diff --git a/framework/js/ani/ets/@ohos.systemDateTime.ets b/framework/js/ani/ets/@ohos.systemDateTime.ets
index 03851f5b7d4a678d2fa0bec75d8d34b687874cff..e2298e030c100dadb6896afb3022e4aebc7ad1e0 100644
--- a/framework/js/ani/ets/@ohos.systemDateTime.ets
+++ b/framework/js/ani/ets/@ohos.systemDateTime.ets
@@ -53,7 +53,7 @@ export default namespace systemDateTime {
   export native function getTime(isNanoseconds?: boolean): number;
   export native function getTimezoneSync(): string;
 
-  export function getTimezone(callback: AsyncCallback<string>): void{
+  export function getTimezone_chinast_1(callback: AsyncCallback<string>): void{
     let p1 = taskpool.execute(getTimezoneSync)
     p1.then((e :NullishType) => {
       let s = e as string
@@ -67,7 +67,7 @@ export default namespace systemDateTime {
     });
   }
 
-  export function getTimezone(): Promise<string> {
+  export function getTimezone_chinast_2(): Promise<string> {
     let p = new Promise<string>((resolve: (value: string) => void, reject: (error: Error) => void): void => {
       let p1 = taskpool.execute(getTimezoneSync);
       p1.then((e: NullishType): void => {
@@ -83,4 +83,7 @@ export default namespace systemDateTime {
     });
     return p
   }
+
+  overload getTimezone { getTimezone_chinast_1,  getTimezone_chinast_2 };
+
 }