diff --git a/harmony_utils/src/main/ets/utils/NetworkUtil.ets b/harmony_utils/src/main/ets/utils/NetworkUtil.ets
index 8208608354c67575c6591f462b0846287448e44e..df60bed61b5e3efabbc93e3ac6add29f428cf58e 100644
--- a/harmony_utils/src/main/ets/utils/NetworkUtil.ets
+++ b/harmony_utils/src/main/ets/utils/NetworkUtil.ets
@@ -116,7 +116,7 @@ export class NetworkUtil {
    * 判断当前设备网络是否可用
    * @returns
    */
-  static isNetworkAvailable(): Boolean {
+  static isNetworkAvailable(): boolean {
     let allNets = NetworkUtil.getAllNetsSync();
     if (allNets && allNets.length > 0) {
       return true;