diff --git a/packages/midway-mock/package.json b/packages/midway-mock/package.json
index 1f40066d435c..b93a32584b32 100644
--- a/packages/midway-mock/package.json
+++ b/packages/midway-mock/package.json
@@ -31,9 +31,9 @@
   ],
   "license": "MIT",
   "devDependencies": {
+    "@midwayjs/decorator": "^1.4.3",
     "injection": "^1.4.1",
-    "midway-bin": "^1.4.3",
-    "midway-core": "^1.4.3"
+    "midway-bin": "^1.4.3"
   },
   "dependencies": {
     "egg-mock": "^3.21.0",
diff --git a/packages/midway-mock/test/fixtures/base-app-decorator/src/lib/service.ts b/packages/midway-mock/test/fixtures/base-app-decorator/src/lib/service.ts
index 35db2eec8b83..d2bc5e67f451 100644
--- a/packages/midway-mock/test/fixtures/base-app-decorator/src/lib/service.ts
+++ b/packages/midway-mock/test/fixtures/base-app-decorator/src/lib/service.ts
@@ -1,5 +1,5 @@
 import {async, init, provide, inject} from 'injection';
-import {config, plugin} from 'midway-core';
+import {config, plugin} from '@midwayjs/decorator';
 
 @async()
 @provide()
diff --git a/packages/midway-mock/test/mock_container.test.ts b/packages/midway-mock/test/mock_container.test.ts
index 31a13dcdedb4..3e896a63de45 100644
--- a/packages/midway-mock/test/mock_container.test.ts
+++ b/packages/midway-mock/test/mock_container.test.ts
@@ -20,7 +20,7 @@ describe('test/mock_container.test.ts', () => {
     it('should mock service success', async () => {
       const service = await container.getAsync(BaseService);
       mm.default(service, 'getData', async name => {
-        return await new Promise(resolve => {
+        return new Promise(resolve => {
           setTimeout(() => {
             resolve(`hello ${name}`);
           }, 100);