diff --git a/frameworks/ets/ani/ets/@ohos.telephony.data.ets b/frameworks/ets/ani/ets/@ohos.telephony.data.ets
index ea0b1f35a348d55c1d71ea97cccd3bf14286af0a..accdb0262cf98f99cbe35709b966061e3d3f4f98 100644
--- a/frameworks/ets/ani/ets/@ohos.telephony.data.ets
+++ b/frameworks/ets/ani/ets/@ohos.telephony.data.ets
@@ -37,8 +37,8 @@ export default namespace data {
     let p1 = taskpool.execute(nativeGetCellularDataState)
     p1.then((content: NullishType) => {
         callback(new BusinessError(), content as DataConnectState);
-    }, (err: BusinessError): void => {
-        callback(err, DataConnectState.DATA_STATE_UNKNOWN);
+    }, (err: Error): void => {
+        callback(err as BusinessError, DataConnectState.DATA_STATE_UNKNOWN);
     });
   }