage: item.stage,
+                  count: item.count,
+                  rate: item.rate
+                })));
+                
+                // 如果API返回了模拟数据标志
+                if (result.is_mock_data) {
+                  console.info('注意: 使用的是模拟漏斗数据');
+                }
+              } else {
+                console.error('API返回的数据格式不正确:', result);
+                // 使用模拟数据作为后备
+                setFallbackFunnelData();
               }
             } else {
-              console.error('API返回的数据中没有funnel_data字段');
+              console.error('API调用失败:', result.error || '未知错误');
               // 使用模拟数据作为后备
-              setFunnelData([
-                { stage: 'Awareness', count: 10000, rate: 100 },
-                { stage: 'Interest', count: 7500, rate: 75 },
-                { stage: 'Consideration', count: 5000, rate: 50 },
-                { stage: 'Intent', count: 3000, rate: 30 },
-                { stage: 'Evaluation', count: 2000, rate: 20 },
-                { stage: 'Purchase', count: 1000, rate: 10 }
-              ]);
+              setFallbackFunnelData();
             }
           } else {
-            console.error('Failed to fetch funnel data from API, using mock data instead');
+            console.error('获取漏斗数据失败，HTTP状态:', response.status);
+            const errorText = await response.text();
+            console.error('错误详情:', errorText);
             // 使用模拟数据作为后备
-            setFunnelData([
-              { stage: 'Awareness', count: 10000, rate: 100 },
-              { stage: 'Interest', count: 7500, rate: 75 },
-              { stage: 'Consideration', count: 5000, rate: 50 },
-              { stage: 'Intent', count: 3000, rate: 30 },
-              { stage: 'Evaluation', count: 2000, rate: 20 },
-              { stage: 'Purchase', count: 1000, rate: 10 }
-            ]);
+            setFallbackFunnelData();
           }
         } catch (error) {
-          console.error('Error fetching funnel data:', error);
+          console.error('获取漏斗数据时发生错误:', error);
           // 使用模拟数据作为后备
-          setFunnelData([
-            { stage: 'Awareness', count: 10000, rate: 100 },
-            { stage: 'Interest', count: 7500, rate: 75 },
-            { stage: 'Consideration', count: 5000, rate: 50 },
-            { stage: 'Intent', count: 3000, rate: 30 },
-            { stage: 'Evaluation', count: 2000, rate: 20 },
-            { stage: 'Purchase', count: 1000, rate: 10 }
-          ]);
+          setFallbackFunnelData();
         }
 
         setLoading(false);
@@ -352,8 +357,20 @@ const Analytics: React.FC = () => {
       }
     };
 
+    // 添加辅助函数，设置后备漏斗数据
+    const setFallbackFunnelData = () => {
+      setFunnelData([
+        { stage: 'Awareness', count: 10000, rate: 100 },
+        { stage: 'Interest', count: 7500, rate: 75 },
+        { stage: 'Consideration', count: 5000, rate: 50 },
+        { stage: 'Intent', count: 3000, rate: 30 },
+        { stage: 'Evaluation', count: 2000, rate: 20 },
+        { stage: 'Purchase', count: 1000, rate: 10 }
+      ]);
+    };
+
     fetchAnalyticsData();
-  }, [timeRange, selectedProject, kolSortBy, kolSortOrder, kolPage, kolPageSize]); // 更新依赖项
+  }, [timeRange, selectedProject, kolSortBy, kolSortOrder, kolPage, kolPageSize, selectedPlatform]); // 更新依赖项，添加selectedPlatform
 
   // 当排序或筛选条件变化时，重置页码
   useEffect(() => {