diff --git a/frameworks/src/background_task_manager.cpp b/frameworks/src/background_task_manager.cpp
index 366f037f3f815009f240ded3ac61ed89bafec4e0..7b3d76dc9fe37d897f1c8e9878772daf3ec1506e 100644
--- a/frameworks/src/background_task_manager.cpp
+++ b/frameworks/src/background_task_manager.cpp
@@ -367,6 +367,7 @@ ErrCode BackgroundTaskManager::GetEfficiencyResourcesInfos(std::vector<std::shar
 
 bool BackgroundTaskManager::GetBackgroundTaskManagerProxy()
 {
+    std::lock_guard<std::mutex> lock(mutex_);
     if (proxy_ != nullptr) {
         return true;
     }
diff --git a/services/BUILD.gn b/services/BUILD.gn
index ee01af71628107db5d487adb8ad29ae23c7e4ef1..0b835eae794398c2f06ce89358b52b78d948a7d9 100644
--- a/services/BUILD.gn
+++ b/services/BUILD.gn
@@ -57,6 +57,7 @@ BgTaskMgrServicecSrc = [
 ]
 
 ohos_shared_library("bgtaskmgr_service") {
+  configs = [ "//build/config/compiler:exceptions" ]
   branch_protector_ret = "pac_ret"
   sanitize = {
     cfi = true
@@ -141,6 +142,7 @@ ohos_shared_library("bgtaskmgr_service") {
 }
 
 ohos_static_library("bgtaskmgr_service_static") {
+  configs = [ "//build/config/compiler:exceptions" ]
   cflags_cc = [ "-DBGTASK_MGR_UNIT_TEST" ]
   sources = BgTaskMgrServicecSrc
 
diff --git a/services/common/src/data_storage_helper.cpp b/services/common/src/data_storage_helper.cpp
index a6a888f8ae8874d76a7bb1e51e6585e2e977b87c..0a0f43b5c0f13123c01017a5ef8054cb2844f18b 100644
--- a/services/common/src/data_storage_helper.cpp
+++ b/services/common/src/data_storage_helper.cpp
@@ -71,7 +71,13 @@ ErrCode DataStorageHelper::RefreshTaskRecord(const std::unordered_map<std::strin
             return ERR_BGTASK_CREATE_FILE_ERR;
         }
     }
-    return SaveJsonValueToFile(root.dump(CommonUtils::jsonFormat_), TASK_RECORD_FILE_PATH);
+    std::string jsonStr = "";
+    try {
+        jsonStr = root.dump(CommonUtils::jsonFormat_);
+    } catch (...) {
+        BGTASK_LOGE("failed to convert to string.");
+    }
+    return SaveJsonValueToFile(jsonStr, TASK_RECORD_FILE_PATH);
 }
 
 ErrCode DataStorageHelper::RestoreTaskRecord(std::unordered_map<std::string,
@@ -238,7 +244,11 @@ void DataStorageHelper::ConvertMapToString(const ResourceRecordMap &appRecord,
     nlohmann::json processValue;
     ConvertMapToJson(processRecord, processValue);
     root[PROCESS_RESOURCE_RECORD] = processValue;
-    recordString = root.dump(CommonUtils::jsonFormat_);
+    try {
+        recordString = root.dump(CommonUtils::jsonFormat_);
+    } catch (...) {
+        BGTASK_LOGE("failed to convert to string.");
+    }
 }
 
 void DataStorageHelper::ConvertMapToJson(const ResourceRecordMap &appRecord, nlohmann::json &root)
diff --git a/services/continuous_task/src/bg_continuous_task_mgr.cpp b/services/continuous_task/src/bg_continuous_task_mgr.cpp
index 0ad45b17a18708b6fb1303bca1cadfa6abb67d22..098f0eb7c590aa0651b9c71d343045e8ad008030 100644
--- a/services/continuous_task/src/bg_continuous_task_mgr.cpp
+++ b/services/continuous_task/src/bg_continuous_task_mgr.cpp
@@ -948,7 +948,7 @@ ErrCode BgContinuousTaskMgr::UpdateBackgroundRunningInner(const std::string &tas
             return ret;
         }
     }
-    if (continuousTaskInfosMap_[taskInfoMapKey]->suspendState_) {
+    if (continuousTaskInfosMap_[taskInfoMapKey] != nullptr && continuousTaskInfosMap_[taskInfoMapKey]->suspendState_) {
         HandleActiveContinuousTask(continuousTaskRecord->uid_, continuousTaskRecord->pid_, taskInfoMapKey);
     }
     OnContinuousTaskChanged(iter->second, ContinuousTaskEventTriggerType::TASK_UPDATE);
@@ -965,7 +965,8 @@ ErrCode BgContinuousTaskMgr::StartBackgroundRunningInner(std::shared_ptr<Continu
         taskInfoMapKey = taskInfoMapKey + SEPARATOR + CommonUtils::ModesToString(continuousTaskRecord->bgModeIds_);
     }
     if (continuousTaskInfosMap_.find(taskInfoMapKey) != continuousTaskInfosMap_.end()) {
-        if (continuousTaskInfosMap_[taskInfoMapKey]->suspendState_) {
+        if (continuousTaskInfosMap_[taskInfoMapKey] != nullptr &&
+                continuousTaskInfosMap_[taskInfoMapKey]->suspendState_) {
             HandleActiveContinuousTask(continuousTaskRecord->uid_, continuousTaskRecord->pid_, taskInfoMapKey);
             return ERR_OK;
         }
@@ -1490,8 +1491,10 @@ void BgContinuousTaskMgr::HandleSuspendContinuousTask(int32_t uid, int32_t pid,
         break;
     }
     // 暂停状态取消长时任务通知
-    NotificationTools::GetInstance()->CancelNotification(continuousTaskInfosMap_[key]->GetNotificationLabel(),
-        continuousTaskInfosMap_[key]->GetNotificationId());
+    if (continuousTaskInfosMap_[key] != nullptr) {
+        NotificationTools::GetInstance()->CancelNotification(continuousTaskInfosMap_[key]->GetNotificationLabel(),
+            continuousTaskInfosMap_[key]->GetNotificationId());
+    }
     // 对SA来说，暂停状态等同于取消
     HandleAppContinuousTaskStop(uid);
 }
diff --git a/services/continuous_task/src/continuous_task_record.cpp b/services/continuous_task/src/continuous_task_record.cpp
index 143d3638ba9141edcdd914c85fc6070b31ddc9a2..fec161e1963a7e3d9e2df8b71f65aa2b8b635186 100644
--- a/services/continuous_task/src/continuous_task_record.cpp
+++ b/services/continuous_task/src/continuous_task_record.cpp
@@ -182,7 +182,13 @@ std::string ContinuousTaskRecord::ParseToJsonStr()
     root["isCombinedTaskNotification"] = isCombinedTaskNotification_;
     root["combinedNotificationTaskId"] = combinedNotificationTaskId_;
     root["isByRequestObject"] = isByRequestObject_;
-    return root.dump(CommonUtils::jsonFormat_);
+    std::string jsonStr = "";
+    try {
+        jsonStr = root.dump(CommonUtils::jsonFormat_);
+    } catch (...) {
+        BGTASK_LOGE("failed to convert to string.");
+    }
+    return jsonStr;
 }
 
 bool CheckContinuousRecod(const nlohmann::json &value)
diff --git a/services/efficiency_resources/src/resource_application_record.cpp b/services/efficiency_resources/src/resource_application_record.cpp
index b3eada4e0540f799ae8abfbb4d47473f98f4f53c..30c279536656962f5bfeb6ae20727f72fe92112e 100644
--- a/services/efficiency_resources/src/resource_application_record.cpp
+++ b/services/efficiency_resources/src/resource_application_record.cpp
@@ -60,7 +60,13 @@ std::string ResourceApplicationRecord::ParseToJsonStr()
 {
     nlohmann::json root;
     ParseToJson(root);
-    return root.dump(CommonUtils::jsonFormat_);
+    std::string jsonStr = "";
+    try {
+        jsonStr = root.dump(CommonUtils::jsonFormat_);
+    } catch (...) {
+        BGTASK_LOGE("failed to convert to string.");
+    }
+    return jsonStr;
 }
 
 void ResourceApplicationRecord::ParseToJson(nlohmann::json &root)