diff --git a/include/generalJsonParsing.hpp b/include/generalJsonParsing.hpp
index 6a811bc..8d0fdb7 100644
--- a/include/generalJsonParsing.hpp
+++ b/include/generalJsonParsing.hpp
@@ -12,11 +12,23 @@ static nlohmann::json readJsonFromPath(std::string path)
         std::cerr << "Could not open the file - " << path << std::endl;
         return jsonObj;
     }
+    inputFile.seekg(0, std::ios::end);
+    std::streamsize fileSize = inputFile.tellg();
+    inputFile.seekg(0, std::ios::beg);
+    if(fileSize == 0)
+        return jsonObj;
     try {
         inputFile >> jsonObj;
     }
-    catch (nlohmann::json::parse_error& e) {
-        std::cerr << "JSON parse error: " << e.what() << std::endl;
+    catch (const std::exception& e) {
+        std::cerr << "JSON parse error: "
+            << e.what() << std::endl;
+        return jsonObj;
+    }
+    catch (...) {
+        std::cerr << "Unknown JSON error in file: "
+            << path << std::endl;
+
         return jsonObj;
     }
 
diff --git a/include/global.h b/include/global.h
index c54aee0..c2a2a9f 100644
--- a/include/global.h
+++ b/include/global.h
@@ -11,7 +11,7 @@
 #include <QDir>
 
 #pragma execution_character_set("utf-8")
-const std::string softwareVersion = "20260416-2.5.1";//版本号
+const std::string softwareVersion = "20260507-2.5.2";//版本号
 const std::string euiJsonVersion = "1.0.6";//json标准版本
 #define GigaByte 1073741824//1GB字节大小
 #define globalDatabasePth "./sqlDatabase/eui_db.db" //全局数据库路径
diff --git a/src/core/service/halconGuard.h b/src/core/service/halconGuard.h
index 81b9cf6..a7773f9 100644
--- a/src/core/service/halconGuard.h
+++ b/src/core/service/halconGuard.h
@@ -245,7 +245,7 @@ public:
                 info.callCount = 0;
                 info.totalTime = 0;
                 info.maxCostTime = 0;
-                info.minCostTime = 0;
+                info.minCostTime = 999999.0;
             }
         }
     }
diff --git a/src/core/service/handleAiGpuThreadGuard.h b/src/core/service/handleAiGpuThreadGuard.h
index ded980f..628b3a8 100644
--- a/src/core/service/handleAiGpuThreadGuard.h
+++ b/src/core/service/handleAiGpuThreadGuard.h
@@ -25,6 +25,7 @@ public:
         QMutexLocker locker(&vectorMutex);
         return static_cast<int>(modelPtrs.size());
     }
+    //获取最新的SEG模型
     getModelPtrResult getModelPtr(const int& id) {
         QMutexLocker locker(&vectorMutex);
         if (id < 0 || id >= static_cast<int>(modelPtrs.size()) || id >= static_cast<int>(modelMutexs.size())) {
@@ -49,15 +50,16 @@ public:
         modelPtrs[id].second = newPtr;
     }
     void submitTime(double time) {
-        QMutexLocker locker(&timeMutex);
-        totalTime += time;
+        totalTime = totalTime + time;
         callCount++;
-        maxCostTime = std::max(maxCostTime, time);
-        minCostTime = std::min(minCostTime, time);
+        maxCostTime = std::max(maxCostTime.load(), time);
+        minCostTime = std::min(minCostTime.load(), time);
         //每十次发送一次平均耗时到界面 每千次输出一次日志并重置数据
         if (callCount % 10 == 0) {
             double avgTime = callCount > 0 ? totalTime / callCount : 0.0;
-			emit bridge->handleAiManager_refreshTimeCostViewer(modelDiscribe, QString::number(avgTime, 'f', 2) + "ms", QString::number(maxCostTime, 'f', 2) + "ms", QString::number(minCostTime, 'f', 2) + "ms");
+            if (bridge != nullptr) {
+				emit bridge->handleAiManager_refreshTimeCostViewer(modelDiscribe, QString::number(avgTime, 'f', 2) + "ms", QString::number(maxCostTime, 'f', 2) + "ms", QString::number(minCostTime, 'f', 2) + "ms");
+            }
             if (callCount == 1000) {
                 qInfo() << QString::fromStdString(path) + "近千次平均耗时" << avgTime << "ms,最高" << maxCostTime << "ms,最低" << minCostTime << "ms";
                 callCount = 0;
@@ -67,9 +69,9 @@ public:
             }
         }
     }
-    double avgTime() { QMutexLocker locker(&timeMutex); return callCount > 0 ? totalTime / callCount : 0.0; }// 平均耗时（毫秒）
-    double maxTime() { QMutexLocker locker(&timeMutex); return maxCostTime; }// 最大耗时（毫秒）
-    double minTime() { QMutexLocker locker(&timeMutex); return minCostTime; }// 最小耗时（毫秒）
+    double avgTime() {  return callCount > 0 ? totalTime / callCount : 0.0; }// 平均耗时（毫秒）
+    double maxTime() {  return maxCostTime; }// 最大耗时（毫秒）
+    double minTime() {  return minCostTime; }// 最小耗时（毫秒）
     std::string path;
 private:
     QString modelDiscribe;//模型描述
@@ -79,9 +81,8 @@ private:
     std::vector<std::pair<int, handleAiModelPtr*>> modelPtrs;
     std::vector<QMutex*> modelMutexs;
 
-    QMutex timeMutex; // 保护耗时统计的互斥锁
-    double totalTime = 0.0, maxCostTime = 0.0, minCostTime = 99999.0;
-    int callCount = 0;// 提交耗时的次数
+    std::atomic<double> totalTime = 0.0, maxCostTime = 0.0, minCostTime = 99999.0;
+    std::atomic<int> callCount = 0;// 提交耗时的次数
 };
 
 class segModelWithGuard {
@@ -89,18 +90,18 @@ public:
     segModelWithGuard(int idIn, std::shared_ptr<handleAiModelInfo<handdleAI::pSegmentation>> segPtrIn) {
         segInfoPtr = segPtrIn;
         auto modelPtrResult = segInfoPtr->getModelPtr(idIn);
-        segPtr = modelPtrResult.modelPtr;
         modelMutex = modelPtrResult.modelMutex;
-        id = modelPtrResult.gpuId;
+        modelId = idIn;
     }
     ~segModelWithGuard() = default;
 
     cv::Mat Evaluate(const cv::Mat& input) {
-        if (!segPtr || !segInfoPtr || !modelMutex) {
-            qCritical() << QString::fromStdString(segInfoPtr->path) << "模型未初始化";
+        if (!segInfoPtr || !modelMutex) {
+            qCritical() << QString::fromStdString(segInfoPtr ? segInfoPtr->path : std::string()) << "模型未初始化";
             return cv::Mat();
         }
         QMutexLocker locker(modelMutex);
+        auto segPtr = segInfoPtr->getModelPtr(modelId).modelPtr;
         timer.restart();
 		cv::Mat result = segPtr->Evaluate(input);
 		segInfoPtr->submitTime(timer.elapsed());
@@ -108,21 +109,23 @@ public:
     }
     std::vector<cv::Mat> bunchEvaluate(const std::vector<cv::Mat>& input) {
         std::vector<cv::Mat> result;
-        if (!segPtr || !segInfoPtr || !modelMutex) {
-            qCritical() << QString::fromStdString(segInfoPtr->path) << "模型未初始化";
+        if (!segInfoPtr || !modelMutex) {
+            qCritical() << QString::fromStdString(segInfoPtr ? segInfoPtr->path : std::string()) << "模型未初始化";
             return result;
         }
-        result.reserve(input.size());
+        result.reserve(input.size()); 
         QMutexLocker locker(modelMutex);
+        timer.restart();
+        auto segPtr = segInfoPtr->getModelPtr(modelId).modelPtr;
         for (const auto& img : input) {
             result.push_back(segPtr->Evaluate(img));
         }
+        segInfoPtr->submitTime(timer.elapsed());
         return result;
     }
 private:
     QElapsedTimer timer;
-    int id = -1;
-    handdleAI::pSegmentation* segPtr = nullptr;
+    int modelId = -1; 
     std::shared_ptr<handleAiModelInfo<handdleAI::pSegmentation>> segInfoPtr = nullptr;
     QMutex* modelMutex = nullptr;//根据不同模型共用的锁
 };
@@ -132,9 +135,8 @@ public:
     clsModelWithGuard(int idIn, std::shared_ptr<handleAiModelInfo<handdleAI::pClassification>> ptrIn) {
         clsInfoPtr = ptrIn;
         auto modelPtrResult = clsInfoPtr->getModelPtr(idIn);
-        clsModelPtr = modelPtrResult.modelPtr;
         modelMutex = modelPtrResult.modelMutex;
-        id = modelPtrResult.gpuId;
+        modelId = idIn;
     }
     ~clsModelWithGuard() = default;
     struct clsResult {
@@ -142,33 +144,36 @@ public:
         double prob = 0.0;
     };
     clsResult Evaluate(const cv::Mat& input) {
-        if (!clsModelPtr || !clsInfoPtr || !modelMutex) {
+        if (!clsInfoPtr || !modelMutex) {
             qCritical() << QString::fromStdString(clsInfoPtr ? clsInfoPtr->path : std::string()) << "模型未初始化";
             return { -1,0.0 };
         }
         QMutexLocker locker(modelMutex);
         timer.restart();
-		clsResult result{ clsModelPtr->Evaluate(input),clsModelPtr->getProbability() };
+		auto clsPtr = clsInfoPtr->getModelPtr(modelId).modelPtr;
+		clsResult result{ clsPtr->Evaluate(input),clsPtr->getProbability() };
         clsInfoPtr->submitTime(timer.elapsed());
         return result;
     }
     std::vector<clsResult> bunchEvaluate(const std::vector<cv::Mat>& input) {
         std::vector<clsResult> result;
-        if (!clsModelPtr || !clsInfoPtr || !modelMutex) {
+        if (!clsInfoPtr || !modelMutex) {
             qCritical() << QString::fromStdString(clsInfoPtr ? clsInfoPtr->path : std::string()) << "模型未初始化";
             return result;
         }
         result.reserve(input.size());
         QMutexLocker locker(modelMutex);
+        timer.restart();
+        auto clsPtr = clsInfoPtr->getModelPtr(modelId).modelPtr;
         for (const auto& img : input) {
-            result.push_back({ clsModelPtr->Evaluate(img),clsModelPtr->getProbability() });
+            result.push_back({ clsPtr->Evaluate(img),clsPtr->getProbability() });
         }
+        clsInfoPtr->submitTime(timer.elapsed());
         return result;
     }
 private:
     QElapsedTimer timer;
-    int id = -1;
-    handdleAI::pClassification* clsModelPtr = nullptr;
+    int modelId = -1;
     std::shared_ptr<handleAiModelInfo<handdleAI::pClassification>> clsInfoPtr = nullptr;
     QMutex* modelMutex = nullptr;
 };
@@ -178,22 +183,22 @@ public:
     detModelWithGuard(int idIn, std::shared_ptr<handleAiModelInfo<handdleAI::pDetection>> ptrIn) {
         detInfoPtr = ptrIn;
         auto modelPtrResult = detInfoPtr->getModelPtr(idIn);
-        detModelPtr = modelPtrResult.modelPtr;
         modelMutex = modelPtrResult.modelMutex;
-        id = modelPtrResult.gpuId;
+        modelId = idIn;
     }
     ~detModelWithGuard() = default;
 
     // 单张推理
-    auto Evaluate(const cv::Mat& input) {
-        if (!detModelPtr || !detInfoPtr || !modelMutex) {
+    std::vector<handdleAI::Bbox> Evaluate(const cv::Mat& input) {
+        if (!detInfoPtr || !modelMutex) {
             qCritical() << QString::fromStdString(detInfoPtr ? detInfoPtr->path : std::string()) << "模型未初始化";
-            return decltype(detModelPtr->Evaluate(input))();
+            return std::vector<handdleAI::Bbox>();
         }
 
         QMutexLocker locker(modelMutex);
         timer.restart();
-        auto result = detModelPtr->Evaluate(input);
+        auto detPtr = detInfoPtr->getModelPtr(modelId).modelPtr;
+        auto result = detPtr->Evaluate(input);
         detInfoPtr->submitTime(timer.elapsed());
         return result;
     }
@@ -203,25 +208,25 @@ public:
 
         std::vector<std::vector<handdleAI::Bbox>> result;
 
-        if (!detModelPtr || !detInfoPtr || !modelMutex) {
+        if (!detInfoPtr || !modelMutex) {
             qCritical() << QString::fromStdString(detInfoPtr ? detInfoPtr->path : std::string()) << "模型未初始化";
             return result;
         }
 
         QMutexLocker locker(modelMutex);
-
+        timer.restart();
         result.reserve(input.size());
+        auto detPtr = detInfoPtr->getModelPtr(modelId).modelPtr;
         for (const auto& img : input) {
-            result.push_back(detModelPtr->Evaluate(img));
+            result.push_back(detPtr->Evaluate(img));
         }
-
+        detInfoPtr->submitTime(timer.elapsed());
         return result;
     }
 
 private:
     QElapsedTimer timer;
-    int id = -1;
-    handdleAI::pDetection* detModelPtr = nullptr;
+    int modelId = -1;
     std::shared_ptr<handleAiModelInfo<handdleAI::pDetection>> detInfoPtr = nullptr;
     QMutex* modelMutex = nullptr;
 };
@@ -295,8 +300,6 @@ public:
         int gpuIdIn,
         QString modelDiscribe) {
 
-        QMutexLocker locker(&mutex);
-
         //如果不存在则创建新的
         bool firtTime = false;
         if (!segPtrs.contains(path)) {
@@ -335,6 +338,7 @@ public:
             }
         }
 #pragma endregion
+        QMutexLocker locker(&mutex);
         //获取详情
         auto segInfo = segPtrs[path];
         int modelId = segInfo->addModelPtr(
@@ -342,11 +346,11 @@ public:
             gpuIdIn, modelDiscribe);
 
         //初次时注册在线更新按钮
-        if (firtTime) {
+        if (firtTime && bridge != nullptr) {
             emit bridge->modelInit_addBtn(modelDiscribe + " 模型在线更新",
                 "描述:" + modelDiscribe +
                 "\n路径:" + QString::fromStdString(path) +
-                + "\nbatchSize:" + QString::number(batchSize),
+                "\nbatchSize:" + QString::number(batchSize),
                 { "modelManager#update#seg#" + QString::fromStdString(path) + "#" + QString::number(batchSize) + "#" });
             emit bridge->handleAiManager_addTimeCostViewer(modelDiscribe, { "平均耗时","最大耗时","最小耗时" });
         }
@@ -362,7 +366,6 @@ public:
         int gpuIdIn,
         QString modelDiscribe) {
 
-        QMutexLocker locker(&mutex);
         //如果不存在则创建新的
         bool firtTime = false;
         if (!clsPtrs.contains(path)) {
@@ -402,6 +405,7 @@ public:
             }
         }
 #pragma endregion
+        QMutexLocker locker(&mutex);
         //获取详情
         auto clsInfo = clsPtrs[path];
         int modelId = clsInfo->addModelPtr(
@@ -409,7 +413,7 @@ public:
             gpuIdIn, modelDiscribe);
 
         ////初次时注册在线更新按钮
-        if (firtTime) {
+        if (firtTime && bridge != nullptr) {
             emit bridge->modelInit_addBtn(modelDiscribe + " 模型在线更新",
                 "描述:" + modelDiscribe +
                 "\n路径:" + QString::fromStdString(path) +
@@ -429,7 +433,6 @@ public:
         int gpuIdIn,
         QString modelDiscribe) {
 
-        QMutexLocker locker(&mutex);
         //如果不存在则创建新的
         bool firtTime = false;
         if (!detPtrs.contains(path)) {
@@ -468,6 +471,7 @@ public:
             }
         }
 #pragma endregion
+        QMutexLocker locker(&mutex);
         //获取详情
         auto detInfo = detPtrs[path];
         int modelId = detInfo->addModelPtr(
@@ -475,11 +479,11 @@ public:
             gpuIdIn, modelDiscribe);
 
         ////初次时注册在线更新按钮
-        if (firtTime) {
+        if (firtTime && bridge != nullptr) {
             emit bridge->modelInit_addBtn(modelDiscribe + " 模型在线更新",
                 "描述:" + modelDiscribe +
                 "\n路径:" + QString::fromStdString(path) +
-                + "\nbatchSize:" + QString::number(batchSize),
+                "\nbatchSize:" + QString::number(batchSize),
                 { "modelManager#update#det#" + QString::fromStdString(path) + "#" + QString::number(batchSize) + "#" });
             emit bridge->handleAiManager_addTimeCostViewer(modelDiscribe, { "平均耗时","最大耗时","最小耗时" });
         }
@@ -525,9 +529,22 @@ private:
         QMutexLocker managerLocker(&mutex);
         bool updated = false;
         //检查模型是否存在
-        bool exist = segPtrs.contains(oldModelPath);
+        bool exist = false;
+        switch (type) {
+        case seg:
+            exist = segPtrs.contains(oldModelPath);
+            break;
+        case cls:
+            exist = clsPtrs.contains(oldModelPath);
+            break;
+        case det:
+            exist = detPtrs.contains(oldModelPath);
+            break;
+        }
         if (!exist) {
-            emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "模型不存在");
+            if (bridge != nullptr) {
+                emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "模型不存在");
+            }
             return;
         }
 
@@ -556,7 +573,9 @@ private:
                 for (int modelId = 0; modelId < modelCount; ++modelId) {
                     auto oldModelPtr = segInfo->getModelPtr(modelId);
                     if (!oldModelPtr.modelPtr || !oldModelPtr.modelMutex) {
-                        emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "模型实例无效");
+                        if (bridge != nullptr) {
+                            emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "模型实例无效");
+                        }
                         continue;
                     }
                     handdleAI::pSegmentation* newPtr = handdleAI::CreateSegObjS((char*)oldModelPath.c_str(), batchSize, oldModelPtr.gpuId);
@@ -576,7 +595,9 @@ private:
                 for (int modelId = 0; modelId < modelCount; ++modelId) {
                     auto oldModelPtr = clsInfo->getModelPtr(modelId);
                     if (!oldModelPtr.modelPtr || !oldModelPtr.modelMutex) {
-                        emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "模型实例无效");
+                        if (bridge != nullptr) {
+                            emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "模型实例无效");
+                        }
                         continue;
                     }
                     handdleAI::pClassification* newPtr = handdleAI::CreateClsObjV3((char*)oldModelPath.c_str(), oldModelPtr.gpuId, batchSize);
@@ -596,7 +617,9 @@ private:
                 for (int modelId = 0; modelId < modelCount; ++modelId) {
                     auto oldModelPtr = detInfo->getModelPtr(modelId);
                     if (!oldModelPtr.modelPtr || !oldModelPtr.modelMutex) {
-                        emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "模型实例无效");
+                        if (bridge != nullptr) {
+                            emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "模型实例无效");
+                        }
                         continue;
                     }
                     handdleAI::pDetection* newPtr = handdleAI::CreateDetObjS((char*)oldModelPath.c_str(), batchSize, oldModelPtr.gpuId);
@@ -611,10 +634,14 @@ private:
             break;
         }
         if (!updated) {
-            emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "路径不存在，无法更新模型");
+            if (bridge != nullptr) {
+                emit bridge->modelInit_modelInitResult(false, QString::fromStdString(oldModelPath) + "路径不存在，无法更新模型");
+            }
         }
         else {
-            emit bridge->modelInit_modelInitResult(true, QString::fromStdString(oldModelPath) + "成功");
+            if (bridge != nullptr) {
+                emit bridge->modelInit_modelInitResult(true, QString::fromStdString(oldModelPath) + "成功");
+            }
         }
     }
     bSignalHub* bridge;
diff --git a/src/launcher/appConfig/auth.hpp b/src/launcher/appConfig/auth.hpp
index 2643cd0..aa84812 100644
--- a/src/launcher/appConfig/auth.hpp
+++ b/src/launcher/appConfig/auth.hpp
@@ -54,6 +54,7 @@ namespace Auth {
 
         // 私有方法实现
         void initializeDefaultUsers() {
+            qDebug() << "初始化默认管理账户";
             // 创建默认管理员账户
             users["admin"] = UserInfo("admin", hashPassword("admin123"), UserLevel::ADMIN, true);
             
@@ -63,18 +64,24 @@ namespace Auth {
             // 创建默认ROOT账户
             users["root"] = UserInfo("root", hashPassword("dseuiroot"), UserLevel::ROOT, true);
         }
-        void checkDefaultUsers() {
+        bool checkDefaultUsers() {
+            bool result = false;
             // 创建默认管理员账户
-            if (users.find("admin") == users.end())
+            if (users.find("admin") == users.end()) {
                 users["admin"] = UserInfo("admin", hashPassword("admin123"), UserLevel::ADMIN, true);
-
+                result = true;
+            }
             // 创建默认访客账户
-            if (users.find("guest") == users.end())
+            if (users.find("guest") == users.end()){
                 users["guest"] = UserInfo("guest", hashPassword("guest123"), UserLevel::GUEST, true);
-
+                result = true;
+            }
             // 创建默认ROOT账户
-            if (users.find("root") == users.end())
+            if (users.find("root") == users.end()) {
                 users["root"] = UserInfo("root", hashPassword("dseuiroot"), UserLevel::ROOT, true);
+                result = true;
+            }
+            return result;
         }
 
         bool loadUsersFromFile() {
@@ -167,13 +174,12 @@ namespace Auth {
                 saveUsersToFile();
             }   
             else {
-                checkDefaultUsers();
-                saveUsersToFile();
+                if (checkDefaultUsers())
+                    saveUsersToFile();
             }
         }
 
         ~UserManager() {
-            saveUsersToFile();
         }
 
         // 用户管理方法
@@ -327,21 +333,22 @@ namespace Auth {
             return static_cast<int>(currentUserLevel) >= static_cast<int>(requiredLevel);
         }
 
-        bool executeWithPermission(UserLevel requiredLevel, AuthCallback callback) {
+        bool executeWithPermission(UserLevel requiredLevel,
+            AuthCallback authSuccessCallback) {
             if (hasPermission(requiredLevel)) {
-                callback();
+                authSuccessCallback();
                 return true;
             } else {
                 std::string errorMessage = "Access denied. Required level: " + userLevelToString(requiredLevel) +
-                                         ", Current level: " + userLevelToString(currentUserLevel);
+                    ", Current level: " + userLevelToString(currentUserLevel);
                 std::cerr << errorMessage << std::endl;
-                
+
                 // 显示权限不足的弹窗
                 QMessageBox::warning(nullptr,
-                                    TR("权限不足"),
-                                    QString(TR("您没有足够的权限执行此操作。\n\n所需等级: %1\n当前等级: %2"))
-                                        .arg(QString::fromStdString(userLevelToString(requiredLevel)))
-                                        .arg(QString::fromStdString(userLevelToString(currentUserLevel))));
+                    TR("权限不足"),
+                    QString(TR("您没有足够的权限执行此操作。\n\n所需等级: %1\n当前等级: %2"))
+                    .arg(QString::fromStdString(userLevelToString(requiredLevel)))
+                    .arg(QString::fromStdString(userLevelToString(currentUserLevel))));
                 return false;
             }
         }