diff --git a/frameworks/BUILD.gn b/frameworks/BUILD.gn
index fee4fb452cba019371fb5ad5517449387bd99ff8..d0fc3fe3e7074d37a190f36f62339cd895f7d71c 100644
--- a/frameworks/BUILD.gn
+++ b/frameworks/BUILD.gn
@@ -51,7 +51,10 @@ ohos_shared_library("workschedclient") {
   ]
   sources += filter_include(output_values, [ "*_proxy.cpp" ])
 
-  configs = [ ":worksched_private_config" ]
+  configs = [
+    ":worksched_private_config",
+    "//build/config/compiler:exceptions",
+  ]
 
   public_configs = [ ":worksched_public_config" ]
 
diff --git a/frameworks/extension/BUILD.gn b/frameworks/extension/BUILD.gn
index b9e7193cedf73d8ec741b05cfe0742cf108c8ca5..694e4e50dd52f6f9bdbdb58d102f52140a004f5e 100644
--- a/frameworks/extension/BUILD.gn
+++ b/frameworks/extension/BUILD.gn
@@ -45,7 +45,10 @@ ohos_shared_library("workschedextension") {
     "src/work_scheduler_extension_module_loader.cpp",
   ]
 
-  configs = [ ":worksched_private_config" ]
+  configs = [
+    ":worksched_private_config",
+    "//build/config/compiler:exceptions",
+  ]
 
   public_configs = [ ":worksched_public_config" ]
 
diff --git a/frameworks/extension/src/js_work_scheduler_extension.cpp b/frameworks/extension/src/js_work_scheduler_extension.cpp
index 5a6633578f768df5cd22ecc27e24b5d5aeedabb8..1843c3cf5211e3489ca249d51fa61abfc79ed6e6 100644
--- a/frameworks/extension/src/js_work_scheduler_extension.cpp
+++ b/frameworks/extension/src/js_work_scheduler_extension.cpp
@@ -494,7 +494,12 @@ bool JsWorkSchedulerExtension::GetExtrasJsonStr(const WorkInfo& workInfo, std::s
             WS_HILOGE("parameters type not supported.");
         }
     }
-    extrasStr = extrasJson.dump(JSON_INDENT_WIDTH);
+    try {
+        extrasStr = extrasJson.dump(JSON_INDENT_WIDTH);
+    } catch (...) {
+        WS_HILOGE("failed to convert to string.");
+        return false;
+    }
     return true;
 }
 } // namespace WorkScheduler
diff --git a/frameworks/src/work_info.cpp b/frameworks/src/work_info.cpp
index 8014d07458393df3658705e79020aa49192db1b7..db8da235fd4702b1ba6adc473dcbd378d09453ca 100644
--- a/frameworks/src/work_info.cpp
+++ b/frameworks/src/work_info.cpp
@@ -500,7 +500,12 @@ std::string WorkInfo::ParseToJsonStr()
         root["parameters"] = extras;
         root["parametersType"] = extrasType;
     }
-    std::string result = root.dump(JSON_INDENT_WIDTH);
+    std::string result = "";
+    try {
+        result = root.dump(JSON_INDENT_WIDTH);
+    } catch (...) {
+        WS_HILOGE("failed to convert to string.");
+    }
     return result;
 }
 
diff --git a/frameworks/src/workscheduler_srv_client.cpp b/frameworks/src/workscheduler_srv_client.cpp
index 72c7df76fbd753c85246575d9f55fac95f90288f..2d474752254374b7fea80f96755ee122d618e0cc 100644
--- a/frameworks/src/workscheduler_srv_client.cpp
+++ b/frameworks/src/workscheduler_srv_client.cpp
@@ -30,6 +30,7 @@ WorkSchedulerSrvClient::~WorkSchedulerSrvClient() {}
 
 ErrCode WorkSchedulerSrvClient::Connect()
 {
+    std::lock_guard<std::mutex> lock(mutex_);
     if (iWorkSchedService_ != nullptr) {
         return ERR_OK;
     }
diff --git a/services/BUILD.gn b/services/BUILD.gn
index da9636399c75d4a90694474ad5c4d1e45a643487..7e194bb02b431b21b3210ed8be9f7ff0ea243a70 100644
--- a/services/BUILD.gn
+++ b/services/BUILD.gn
@@ -73,7 +73,10 @@ ohos_shared_library("workschedservice") {
     "native/src/work_status.cpp",
   ]
 
-  configs = [ ":worksched_private_config" ]
+  configs = [
+    ":worksched_private_config",
+    "//build/config/compiler:exceptions",
+  ]
 
   public_configs = [ ":worksched_public_config" ]
 
@@ -189,7 +192,10 @@ ohos_static_library("workschedservice_static") {
     "native/src/work_status.cpp",
   ]
 
-  configs = [ ":worksched_private_config" ]
+  configs = [
+    ":worksched_private_config",
+    "//build/config/compiler:exceptions",
+  ]
 
   public_configs = [ ":worksched_public_config" ]
 
diff --git a/services/native/src/work_scheduler_service.cpp b/services/native/src/work_scheduler_service.cpp
index e45fed7e83605aeec076f31953965ad351c17d4e..33143d8710c1880c45182e449bd10514bfd2c198 100644
--- a/services/native/src/work_scheduler_service.cpp
+++ b/services/native/src/work_scheduler_service.cpp
@@ -1328,7 +1328,12 @@ void WorkSchedulerService::RefreshPersistedWorks()
             root[it.first] = workJson;
         }
     }
-    string result = root.dump(4);
+    std::string result = "";
+    try {
+        result = root.dump(JSON_INDENT_WIDTH);
+    } catch (...) {
+        WS_HILOGE("failed to convert to string.");
+    }
     CreateNodeDir(PERSISTED_PATH);
     CreateNodeFile();
     ofstream fout;