diff --git a/DHSoftware/Utils/DataBaseUtil.cs b/DHSoftware/Utils/DataBaseUtil.cs
index ab624ea..bc048cc 100644
--- a/DHSoftware/Utils/DataBaseUtil.cs
+++ b/DHSoftware/Utils/DataBaseUtil.cs
@@ -21,17 +21,23 @@ namespace DHSoftware.Utils
             EnsureDirectoryExists();
             using (var db = GetDatabase())
             {
-                // 创建所有表
-                db.CodeFirst.InitTables(
-                    typeof(User),
-                    typeof(Role),
-                    typeof(Permission),
-                    typeof(UserRole),
-                    typeof(RolePermission)
-                );
+                // 检查初始化状态（通过检查是否存在系统表）
+                bool isInitialized = db.DbMaintenance.IsAnyTable("RolePermission");
 
-                // 初始化基础数据
-                InitializeSeedData(db);
+                if (!isInitialized)
+                {
+                    // 创建所有表
+                    db.CodeFirst.InitTables(
+                        typeof(User),
+                        typeof(Role),
+                        typeof(Permission),
+                        typeof(UserRole),
+                        typeof(RolePermission)
+                    );
+
+                    // 初始化基础数据
+                    InitializeSeedData(db);
+                }
             }
         }