diff --git a/packages/context/src/factory/applicationContext.ts b/packages/context/src/factory/applicationContext.ts
index 291bfb5f5437..0930e94f3301 100644
--- a/packages/context/src/factory/applicationContext.ts
+++ b/packages/context/src/factory/applicationContext.ts
@@ -290,7 +290,6 @@ export class BaseApplicationContext extends EventEmitter implements IApplication
 
     try {
       return g.to_dot();
-      // fs.writeSync(imagePath, g.to_dot());
     } catch (err) {
       console.error('generate injection dependency tree fail, err = ', err.message);
     }
diff --git a/packages/midway-core/src/loader.ts b/packages/midway-core/src/loader.ts
index aaf3a93b5be7..f0987ba0f000 100644
--- a/packages/midway-core/src/loader.ts
+++ b/packages/midway-core/src/loader.ts
@@ -204,4 +204,14 @@ export class MidwayLoader extends EggLoader {
     // 插件加载完毕
     this.pluginLoaded = true;
   }
+
+  getAppInfo() {
+    if (!this.appInfo) {
+      const appInfo = super.getAppInfo();
+      this.appInfo = Object.assign(appInfo, {
+        root: appInfo.env === 'local' || appInfo.env === 'unittest' ? this.appDir : appInfo.root
+      });
+    }
+    return this.appInfo;
+  }
 }
diff --git a/packages/midway-core/test/fixtures/base-app-function/src/config/plugin.ts b/packages/midway-core/test/fixtures/base-app-function/src/config/plugin.ts
index e598173ff4ea..077c3c1a4790 100644
--- a/packages/midway-core/test/fixtures/base-app-function/src/config/plugin.ts
+++ b/packages/midway-core/test/fixtures/base-app-function/src/config/plugin.ts
@@ -1,4 +1,4 @@
-const path = require('path');
+import * as path from 'path';
 
 module.exports = {
   // 默认开启的插件
@@ -10,4 +10,4 @@ module.exports = {
     enable: true,
     path: path.join(__dirname, '../plugins/plugin2'),
   }
-};
\ No newline at end of file
+};
diff --git a/packages/midway-core/test/loader.test.ts b/packages/midway-core/test/loader.test.ts
index ee1c614989cf..a5adced6abde 100644
--- a/packages/midway-core/test/loader.test.ts
+++ b/packages/midway-core/test/loader.test.ts
@@ -1,7 +1,7 @@
 const assert = require('assert');
 const request = require('supertest');
 const utils = require('./utils');
-const mm = require('mm');
+import * as path from 'path';
 
 describe('/test/loader.test.ts', () => {
 
@@ -16,6 +16,10 @@ describe('/test/loader.test.ts', () => {
 
     after(() => app.close());
 
+    it('should get config merge', () => {
+      assert(app.config.rundir, path.join(__dirname, './fixtures/enhance/base-app/run'));
+    });
+
     it('should load ts directory', (done) => {
       request(app.callback())
         .get('/api')
@@ -190,7 +194,7 @@ describe('/test/loader.test.ts', () => {
     it('disable js app loader should be ok', async () => {
       try {
         const reqCtx = await app.applicationContext.getAsync('requestContext');
-        reqCtx.updateContext({ logger: new Console });
+        reqCtx.updateContext({ logger: console });
         reqCtx.get('ctx');
         reqCtx.getAsync('logger');
       } catch (e) {
diff --git a/packages/midway-web/test/enhance.test.ts b/packages/midway-web/test/enhance.test.ts
index 0858baf7527f..c70bbfd97eb1 100644
--- a/packages/midway-web/test/enhance.test.ts
+++ b/packages/midway-web/test/enhance.test.ts
@@ -18,6 +18,10 @@ describe('/test/enhance.test.ts', () => {
 
     after(() => app.close());
 
+    it('should get config merge', () => {
+      assert(app.config.rundir, path.join(__dirname, './fixtures/enhance/base-app/run'));
+    });
+
     it('should load ts directory', (done) => {
       request(app.callback())
         .get('/api')