diff --git a/ets_environment/frameworks/ets_environment/src/dynamic_loader.cpp b/ets_environment/frameworks/ets_environment/src/dynamic_loader.cpp
index 6b2934937440590733373c543d94982429321f8b..6aa2f529f2b317171ad4a10c5f579ada18747424 100644
--- a/ets_environment/frameworks/ets_environment/src/dynamic_loader.cpp
+++ b/ets_environment/frameworks/ets_environment/src/dynamic_loader.cpp
@@ -41,7 +41,9 @@ static void ReadDlError()
         return;
     }
     auto ends = sprintf_s(g_dlError, sizeof(g_dlError), "%s", errMsg);
-    if (ends >= ERROR_BUF_SIZE) {
+    if (ends < 0) {
+        return;
+    } else if (ends >= ERROR_BUF_SIZE) {
         g_dlError[ERROR_BUF_SIZE - 1] = '\0';
     } else {
         g_dlError[ends] = '\0';
diff --git a/ets_environment/frameworks/ets_environment/src/ets_environment.cpp b/ets_environment/frameworks/ets_environment/src/ets_environment.cpp
index 64f3efc9db93921cd906ca3b79818ba849f1b002..3596dc4200432d197d0c554a871a1567dbfd249a 100644
--- a/ets_environment/frameworks/ets_environment/src/ets_environment.cpp
+++ b/ets_environment/frameworks/ets_environment/src/ets_environment.cpp
@@ -76,7 +76,7 @@ bool ETSEnvironment::LoadBootPathFile(std::string &bootfiles)
         TAG_LOGE(AAFwkTag::ETSRUNTIME, "read json error");
         return false;
     }
-    nlohmann::json jsonObject = nlohmann::json::parse(inFile);
+    nlohmann::json jsonObject = nlohmann::json::parse(inFile, nullptr, false);
     if (jsonObject.is_discarded()) {
         TAG_LOGE(AAFwkTag::ETSRUNTIME, "json discarded error");
         inFile.close();
diff --git a/frameworks/ets/ani/ani_common/src/ani_common_configuration.cpp b/frameworks/ets/ani/ani_common/src/ani_common_configuration.cpp
index c2324ca79ca94fd173422c1d08835b9e4bc2a5af..345288acdf866db6e2de77dba657b66da6741aae 100644
--- a/frameworks/ets/ani/ani_common/src/ani_common_configuration.cpp
+++ b/frameworks/ets/ani/ani_common/src/ani_common_configuration.cpp
@@ -76,12 +76,22 @@ void SetAdditionalConfiguration(ani_env *env, ani_object object, const AppExecFw
     env->Object_SetPropertyByName_Ref(object, "fontId", GetAniString(env, str));
 
     std::string fontSizeScale = configuration.GetItem(AAFwk::GlobalConfigurationKey::SYSTEM_FONT_SIZE_SCALE);
-    env->Object_SetPropertyByName_Ref(
-        object, "fontSizeScale", CreateDouble(env, fontSizeScale != "" ? std::stod(fontSizeScale) : 1.0));
+    try {
+        env->Object_SetPropertyByName_Ref(
+            object, "fontSizeScale", CreateDouble(env, fontSizeScale != "" ? std::stod(fontSizeScale) : 1.0));
+    } catch (...) {
+        TAG_LOGE(AAFwkTag::ANI, "stod(%{public}s) failed", fontSizeScale.c_str());
+        return;
+    }
 
     std::string fontWeightScale = configuration.GetItem(AAFwk::GlobalConfigurationKey::SYSTEM_FONT_WEIGHT_SCALE);
-    env->Object_SetPropertyByName_Ref(
-        object, "fontWeightScale", CreateDouble(env, fontWeightScale != "" ? std::stod(fontWeightScale) : 1.0));
+    try {
+        env->Object_SetPropertyByName_Ref(
+            object, "fontWeightScale", CreateDouble(env, fontWeightScale != "" ? std::stod(fontWeightScale) : 1.0));
+    } catch (...) {
+        TAG_LOGE(AAFwkTag::ANI, "stod(%{public}s) failed", fontWeightScale.c_str());
+        return;
+    }
 
     str = configuration.GetItem(AAFwk::GlobalConfigurationKey::SYSTEM_MCC);
     env->Object_SetPropertyByName_Ref(object, "mcc", GetAniString(env, str));
diff --git a/test/unittest/runtime_test/ets_runtime_test.cpp b/test/unittest/runtime_test/ets_runtime_test.cpp
index cda5f628c58b489701d3bd458dddfea4eb8c7d52..0e1e4760f5fdc571a47a6f228d70363a1a57dfef 100644
--- a/test/unittest/runtime_test/ets_runtime_test.cpp
+++ b/test/unittest/runtime_test/ets_runtime_test.cpp
@@ -152,6 +152,7 @@ HWTEST_F(EtsRuntimeTest, LoadModule_0100, TestSize.Level1)
     std::string modulePath = "dir.test.module";
     std::string hapPath = "/some/hap";
     std::string srcEntrance = "main.ets";
+    etsRuntime->PreloadModule(moduleName, hapPath, false, false);
     auto result = etsRuntime->LoadModule(moduleName, modulePath, hapPath, false, false, srcEntrance);
     EXPECT_EQ(result, nullptr);
 }
diff --git a/test/unittest/ui_extension_context_test/ui_extension_context_test.cpp b/test/unittest/ui_extension_context_test/ui_extension_context_test.cpp
index 655b3aa68392cfa4e0104e8b36b718f302570efd..35ef6fd2960eb54912ce79a8a5bb822f540ad06e 100644
--- a/test/unittest/ui_extension_context_test/ui_extension_context_test.cpp
+++ b/test/unittest/ui_extension_context_test/ui_extension_context_test.cpp
@@ -595,6 +595,23 @@ HWTEST_F(UIExtensionContextTest, GetAbilityInfoType_0100, TestSize.Level1)
     TAG_LOGI(AAFwkTag::TEST, "GetAbilityInfoType_0100 end");
 }
 
+/**
+ * @tc.number: StartUIAbilities_1000
+ * @tc.name: StartUIAbilities
+ * @tc.desc: Start abilitys.
+ */
+HWTEST_F(UIExtensionContextTest, StartUIAbilities_1000, TestSize.Level1)
+{
+    TAG_LOGI(AAFwkTag::TEST, "StartUIAbilities_1000 start");
+
+    auto context = std::make_shared<UIExtensionContext>();
+    std::vector<AAFwk::Want> wantList;
+    std::string requestKey = "12345";
+    EXPECT_TRUE(context->StartUIAbilities(wantList, requestKey) != ERR_OK);
+
+    TAG_LOGI(AAFwkTag::TEST, "StartUIAbilities_1000 end");
+}
+
 /**
  * @tc.number: StartAbility_0300
  * @tc.name: StartAbility
diff --git a/test/unittest/want_agent_helper_test/want_agent_helper_test.cpp b/test/unittest/want_agent_helper_test/want_agent_helper_test.cpp
index 1b58b7e0509ae896768d9a6b1f29e1aa3061bf10..f5ffd1b4adbe772942d041be50e2c6d2324be502 100644
--- a/test/unittest/want_agent_helper_test/want_agent_helper_test.cpp
+++ b/test/unittest/want_agent_helper_test/want_agent_helper_test.cpp
@@ -1404,4 +1404,117 @@ HWTEST_F(WantAgentHelperTest, WantAgentHelper_6600, Function | MediumTest | Leve
     const auto retCode = WantAgentHelper::GetBundleName(wantAgent, actualBundleName);
     ASSERT_TRUE(retCode == ERR_ABILITY_RUNTIME_EXTERNAL_INVALID_PARAMETER);
 }
+
+/**
+ * @tc.name: CreateLocalWantAgent_0100
+ * @tc.desc: Test CreateLocalWantAgent with null context
+ * @tc.type: FUNC
+ */
+HWTEST_F(WantAgentHelperTest, CreateLocalWantAgent_0100, TestSize.Level1)
+{
+    std::shared_ptr<Want> want = std::make_shared<Want>();
+    std::vector<std::shared_ptr<Want>> wants = {want};
+    LocalWantAgentInfo paramsInfo(10, WantAgentConstant::OperationType::START_ABILITY, wants);
+    
+    auto requestCode = paramsInfo.GetRequestCode();
+    EXPECT_EQ(requestCode, 10);
+    auto operationType = paramsInfo.GetOperationType();
+    EXPECT_EQ(operationType, WantAgentConstant::OperationType::START_ABILITY);
+    auto wantGet = paramsInfo.GetWants();
+    EXPECT_EQ(wantGet.size(), 1);
+
+    std::shared_ptr<WantAgent> wantAgent;
+    ErrCode result = WantAgentHelper::CreateLocalWantAgent(nullptr, paramsInfo, wantAgent);
+    
+    EXPECT_EQ(result, ERR_ABILITY_RUNTIME_EXTERNAL_INVALID_PARAMETER);
+}
+
+/**
+ * @tc.name: CreateLocalWantAgent_0200
+ * @tc.desc: Test CreateLocalWantAgent with empty wants
+ * @tc.type: FUNC
+ */
+HWTEST_F(WantAgentHelperTest, CreateLocalWantAgent_0200, TestSize.Level1)
+{
+    auto context = std::make_shared<ApplicationContext>();
+    
+    std::vector<std::shared_ptr<Want>> wants;
+    LocalWantAgentInfo paramsInfo(10, WantAgentConstant::OperationType::START_ABILITY, wants);
+
+    std::shared_ptr<WantAgent> wantAgent;
+    ErrCode result = WantAgentHelper::CreateLocalWantAgent(context, paramsInfo, wantAgent);
+    
+    EXPECT_EQ(result, ERR_ABILITY_RUNTIME_EXTERNAL_INVALID_PARAMETER);
+}
+
+/**
+ * @tc.name: CreateLocalWantAgent_0300
+ * @tc.desc: Test CreateLocalWantAgent with null want in wants
+ * @tc.type: FUNC
+ */
+HWTEST_F(WantAgentHelperTest, CreateLocalWantAgent_0300, TestSize.Level1)
+{
+    auto context = std::make_shared<ApplicationContext>();
+
+    std::vector<std::shared_ptr<Want>> wants = {nullptr};
+    LocalWantAgentInfo paramsInfo(10, WantAgentConstant::OperationType::START_ABILITY, wants);
+
+    std::shared_ptr<WantAgent> wantAgent;
+    ErrCode result = WantAgentHelper::CreateLocalWantAgent(context, paramsInfo, wantAgent);
+    
+    EXPECT_EQ(result, ERR_ABILITY_RUNTIME_EXTERNAL_INVALID_PARAMETER);
+}
+
+/**
+ * @tc.name: CreateLocalWantAgent_0400
+ * @tc.desc: Test CreateLocalWantAgent with valid parameters
+ * @tc.type: FUNC
+ */
+HWTEST_F(WantAgentHelperTest, CreateLocalWantAgent_0400, TestSize.Level1)
+{
+    auto context = std::make_shared<ApplicationContext>();
+    
+    std::shared_ptr<Want> want = std::make_shared<Want>();
+    std::vector<std::shared_ptr<Want>> wants = {want};
+    LocalWantAgentInfo paramsInfo(10, WantAgentConstant::OperationType::START_ABILITY, wants);
+
+    std::shared_ptr<WantAgent> wantAgent;
+    ErrCode result = WantAgentHelper::CreateLocalWantAgent(context, paramsInfo, wantAgent);
+    
+    EXPECT_EQ(result, ERR_OK);
+    
+    // Verify the created WantAgent
+    std::shared_ptr<Want> retrievedWant;
+    ErrCode getWantResult = WantAgentHelper::GetWant(wantAgent, retrievedWant);
+    EXPECT_EQ(getWantResult, ERR_OK);
+    
+    int32_t operationType;
+    ErrCode getTypeResult = WantAgentHelper::GetType(wantAgent, operationType);
+    EXPECT_EQ(getTypeResult, ERR_OK);
+    EXPECT_EQ(operationType, static_cast<int32_t>(WantAgentConstant::OperationType::START_ABILITY));
+}
+
+/**
+ * @tc.name: CreateLocalWantAgent_0500
+ * @tc.desc: Test CreateLocalWantAgent with different operation types
+ * @tc.type: FUNC
+ */
+HWTEST_F(WantAgentHelperTest, CreateLocalWantAgent_0500, TestSize.Level1)
+{
+    auto context = std::make_shared<ApplicationContext>();
+    
+    std::shared_ptr<Want> want = std::make_shared<Want>();
+    std::vector<std::shared_ptr<Want>> wants = {want};
+    LocalWantAgentInfo paramsInfo(10, WantAgentConstant::OperationType::SEND_COMMON_EVENT, wants);
+    
+    std::shared_ptr<WantAgent> wantAgent;
+    ErrCode result = WantAgentHelper::CreateLocalWantAgent(context, paramsInfo, wantAgent);
+    
+    EXPECT_EQ(result, ERR_OK);
+    
+    int32_t operationType;
+    ErrCode getTypeResult = WantAgentHelper::GetType(wantAgent, operationType);
+    EXPECT_EQ(getTypeResult, ERR_OK);
+    EXPECT_EQ(operationType, static_cast<int32_t>(WantAgentConstant::OperationType::SEND_COMMON_EVENT));
+}
 }  // namespace OHOS::AbilityRuntime::WantAgent