diff --git a/mock-generate/src/generate/generateCommonUtil.ts b/mock-generate/src/generate/generateCommonUtil.ts
index 8d933828390b3db76a0a65a3b90aeaf54de384f5..bdc2431c8f1d0f5892168e3023737b60177b7b61 100644
--- a/mock-generate/src/generate/generateCommonUtil.ts
+++ b/mock-generate/src/generate/generateCommonUtil.ts
@@ -346,3 +346,23 @@ export function generateSymbolIterator(methodEntity: MethodEntity): string {
 
   return iteratorMethod;
 }
+
+/**
+ * generate callback property
+ * @param kindName
+ * @returns
+ */
+export function getCallbackPropertyReturn(kindName: string): any {
+  const genericTypeName = kindName.split('<')[1].split('>')[0];
+  if (genericTypeName === 'string') {
+    return `return ''`;
+  } else if (genericTypeName === 'number') {
+    return `return 0`;
+  } else if (genericTypeName === 'boolean') {
+    return `return true`;
+  } else if (genericTypeName === 'void') {
+    return '';
+  } else {
+    return `return ${genericTypeName}`;
+  }
+}
\ No newline at end of file
diff --git a/mock-generate/src/generate/generatePropertySignatureDeclaration.ts b/mock-generate/src/generate/generatePropertySignatureDeclaration.ts
index c69fefbafdc2cc09caeeeca811f061424fca3118..85ce8bbfb6ca98d9153cc96cdc70a2a21acee0e0 100644
--- a/mock-generate/src/generate/generatePropertySignatureDeclaration.ts
+++ b/mock-generate/src/generate/generatePropertySignatureDeclaration.ts
@@ -17,7 +17,7 @@ import { SourceFile, SyntaxKind } from 'typescript';
 import { PropertySignatureEntity } from '../declaration-node/propertySignatureDeclaration';
 import {
   checkIsGenericSymbol, getCallbackStatement, getTheRealReferenceFromImport,
-  getWarnConsole, propertyTypeWhiteList
+  getWarnConsole, propertyTypeWhiteList, getCallbackPropertyReturn
 } from './generateCommonUtil';
 
 /**
@@ -46,15 +46,21 @@ export function generatePropertySignatureDeclaration(rootName: string, propertyS
         propertySignature.propertyTypeName === 'bool' || propertySignature.propertyTypeName === 'Data') {
         propertySignatureBody = `${propertySignature.propertyName}: '[PC Preview] unkonwn ${propertySignature.propertyName}',`;
       } else {
-        if (propertySignature.propertyTypeName.includes('<')) {
-          const preSplit = propertySignature.propertyTypeName.split('<');
-          const genericArg = preSplit[preSplit.length - 1].split('>')[0];
-          propertySignatureBody = `${propertySignature.propertyName}: ${genericArg},`;
+        if (propertySignature.propertyTypeName.includes('Callback') && propertySignature.propertyTypeName.includes('<')
+            && propertySignature.propertyTypeName.includes('>')) {
+          const retVal = getCallbackPropertyReturn(propertySignature.propertyTypeName);
+          propertySignatureBody = `${propertySignature.propertyName}: ()=>{ ${retVal} }`;
         } else {
-          if (propertyTypeWhiteList(propertySignature.propertyTypeName) === propertySignature.propertyTypeName) {
-            propertySignatureBody = `${propertySignature.propertyName}: ${getTheRealReferenceFromImport(sourceFile, propertySignature.propertyTypeName)},`;
+          if (propertySignature.propertyTypeName.includes('<')) {
+            const preSplit = propertySignature.propertyTypeName.split('<');
+            const genericArg = preSplit[preSplit.length - 1].split('>')[0];
+            propertySignatureBody = `${propertySignature.propertyName}: ${genericArg},`;
           } else {
-            propertySignatureBody = `${propertySignature.propertyName}: ${propertyTypeWhiteList(propertySignature.propertyTypeName)},`;
+            if (propertyTypeWhiteList(propertySignature.propertyTypeName) === propertySignature.propertyTypeName) {
+              propertySignatureBody = `${propertySignature.propertyName}: ${getTheRealReferenceFromImport(sourceFile, propertySignature.propertyTypeName)},`;
+            } else {
+              propertySignatureBody = `${propertySignature.propertyName}: ${propertyTypeWhiteList(propertySignature.propertyTypeName)},`;
+            }
           }
         }
       }