diff --git a/interfaces/inner_api/appexecfwk_core/src/quick_fix/quick_fix_result_info.cpp b/interfaces/inner_api/appexecfwk_core/src/quick_fix/quick_fix_result_info.cpp
index cc06f686055d59ef9e6305555d3ca6431471de2e..0546c59133cb5f0c779880224ae05dfe5d6609d1 100755
--- a/interfaces/inner_api/appexecfwk_core/src/quick_fix/quick_fix_result_info.cpp
+++ b/interfaces/inner_api/appexecfwk_core/src/quick_fix/quick_fix_result_info.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Copyright (c) 2022-2025 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -16,7 +16,7 @@
 #include "app_log_tag_wrapper.h"
 #include "app_log_wrapper.h"
 #include "bundle_constants.h"
-#include "nlohmann/json.hpp"
+#include "json_util.h"
 #include "parcel_macro.h"
 #include "quick_fix_result_info.h"
 
@@ -76,16 +76,24 @@ DeployQuickFixResult *DeployQuickFixResult::Unmarshalling(Parcel &parcel)
 
 std::string DeployQuickFixResult::ToString() const
 {
-    nlohmann::json deployResultJson = nlohmann::json {
-        { QUICK_FIX_RESULT_CODE, resultCode },
-        { QUICK_FIX_BUNDLE_NAME, bundleName },
-        { QUICK_FIX_BUNDLE_VERSION_CODE, bundleVersionCode },
-        { QUICK_FIX_PATCH_VERSION_CODE, patchVersionCode },
-        { QUICK_FIX_IS_SO_CONTAINED, isSoContained },
-        { QUICK_FIX_TYPE, static_cast<int32_t>(type) },
-        { QUICK_FIX_MODULE_NAME, moduleNames }
-    };
-    return deployResultJson.dump(Constants::DUMP_INDENT);
+    cJSON* jsonObject = cJSON_CreateObject();
+    if (!jsonObject || !cJSON_IsObject(jsonObject)) {
+        APP_LOGE("Invalid JSON object");
+        return "";
+    }
+    cJSON_AddNumberToObject(jsonObject, QUICK_FIX_RESULT_CODE, resultCode);
+    cJSON_AddStringToObject(jsonObject, QUICK_FIX_BUNDLE_NAME, bundleName.c_str());
+    cJSON_AddNumberToObject(jsonObject, QUICK_FIX_BUNDLE_VERSION_CODE, bundleVersionCode);
+    cJSON_AddNumberToObject(jsonObject, QUICK_FIX_PATCH_VERSION_CODE, patchVersionCode);
+    cJSON_AddBoolToObject(jsonObject, QUICK_FIX_IS_SO_CONTAINED, isSoContained);
+    cJSON_AddNumberToObject(jsonObject, QUICK_FIX_TYPE, static_cast<int32_t>(type));
+    if (!CJsonAddArrayToObject<std::vector<std::string>, std::string>(jsonObject, QUICK_FIX_MODULE_NAME,
+        moduleNames, ArrayType::STRING)) {
+        APP_LOGE("add moduleNames to jsonObject failed");
+    }
+    std::string result = BMSJsonUtil::GetJsonString(jsonObject, true);
+    cJSON_Delete(jsonObject);
+    return result;
 }
 
 void DeployQuickFixResult::SetResCode(int32_t resCode)
@@ -125,11 +133,16 @@ SwitchQuickFixResult *SwitchQuickFixResult::Unmarshalling(Parcel &parcel)
 
 std::string SwitchQuickFixResult::ToString() const
 {
-    nlohmann::json switchResultJson = nlohmann::json {
-        { QUICK_FIX_RESULT_CODE, resultCode },
-        { QUICK_FIX_BUNDLE_NAME, bundleName }
-    };
-    return switchResultJson.dump(Constants::DUMP_INDENT);
+    cJSON* jsonObject = cJSON_CreateObject();
+    if (!jsonObject || !cJSON_IsObject(jsonObject)) {
+        APP_LOGE("Invalid JSON object");
+        return "";
+    }
+    cJSON_AddNumberToObject(jsonObject, QUICK_FIX_RESULT_CODE, resultCode);
+    cJSON_AddStringToObject(jsonObject, QUICK_FIX_BUNDLE_NAME, bundleName.c_str());
+    std::string result = BMSJsonUtil::GetJsonString(jsonObject, true);
+    cJSON_Delete(jsonObject);
+    return result;
 }
 
 int32_t SwitchQuickFixResult::GetResCode()
@@ -169,11 +182,16 @@ DeleteQuickFixResult *DeleteQuickFixResult::Unmarshalling(Parcel &parcel)
 
 std::string DeleteQuickFixResult::ToString() const
 {
-    nlohmann::json deleteResultJson = nlohmann::json {
-        { QUICK_FIX_RESULT_CODE, resultCode },
-        { QUICK_FIX_BUNDLE_NAME, bundleName }
-    };
-    return deleteResultJson.dump(Constants::DUMP_INDENT);
+    cJSON* jsonObject = cJSON_CreateObject();
+    if (!jsonObject || !cJSON_IsObject(jsonObject)) {
+        APP_LOGE("Invalid JSON object");
+        return "";
+    }
+    cJSON_AddNumberToObject(jsonObject, QUICK_FIX_RESULT_CODE, resultCode);
+    cJSON_AddStringToObject(jsonObject, QUICK_FIX_BUNDLE_NAME, bundleName.c_str());
+    std::string result = BMSJsonUtil::GetJsonString(jsonObject, true);
+    cJSON_Delete(jsonObject);
+    return result;
 }
 
 int32_t DeleteQuickFixResult::GetResCode()