diff --git a/src/Core/MainPlugin.cs b/src/Core/MainPlugin.cs
index 3eda1d7..820de55 100644
--- a/src/Core/MainPlugin.cs
+++ b/src/Core/MainPlugin.cs
@@ -490,14 +490,39 @@ namespace NavisworksTransport
                 // 文档加载完成，初始化PathDatabase
                 if (!string.IsNullOrEmpty(activeDoc?.FileName))
                 {
-                    GlobalExceptionHandler.SafeExecute(() =>
+                    try
                     {
                         var pathManager = PathPlanningManager.GetActivePathManager();
                         if (pathManager != null)
                         {
                             pathManager.DatabaseInitialize();
                         }
-                    }, "初始化PathDatabase");
+                    }
+                    catch (Exception ex)
+                    {
+                        // 数据库初始化失败是严重错误，需要明确提示用户
+                        var errorMsg = $"数据库初始化失败：{ex.Message}\n\n";
+                        errorMsg += "可能的原因：\n";
+                        errorMsg += "1. 文件夹权限不足\n";
+                        errorMsg += "2. 磁盘空间不足\n";
+                        errorMsg += "3. 数据库文件被锁定\n";
+                        errorMsg += "4. SQLite 组件损坏\n\n";
+                        errorMsg += "详细信息请查看日志文件。";
+
+                        LogManager.Error($"[文档管理] 数据库初始化失败: {ex.Message}", ex);
+                        LogManager.Error($"[文档管理] 文档路径: {activeDoc.FileName}");
+                        LogManager.Error($"[文档管理] 异常类型: {ex.GetType().Name}");
+                        LogManager.Error($"[文档管理] 堆栈信息: {ex.StackTrace}");
+
+                        System.Windows.MessageBox.Show(
+                            errorMsg,
+                            "数据库初始化失败",
+                            System.Windows.MessageBoxButton.OK,
+                            System.Windows.MessageBoxImage.Error
+                        );
+
+                        // 不重新抛出，避免插件崩溃，但批处理等功能将不可用
+                    }
                 }
             }
             else if (_hasModels && !currentHasModels)
diff --git a/src/Core/PathDatabase.cs b/src/Core/PathDatabase.cs
index ede344a..54a8570 100644
--- a/src/Core/PathDatabase.cs
+++ b/src/Core/PathDatabase.cs
@@ -231,9 +231,6 @@ namespace NavisworksTransport
                     VirtualVehicleLength REAL,
                     VirtualVehicleWidth REAL,
                     VirtualVehicleHeight REAL,
-                    VehicleModelIndex INTEGER,
-                    VehiclePathId TEXT,
-                    VehicleObjectName TEXT,
                     DetectAllObjects INTEGER NOT NULL DEFAULT 1,
                     ClashDetectiveTestName TEXT,
                     CollisionCount INTEGER,
diff --git a/src/Core/PathPlanningManager.cs b/src/Core/PathPlanningManager.cs
index d88cb19..3b18887 100644
--- a/src/Core/PathPlanningManager.cs
+++ b/src/Core/PathPlanningManager.cs
@@ -191,6 +191,9 @@ namespace NavisworksTransport
             catch (Exception ex)
             {
                 LogManager.Error($"初始化路径分析数据库失败: {ex.Message}", ex);
+                LogManager.Error($"数据库路径: {Application.ActiveDocument?.FileName}");
+                LogManager.Error($"异常类型: {ex.GetType().Name}");
+                throw;  // 重新抛出异常，让调用者知道初始化失败
             }
         }