diff --git a/core/core-decorator/src/decorator/MultiInstanceProto.ts b/core/core-decorator/src/decorator/MultiInstanceProto.ts
index ec76110a..fc638af0 100644
--- a/core/core-decorator/src/decorator/MultiInstanceProto.ts
+++ b/core/core-decorator/src/decorator/MultiInstanceProto.ts
@@ -52,17 +52,18 @@ export function MultiInstanceProto(param: MultiInstancePrototypeParams) {
       const property: EggMultiInstancePrototypeInfo = {
         ...DEFAULT_PARAMS,
         ...param as MultiInstancePrototypeStaticParams,
+        className: clazz.name,
       };
       PrototypeUtil.setMultiInstanceStaticProperty(clazz, property);
     } else if ((param as MultiInstancePrototypeCallbackParams).getObjects) {
       const property: EggMultiInstanceCallbackPrototypeInfo = {
         ...DEFAULT_PARAMS,
         ...param as MultiInstancePrototypeCallbackParams,
+        className: clazz.name,
       };
       PrototypeUtil.setMultiInstanceCallbackProperty(clazz, property);
     }
 
-
     // './tegg/core/common-util/src/StackUtil.ts',
     // './tegg/core/core-decorator/src/decorator/Prototype.ts',
     // './tegg/core/core-decorator/node_modules/_reflect-metadata@0.1.13@reflect-metadata/Reflect.js',
diff --git a/core/core-decorator/src/model/EggMultiInstancePrototypeInfo.ts b/core/core-decorator/src/model/EggMultiInstancePrototypeInfo.ts
index b3a1ea96..89e90a12 100644
--- a/core/core-decorator/src/model/EggMultiInstancePrototypeInfo.ts
+++ b/core/core-decorator/src/model/EggMultiInstancePrototypeInfo.ts
@@ -13,6 +13,10 @@ export interface MultiInstancePrototypeGetObjectsContext {
 }
 
 export interface EggMultiInstancePrototypeInfo {
+  /**
+   * The class name of the object
+   */
+  className: string;
   /**
    * obj init type
    */
@@ -33,6 +37,10 @@ export interface EggMultiInstancePrototypeInfo {
 }
 
 export interface EggMultiInstanceCallbackPrototypeInfo {
+  /**
+   * The class name of the object
+   */
+  className: string;
   /**
    * obj init type
    */
diff --git a/core/core-decorator/src/model/EggPrototypeInfo.ts b/core/core-decorator/src/model/EggPrototypeInfo.ts
index 53779c3e..52762e18 100644
--- a/core/core-decorator/src/model/EggPrototypeInfo.ts
+++ b/core/core-decorator/src/model/EggPrototypeInfo.ts
@@ -10,6 +10,10 @@ export interface EggPrototypeInfo {
    * egg object name
    */
   name: EggPrototypeName;
+  /**
+   * The class name of the object
+   */
+  className: string;
   /**
    * obj init type
    */
@@ -26,8 +30,4 @@ export interface EggPrototypeInfo {
    * EggPrototype qualifiers
    */
   qualifiers?: QualifierInfo[];
-  /**
-   * The class name of the object
-   */
-  className?: string;
 }
diff --git a/core/metadata/src/factory/EggPrototypeCreatorFactory.ts b/core/metadata/src/factory/EggPrototypeCreatorFactory.ts
index aa8760d1..a3efb42f 100644
--- a/core/metadata/src/factory/EggPrototypeCreatorFactory.ts
+++ b/core/metadata/src/factory/EggPrototypeCreatorFactory.ts
@@ -28,6 +28,7 @@ export class EggPrototypeCreatorFactory {
           initType: multiInstanceProtoInfo.initType,
           accessLevel: multiInstanceProtoInfo.accessLevel,
           qualifiers: obj.qualifiers,
+          className: multiInstanceProtoInfo.className,
         });
       }
     } else {
diff --git a/core/metadata/src/impl/EggPrototypeBuilder.ts b/core/metadata/src/impl/EggPrototypeBuilder.ts
index 48e6a153..a4c64605 100644
--- a/core/metadata/src/impl/EggPrototypeBuilder.ts
+++ b/core/metadata/src/impl/EggPrototypeBuilder.ts
@@ -40,6 +40,7 @@ export class EggPrototypeBuilder {
   private injectObjects: Array<InjectObject> = [];
   private loadUnit: LoadUnit;
   private qualifiers: QualifierInfo[] = [];
+  private className: string;
 
   static create(ctx: EggPrototypeLifecycleContext): EggPrototype {
     const { clazz, loadUnit } = ctx;
@@ -48,6 +49,7 @@ export class EggPrototypeBuilder {
     const builder = new EggPrototypeBuilder();
     builder.clazz = clazz;
     builder.name = ctx.prototypeInfo.name;
+    builder.className = ctx.prototypeInfo.className;
     builder.initType = ctx.prototypeInfo.initType;
     builder.accessLevel = ctx.prototypeInfo.accessLevel;
     builder.filepath = filepath!;
@@ -131,6 +133,7 @@ export class EggPrototypeBuilder {
       injectObjectProtos,
       this.loadUnit.id,
       this.qualifiers,
+      this.className,
     );
   }
 }
diff --git a/core/metadata/src/impl/EggPrototypeImpl.ts b/core/metadata/src/impl/EggPrototypeImpl.ts
index 6d0d8fe5..e14ef9d0 100644
--- a/core/metadata/src/impl/EggPrototypeImpl.ts
+++ b/core/metadata/src/impl/EggPrototypeImpl.ts
@@ -20,6 +20,7 @@ export class EggPrototypeImpl implements EggPrototype {
   readonly accessLevel: AccessLevel;
   readonly injectObjects: InjectObjectProto[];
   readonly loadUnitId: Id;
+  readonly className: string;
 
   constructor(
     id: string,
@@ -31,6 +32,7 @@ export class EggPrototypeImpl implements EggPrototype {
     injectObjectMap: InjectObjectProto[],
     loadUnitId: Id,
     qualifiers: QualifierInfo[],
+    className: string,
   ) {
     this.id = id;
     this.clazz = clazz;
@@ -41,6 +43,7 @@ export class EggPrototypeImpl implements EggPrototype {
     this.injectObjects = injectObjectMap;
     this.loadUnitId = loadUnitId;
     this.qualifiers = qualifiers;
+    this.className = className;
   }
 
   verifyQualifiers(qualifiers: QualifierInfo[]): boolean {
diff --git a/core/metadata/src/model/EggPrototype.ts b/core/metadata/src/model/EggPrototype.ts
index 790f2aed..73d8c817 100644
--- a/core/metadata/src/model/EggPrototype.ts
+++ b/core/metadata/src/model/EggPrototype.ts
@@ -45,6 +45,7 @@ export interface EggPrototype extends LifecycleObject<EggPrototypeLifecycleConte
   readonly accessLevel: AccessLevel;
   readonly loadUnitId: string;
   readonly injectObjects: InjectObjectProto[];
+  readonly className: string;
 
   /**
    * get metedata for key
diff --git a/core/metadata/test/LoadUnit.test.ts b/core/metadata/test/LoadUnit.test.ts
index 2c9a3a4c..008783fd 100644
--- a/core/metadata/test/LoadUnit.test.ts
+++ b/core/metadata/test/LoadUnit.test.ts
@@ -17,9 +17,10 @@ describe('test/LoadUnit/LoadUnit.test.ts', () => {
       const appRepoProto = loadUnit.getEggPrototype('appRepo', [{ attribute: InitTypeQualifierAttribute, value: ObjectInitType.SINGLETON }]);
       const sprintRepoProto = loadUnit.getEggPrototype('sprintRepo', [{ attribute: InitTypeQualifierAttribute, value: ObjectInitType.SINGLETON }]);
       const userRepoProto = loadUnit.getEggPrototype('userRepo', [{ attribute: InitTypeQualifierAttribute, value: ObjectInitType.SINGLETON }]);
-      assert(appRepoProto);
-      assert(sprintRepoProto);
-      assert(userRepoProto);
+      assert.strictEqual(appRepoProto.length, 1);
+      assert.strictEqual(appRepoProto[0].className, 'AppRepo');
+      assert.strictEqual(sprintRepoProto.length, 1);
+      assert.strictEqual(userRepoProto.length, 1);
       await LoadUnitFactory.destroyLoadUnit(loadUnit);
     });
 
@@ -92,6 +93,7 @@ describe('test/LoadUnit/LoadUnit.test.ts', () => {
       const foo2Prototype = loadUnit.getEggPrototype('foo', [{ attribute: FOO_ATTRIBUTE, value: 'foo2' }]);
       assert(foo1Prototype);
       assert(foo1Prototype.length === 1);
+      assert.strictEqual(foo1Prototype[0].className, 'FooLogger');
       assert(foo2Prototype);
       assert(foo2Prototype.length === 1);
       await LoadUnitFactory.destroyLoadUnit(loadUnit);