diff --git a/services/firmware/check/include/firmware_icheck.h b/services/firmware/check/include/firmware_icheck.h
index 4fc02ee..def394f 100644
--- a/services/firmware/check/include/firmware_icheck.h
+++ b/services/firmware/check/include/firmware_icheck.h
@@ -165,8 +165,8 @@ private:
     }
 
     RequestType requestType_ = RequestType::CHECK;
-    Duration duration_ {};
-    CheckAndAuthInfo checkAndAuthInfo_ {};
+    Duration duration_;
+    CheckAndAuthInfo checkAndAuthInfo_;
     std::vector<FirmwareComponent> checkResultList_;
 };
 } // namespace UpdateEngine
diff --git a/services/firmware/upgrade/data_processor/include/firmware_check_data_processor.h b/services/firmware/upgrade/data_processor/include/firmware_check_data_processor.h
index fdddae5..bdc43c4 100644
--- a/services/firmware/upgrade/data_processor/include/firmware_check_data_processor.h
+++ b/services/firmware/upgrade/data_processor/include/firmware_check_data_processor.h
@@ -57,7 +57,7 @@ private:
 
 private:
     std::vector<FirmwareComponent> componentList_;
-    Duration duration_ {};
+    Duration duration_;
     bool isSameWithDb_ = true;
     CheckStatus status_ = CheckStatus::CHECK_FAIL;
 };
diff --git a/services/firmware/upgrade/data_processor/include/firmware_download_data_processor.h b/services/firmware/upgrade/data_processor/include/firmware_download_data_processor.h
index 732667b..189bfaf 100644
--- a/services/firmware/upgrade/data_processor/include/firmware_download_data_processor.h
+++ b/services/firmware/upgrade/data_processor/include/firmware_download_data_processor.h
@@ -37,8 +37,8 @@ private:
     void GetTask();
 
 private:
-    FirmwareTask tasks_ {};
-    Progress downloadProgress_ {};
+    FirmwareTask tasks_;
+    Progress downloadProgress_;
 };
 } // namespace UpdateEngine
 } // namespace OHOS
diff --git a/services/firmware/upgrade/data_processor/include/firmware_install_data_processor.h b/services/firmware/upgrade/data_processor/include/firmware_install_data_processor.h
index 117a170..a02c066 100644
--- a/services/firmware/upgrade/data_processor/include/firmware_install_data_processor.h
+++ b/services/firmware/upgrade/data_processor/include/firmware_install_data_processor.h
@@ -36,7 +36,7 @@ private:
     void GetTask();
 
 private:
-    FirmwareTask tasks_ {};
+    FirmwareTask tasks_;
 };
 } // namespace UpdateEngine
 } // namespace OHOS
diff --git a/services/firmware/upgrade/executor/include/firmware_check_executor.h b/services/firmware/upgrade/executor/include/firmware_check_executor.h
index c931e72..c341eb9 100644
--- a/services/firmware/upgrade/executor/include/firmware_check_executor.h
+++ b/services/firmware/upgrade/executor/include/firmware_check_executor.h
@@ -36,9 +36,9 @@ private:
     void Complete();
 
 private:
-    FirmwareCheckComponentCallback checkComponentCallback_ {};
-    Duration duration_ {};
-    CheckAndAuthInfo checkAndAuthInfo_ {};
+    FirmwareCheckComponentCallback checkComponentCallback_;
+    Duration duration_;
+    CheckAndAuthInfo checkAndAuthInfo_;
     std::vector<FirmwareComponent> componentList_;
     CheckStatus status_ = CheckStatus::CHECK_SUCCESS;
 };
diff --git a/services/firmware/upgrade/executor/include/firmware_download_executor.h b/services/firmware/upgrade/executor/include/firmware_download_executor.h
index 5105014..809affb 100644
--- a/services/firmware/upgrade/executor/include/firmware_download_executor.h
+++ b/services/firmware/upgrade/executor/include/firmware_download_executor.h
@@ -39,10 +39,10 @@ private:
     bool VerifyDownloadPkg(const std::string &pkgName, Progress &progress);
 
 private:
-    DownloadOptions downloadOptions_ {};
+    DownloadOptions downloadOptions_;
     std::vector<FirmwareComponent> components_;
-    FirmwareProgressCallback firmwareProgressCallback_ {};
-    FirmwareTask tasks_ {};
+    FirmwareProgressCallback firmwareProgressCallback_;
+    FirmwareTask tasks_;
     UpgradeStatus upgradeStatus_;
     std::shared_ptr<DownloadThread> downloadThread_ = nullptr;
 };
diff --git a/services/firmware/upgrade/executor/include/firmware_install_executor.h b/services/firmware/upgrade/executor/include/firmware_install_executor.h
index 5580552..de2fb9b 100644
--- a/services/firmware/upgrade/executor/include/firmware_install_executor.h
+++ b/services/firmware/upgrade/executor/include/firmware_install_executor.h
@@ -43,8 +43,8 @@ private:
     FirmwareInstallExecutorCallback installCallback_;
     InstallCallbackInfo installCallbackInfo_;
     std::vector<FirmwareComponent> components_;
-    FirmwareTask tasks_ {};
-    Progress taskProgress_ {};
+    FirmwareTask tasks_;
+    Progress taskProgress_;
     std::shared_ptr<FirmwarePreferencesUtil> preferencesUtil_ =
         DelayedSingleton<FirmwarePreferencesUtil>::GetInstance();
 };
diff --git a/services/firmware/upgrade/install/include/firmware_sys_installer_install.h b/services/firmware/upgrade/install/include/firmware_sys_installer_install.h
index f43bdf5..65954ee 100644
--- a/services/firmware/upgrade/install/include/firmware_sys_installer_install.h
+++ b/services/firmware/upgrade/install/include/firmware_sys_installer_install.h
@@ -40,7 +40,7 @@ private:
     int32_t WaitInstallResult();
 
 private:
-    Progress sysInstallProgress_ {};
+    Progress sysInstallProgress_;
 };
 } // namespace UpdateEngine
 } // namespace OHOS
diff --git a/services/firmware/upgrade/mode/include/firmware_download_mode.h b/services/firmware/upgrade/mode/include/firmware_download_mode.h
index 2d9abc4..ca2499c 100644
--- a/services/firmware/upgrade/mode/include/firmware_download_mode.h
+++ b/services/firmware/upgrade/mode/include/firmware_download_mode.h
@@ -52,10 +52,10 @@ private:
 
 private:
     FirmwareDownloadDataProcessor downloadDataProcessor_;
-    DownloadOptions downloadOptions_ {};
+    DownloadOptions downloadOptions_;
     BusinessError &businessError_;
     OnExecuteFinishCallback onExecuteFinishCallback_;
-    FirmwareTask tasks_ {};
+    FirmwareTask tasks_;
 };
 } // namespace UpdateEngine
 } // namespace OHOS
diff --git a/services/firmware/upgrade/mode/include/firmware_install_apply_mode.h b/services/firmware/upgrade/mode/include/firmware_install_apply_mode.h
index 964b8de..e102de4 100644
--- a/services/firmware/upgrade/mode/include/firmware_install_apply_mode.h
+++ b/services/firmware/upgrade/mode/include/firmware_install_apply_mode.h
@@ -60,7 +60,7 @@ private:
     BusinessError &businessError_;
     InstallType installType_;
     OnExecuteFinishCallback onExecuteFinishCallback_;
-    FirmwareTask tasks_ {};
+    FirmwareTask tasks_;
     std::shared_ptr<FirmwarePreferencesUtil> preferencesUtil_ =
         DelayedSingleton<FirmwarePreferencesUtil>::GetInstance();
 };
diff --git a/services/firmware/upgrade/mode/include/firmware_manual_check_mode.h b/services/firmware/upgrade/mode/include/firmware_manual_check_mode.h
index 062d89a..89d2789 100644
--- a/services/firmware/upgrade/mode/include/firmware_manual_check_mode.h
+++ b/services/firmware/upgrade/mode/include/firmware_manual_check_mode.h
@@ -40,7 +40,7 @@ private:
 private:
     OnCheckComplete onCheckComplete_;
     FirmwareCheckDataProcessor checkDataProcessor_;
-    BusinessError businessError_ {};
+    BusinessError businessError_;
 };
 } // namespace UpdateEngine
 } // namespace OHOS
diff --git a/services/startup/manage/include/schedule_manager.h b/services/startup/manage/include/schedule_manager.h
index b4b8760..418946b 100644
--- a/services/startup/manage/include/schedule_manager.h
+++ b/services/startup/manage/include/schedule_manager.h
@@ -39,7 +39,7 @@ private:
 private:
     std::shared_ptr<IAccessManager> accessManager_ = nullptr;
     std::shared_ptr<IStartupSchedule> startupSchedule_ = nullptr;
-    ScheduleTask scheduleTask_ {};
+    ScheduleTask scheduleTask_;
 };
 } // namespace UpdateEngine
 } // namespace OHOS
diff --git a/services/utils/src/dupdate_net_observer.cpp b/services/utils/src/dupdate_net_observer.cpp
index 604c000..3e245d8 100644
--- a/services/utils/src/dupdate_net_observer.cpp
+++ b/services/utils/src/dupdate_net_observer.cpp
@@ -44,9 +44,6 @@ void NetObserver::StartObserver()
         netSpecifier.ident_ = "";
         netSpecifier.netCapabilities_ = netAllCapabilities;
         sptr<NetSpecifier> specifier = new NetSpecifier(netSpecifier);
-        if (specifier == nullptr) {
-            return;
-        }
         constexpr int32_t RETRY_MAX_TIMES = 10;
         int32_t retryCount = 0;
         int32_t ret = NetConnResultCode::NET_CONN_SUCCESS;