diff --git a/examples/client-mock/frontend/src/models/client.ts b/examples/client-mock/frontend/src/models/client.ts
index 2b35f2e..559f8de 100644
--- a/examples/client-mock/frontend/src/models/client.ts
+++ b/examples/client-mock/frontend/src/models/client.ts
@@ -9,12 +9,12 @@ export const client = new HttpClient(serviceProto, {
 });
 
 // Client Mock
-client.flows.preCallApiFlow.push(v => {
+client.flows.preCallApiFlow.push(async v => {
     // 有对应的 MockAPI 则 Mock，否则请求真实后端
     let mockApi = mockApis[v.apiName];
     if (mockApi) {
         client.logger?.log('[MockReq]', v.apiName, v.req);
-        v.return = mockApi!(v.req as any);
+        v.return = await mockApi!(v.req as any);
         client.logger?.log('[MockRes]', v.apiName, v.return);
     }
 
diff --git a/examples/client-mock/frontend/src/models/mockApis.ts b/examples/client-mock/frontend/src/models/mockApis.ts
index c5c8cea..e4a829b 100644
--- a/examples/client-mock/frontend/src/models/mockApis.ts
+++ b/examples/client-mock/frontend/src/models/mockApis.ts
@@ -10,7 +10,9 @@ const data: {
 }[] = [];
 
 // { 接口名: (req: 请求) => 响应 }
-export const mockApis: { [K in keyof ServiceType['api']]?: (req: ServiceType['api'][K]['req']) => ApiReturn<ServiceType['api'][K]['res']> } = {
+export const mockApis: {
+    [K in keyof ServiceType['api']]?: (req: ServiceType['api'][K]['req']) => ApiReturn<ServiceType['api'][K]['res']> | Promise<ApiReturn<ServiceType['api'][K]['res']>>
+} = {
     AddData: req => {
         let time = new Date();
         data.unshift({ content: req.content, time: time })
@@ -20,7 +22,12 @@ export const mockApis: { [K in keyof ServiceType['api']]?: (req: ServiceType['ap
         }
     },
 
-    GetData: req => {
+    GetData: async req => {
+        // 模拟 1 秒延时
+        await new Promise(rs => {
+            setTimeout(rs, 1000);
+        })
+
         return {
             isSucc: true,
             res: {