diff --git a/src/mocks/handlers/external.js b/src/mocks/handlers/external.js
new file mode 100644
index 00000000..6b68fd8e
--- /dev/null
+++ b/src/mocks/handlers/external.js
@@ -0,0 +1,25 @@
+// src/mocks/handlers/external.js
+// 外部服务 Mock Handler（允许通过）
+
+import { http, passthrough } from 'msw';
+
+/**
+ * 外部服务处理器
+ * 对于外部服务（如头像、CDN等），使用 passthrough 让请求正常发送到真实服务器
+ */
+export const externalHandlers = [
+  // Pravatar 头像服务 - 允许通过到真实服务
+  http.get('https://i.pravatar.cc/*', async () => {
+    return passthrough();
+  }),
+
+  // 如果需要 mock 头像，也可以返回一个占位图片
+  // http.get('https://i.pravatar.cc/*', async () => {
+  //   return HttpResponse.text(
+  //     '<svg width="150" height="150" xmlns="http://www.w3.org/2000/svg"><rect width="150" height="150" fill="#ddd"/><text x="50%" y="50%" text-anchor="middle" dy=".3em" fill="#999">Avatar</text></svg>',
+  //     {
+  //       headers: { 'Content-Type': 'image/svg+xml' }
+  //     }
+  //   );
+  // }),
+];
diff --git a/src/mocks/handlers/index.js b/src/mocks/handlers/index.js
index 530ac1b8..41699941 100644
--- a/src/mocks/handlers/index.js
+++ b/src/mocks/handlers/index.js
@@ -14,6 +14,7 @@ import { marketHandlers } from './market';
 import { financialHandlers } from './financial';
 import { limitAnalyseHandlers } from './limitAnalyse';
 import { posthogHandlers } from './posthog';
+import { externalHandlers } from './external';
 
 // 可以在这里添加更多的 handlers
 // import { userHandlers } from './user';
@@ -32,5 +33,6 @@ export const handlers = [
     ...financialHandlers,
     ...limitAnalyseHandlers,
     ...posthogHandlers,
+    ...externalHandlers,
     // ...userHandlers,
 ];
diff --git a/src/mocks/handlers/posthog.js b/src/mocks/handlers/posthog.js
index ded90097..ac1fc2d2 100644
--- a/src/mocks/handlers/posthog.js
+++ b/src/mocks/handlers/posthog.js
@@ -108,4 +108,25 @@ export const posthogHandlers = [
       );
     }
   }),
+
+  // PostHog feature flags 接口（特性标志查询）
+  http.post('https://us.i.posthog.com/flags/', async ({ request }) => {
+    try {
+      if (process.env.NODE_ENV === 'development' && process.env.REACT_APP_LOG_POSTHOG === 'true') {
+        console.log('[Mock] PostHog feature flags 请求:', request.url);
+      }
+
+      // 返回空的特性标志
+      return HttpResponse.json({
+        featureFlags: {},
+        featureFlagPayloads: {},
+      });
+    } catch (error) {
+      console.error('[Mock] PostHog flags handler error:', error);
+      return HttpResponse.json(
+        { featureFlags: {}, featureFlagPayloads: {} },
+        { status: 200 }
+      );
+    }
+  }),
 ];