diff --git a/interfaces/kits/js/src/mod_fs/ani/ets/@ohos.file.fs.ets b/interfaces/kits/js/src/mod_fs/ani/ets/@ohos.file.fs.ets
index 610c1094f2232012805a85fa2e79617f263dd8a4..946450d55679f25594e1b7d267e36b2d4031708a 100644
--- a/interfaces/kits/js/src/mod_fs/ani/ets/@ohos.file.fs.ets
+++ b/interfaces/kits/js/src/mod_fs/ani/ets/@ohos.file.fs.ets
@@ -164,7 +164,7 @@ function copyDirSync(src: string, dest: string, mode?: number): void {
   return FileIoImpl.copyDirSync(src, dest, mode);
 }
 
-function copyDir(src: string, dest: string, mode?: number): Promise<void> {
+function copyDirWithMode(src: string, dest: string, mode?: number): Promise<void> {
   return new Promise<void>((resolve: (result: undefined) => void,
     reject: (e: BusinessError<Array<ConflictFiles>>) => void): void => {
     let promise = taskpool.execute((src: string, dest: string, mode?: number): undefined =>
@@ -177,7 +177,7 @@ function copyDir(src: string, dest: string, mode?: number): Promise<void> {
   });
 }
 
-function copyDir(src: string, dest: string, callback: AsyncCallback<void, Array<ConflictFiles>>): void {
+function copyDirWithCallback(src: string, dest: string, callback: AsyncCallback<void, Array<ConflictFiles>>): void {
   let promise = taskpool.execute((src: string, dest: string): undefined =>
     FileIoImpl.copyDirSync(src, dest), src, dest);
   promise.then((ret: NullishType): void => {
@@ -190,7 +190,7 @@ function copyDir(src: string, dest: string, callback: AsyncCallback<void, Array<
   });
 }
 
-function copyDir(src: string, dest: string, mode: number, callback: AsyncCallback<void, Array<ConflictFiles>>): void {
+function copyDirWithModeAndCallback(src: string, dest: string, mode: number, callback: AsyncCallback<void, Array<ConflictFiles>>): void {
   let promise = taskpool.execute((src: string, dest: string, mode: number): undefined =>
     FileIoImpl.copyDirSync(src, dest, mode), src, dest, mode);
   promise.then((ret: NullishType): void => {
@@ -203,7 +203,7 @@ function copyDir(src: string, dest: string, mode: number, callback: AsyncCallbac
   });
 }
 
-function copyDir(arg0: Object, arg1: Object, arg2: NullishType, arg3: NullishType): void {
+function copyDirByArgs(arg0: Object, arg1: Object, arg2: NullishType, arg3: NullishType): void {
   let src = arg0 as string;
   let dest = arg1 as string;
   if (typeof arg2 === 'number' && typeof arg3 === 'function') {
@@ -224,6 +224,8 @@ function copyDir(arg0: Object, arg1: Object, arg2: NullishType, arg3: NullishTyp
   }
 }
 
+overload copyDir {copyDirWithMode, copyDirWithCallback, copyDirWithModeAndCallback, copyDirByArgs}
+
 function mkdirSync(path: string): void {
   return FileIoImpl.mkdirSync(path)
 }