diff --git a/packages/ioc/test/index.test.ts b/packages/ioc/test/index.test.ts
index f03a77e..5bd905b 100644
--- a/packages/ioc/test/index.test.ts
+++ b/packages/ioc/test/index.test.ts
@@ -1,113 +1,111 @@
 import { Autowired, ClassWrapper, ConstantWrapper, Container, Inject, Injectable, InjectableWatermark, InjectWatermark, Optional, PostConstruct } from '../src'
 import { AbstractBootstrap } from '../src/bootstrap'
 
-process.on('unhandledRejection', (reason, promise) => {
-  console.error('Unhandled Rejection at:', promise, 'reason:', reason)
-})
+describe('ioc', () => {
+  it('should automatic analyze deps', () => {
+    @Injectable()
+    class BarService {
+    }
 
-it('should automatic analyze deps', () => {
-  @Injectable()
-  class BarService {
-  }
+    @Injectable()
+    class FooService {
+      constructor(
+        barService: BarService,
+        @Inject()
+        bazService: BarService,
+        @Inject()
+        @Optional()
+        existService: Object,
+        @Autowired()
+        baz2Service: BarService,
+        container: Container,
+        @Autowired(InjectableWatermark)
+        private readonly injectableWatermark: string,
+      ) {
+        expect(barService).toBeInstanceOf(BarService)
+        expect(bazService).toBeInstanceOf(BarService)
+        expect(baz2Service).toBeInstanceOf(BarService)
+        expect(container).toBeInstanceOf(Container)
+        expect(injectableWatermark).toBe(InjectableWatermark)
 
-  @Injectable()
-  class FooService {
-    constructor(
-      barService: BarService,
-      @Inject()
-      bazService: BarService,
-      @Inject()
-      @Optional()
-      existService: Object,
-      @Autowired()
-      baz2Service: BarService,
-      container: Container,
-      @Autowired(InjectableWatermark)
-      private readonly injectableWatermark: string,
-    ) {
-      expect(barService).toBeInstanceOf(BarService)
-      expect(bazService).toBeInstanceOf(BarService)
-      expect(baz2Service).toBeInstanceOf(BarService)
-      expect(container).toBeInstanceOf(Container)
-      expect(injectableWatermark).toBe(InjectableWatermark)
-
-      // 属性注入的时候，在constructor 里 thisBarService 还没有被注入
-      expect(this.container).toBeUndefined()
-      expect(this.injectWatermark).toBeUndefined()
-    }
+        // 属性注入的时候，在constructor 里 thisBarService 还没有被注入
+        expect(this.container).toBeUndefined()
+        expect(this.injectWatermark).toBeUndefined()
+      }
 
-    @Autowired()
-    container: Container
+      @Autowired()
+      container: Container
 
-    @Autowired(InjectWatermark)
-    injectWatermark: string
+      @Autowired(InjectWatermark)
+      injectWatermark: string
 
-    @PostConstruct()
-    postConstructFunc() {
-      // 在 postConstruct 里 thisBarService 已经被注入
-      expect(this.container).toBeInstanceOf(Container)
-      expect(this.injectWatermark).toBe(InjectWatermark)
+      @PostConstruct()
+      postConstructFunc() {
+        // 在 postConstruct 里 thisBarService 已经被注入
+        expect(this.container).toBeInstanceOf(Container)
+        expect(this.injectWatermark).toBe(InjectWatermark)
+      }
     }
-  }
 
-  class Bootstrap extends AbstractBootstrap {
-    async run(): Promise<any> {
-      this.enableInternalConstant()
+    class Bootstrap extends AbstractBootstrap {
+      async run(): Promise<any> {
+        this.enableInternalConstant()
 
-      const wrapper = this.createClassWrapper(FooService).save()
-      expect(wrapper.getMetadataScanner().isInjectable()).toBeTruthy()
-      expect(wrapper.getMetadataScanner().isFilter()).toBeFalsy()
-      const classFactory = wrapper.getClassFactory()
-      const constructorDeps = classFactory.getConstructorDependencies()
-      const propertyDeps = classFactory.getPropertyDependencies()
-      expect(propertyDeps.get('container')).toBeInstanceOf(ClassWrapper)
-      expect(constructorDeps[0]).toBeInstanceOf(ClassWrapper)
-      expect(constructorDeps[1]).toBeInstanceOf(ClassWrapper)
-      expect(constructorDeps[2]).toBeDefined()
-      expect(constructorDeps[3]).toBeInstanceOf(ClassWrapper)
+        const wrapper = this.createClassWrapper(FooService).save()
+        expect(wrapper.getMetadataScanner().isInjectable()).toBeTruthy()
+        expect(wrapper.getMetadataScanner().isFilter()).toBeFalsy()
+        const classFactory = wrapper.getClassFactory()
+        const constructorDeps = classFactory.getConstructorDependencies()
+        const propertyDeps = classFactory.getPropertyDependencies()
+        expect(propertyDeps.get('container')).toBeInstanceOf(ClassWrapper)
+        expect(constructorDeps[0]).toBeInstanceOf(ClassWrapper)
+        expect(constructorDeps[1]).toBeInstanceOf(ClassWrapper)
+        expect(constructorDeps[2]).toBeDefined()
+        expect(constructorDeps[3]).toBeInstanceOf(ClassWrapper)
 
-      const instance: FooService = classFactory.getOrCreateInstance()
-      expect(instance).toBeInstanceOf(FooService)
-      expect(instance.container).toBeInstanceOf(Container)
+        const instance: FooService = classFactory.getOrCreateInstance()
+        expect(instance).toBeInstanceOf(FooService)
+        expect(instance.container).toBeInstanceOf(Container)
+      }
     }
-  }
-  new Bootstrap().run()
-})
+    new Bootstrap().run()
+  })
 
-it('should create constant', () => {
-  class Bootstrap extends AbstractBootstrap {
-    async run() {
-      this.createConstantWrapper('foo', 'bar').save()
-      expect(this.getContainer().get('foo')).toBeInstanceOf(ConstantWrapper)
-      expect((this.getContainer().get('foo') as ConstantWrapper).getValue()).toBe('bar')
+  it('should create constant', () => {
+    class Bootstrap extends AbstractBootstrap {
+      async run() {
+        this.createConstantWrapper('foo', 'bar').save()
+        expect(this.getContainer().get('foo')).toBeInstanceOf(ConstantWrapper)
+        expect((this.getContainer().get('foo') as ConstantWrapper).getValue()).toBe('bar')
+      }
     }
-  }
-  new Bootstrap().run()
-})
+    new Bootstrap().run()
+  })
 
-it('should use a plugin', () => {
-  class Bootstrap extends AbstractBootstrap {
-    async run() {
-      this.use({
-        name: 'naily:test-plugin',
-        beforeRun(container) {
-          container.createConstantWrapper('foo2', 'bar2').save()
-          expect(container.getContainer().get('foo')).toBeInstanceOf(ConstantWrapper)
-          expect((container.getContainer().get('foo') as ConstantWrapper).getValue()).toBe('bar')
-        },
-      })
+  it('should use a plugin', () => {
+    class Bootstrap extends AbstractBootstrap {
+      async run() {
+        this.use({
+          name: 'naily:test-plugin',
+          beforeRun(container) {
+            container.createConstantWrapper('foo2', 'bar2').save()
+            expect(container.getContainer().get('foo')).toBeInstanceOf(ConstantWrapper)
+            expect((container.getContainer().get('foo') as ConstantWrapper).getValue()).toBe('bar')
+          },
+        })
+      }
     }
-  }
-  new Bootstrap().run()
-})
+    new Bootstrap().run()
+  })
 
-it('should replace container', () => {
-  class Bootstrap extends AbstractBootstrap {
-    async run() {
-      const map = new Map()
-      this.replaceContainer(map)
-      expect(this.getContainer()).toBe(map)
+  it('should replace container', () => {
+    class Bootstrap extends AbstractBootstrap {
+      async run() {
+        const map = new Map()
+        this.replaceContainer(map)
+        expect(this.getContainer()).toBe(map)
+      }
     }
-  }
-  new Bootstrap().run()
+    new Bootstrap().run()
+  })
 })