diff --git a/services/ans/include/advanced_datashare_helper.h b/services/ans/include/advanced_datashare_helper.h
index 192eca0e5b8b07a8c28e68fb71730799aa01a2a9..f5f0fd8cbd2334d45e04441eb18e2cd4b0fa1d66 100644
--- a/services/ans/include/advanced_datashare_helper.h
+++ b/services/ans/include/advanced_datashare_helper.h
@@ -39,7 +39,8 @@ public:
     std::string GetUnifiedGroupEnableUri() const;
 
 private:
-    std::shared_ptr<DataShare::DataShareHelper> CreateDataShareHelper();
+    void CreateDataShareHelper();
+    std::shared_ptr<DataShare::DataShareHelper> dataShareHelper_ = nullptr;
 };
 } // namespace Notification
 } // namespace OHOS
diff --git a/services/ans/src/advanced_datashare_helper.cpp b/services/ans/src/advanced_datashare_helper.cpp
index 67989bcb07c1c49b399680ec2d4477f6510d0ce7..3fd1d5ed0e7f6bf7149d6d6d2f4611a7727c3a00 100644
--- a/services/ans/src/advanced_datashare_helper.cpp
+++ b/services/ans/src/advanced_datashare_helper.cpp
@@ -42,41 +42,38 @@ AdvancedDatashareHelper::AdvancedDatashareHelper()
     CreateDataShareHelper();
 }
 
-std::shared_ptr<DataShare::DataShareHelper> AdvancedDatashareHelper::CreateDataShareHelper()
+void CreateDataShareHelper()
 {
     sptr<ISystemAbilityManager> saManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
     if (saManager == nullptr) {
         ANS_LOGE("The sa manager is nullptr.");
-        return nullptr;
+        return;
     }
     sptr<IRemoteObject> remoteObj = saManager->GetSystemAbility(ADVANCED_NOTIFICATION_SERVICE_ABILITY_ID);
     if (remoteObj == nullptr) {
         ANS_LOGE("The remoteObj is nullptr.");
-        return nullptr;
+        return;
     }
-    return DataShare::DataShareHelper::Creator(remoteObj, SETTINGS_DATA_EXT_URI);
+    dataShareHelper_ = DataShare::DataShareHelper::Creator(remoteObj, SETTINGS_DATA_EXT_URI);
 }
 
 bool AdvancedDatashareHelper::Query(Uri &uri, const std::string &key, std::string &value)
 {
-    std::shared_ptr<DataShare::DataShareHelper> dataShareHelper = CreateDataShareHelper();
-    if (dataShareHelper == nullptr) {
+    if (dataShareHelper_ == nullptr) {
         ANS_LOGE("The data share helper is nullptr.");
         return false;
     }
     DataShare::DataSharePredicates predicates;
     std::vector<std::string> columns;
     predicates.EqualTo(ADVANCED_DATA_COLUMN_KEYWORD, key);
-    auto result = dataShareHelper->Query(uri, predicates, columns);
+    auto result = dataShareHelper_->Query(uri, predicates, columns);
     if (result == nullptr) {
         ANS_LOGE("Query error, result is null.");
-        dataShareHelper->Release();
         return false;
     }
     if (result->GoToFirstRow() != DataShare::E_OK) {
         ANS_LOGE("Query failed, go to first row error.");
         result->Close();
-        dataShareHelper->Release();
         return false;
     }
     int32_t columnIndex;
@@ -84,7 +81,6 @@ bool AdvancedDatashareHelper::Query(Uri &uri, const std::string &key, std::strin
     result->GetString(columnIndex, value);
     result->Close();
     ANS_LOGD("Query success, value[%{public}s]", value.c_str());
-    dataShareHelper->Release();
     return true;
 }