调整修改部门的逻辑

24Hour/Controllers/system/SystemControllerController.cs

@@ -1519,13 +1519,16 @@ namespace _24Hour.Controllers.system
             try
             {
                 //判断单位编码是否已存在
-                var data = await _db.Queryable<App_Sys_DepartModel>().Where(q => q.departCode == Departdata.departCode && q.IsDelete == 0).FirstAsync();
+                var data = await _db.Queryable<App_Sys_DepartModel>().Where(q => q.Id == Departdata.Id && q.IsDelete == 0).FirstAsync();
                 if (data != null)
                 {
-
-                    result.IsSucceed = false;
-                    result.Message = "部门编码已存在！";
-                    return result;
+                    var IsCodeExites = await _db.Queryable<App_Sys_DepartModel>().Where(q => q.departCode == Departdata.departCode && q.IsDelete == 0 && q.Id != Departdata.Id).AnyAsync();
+                    if (IsCodeExites)
+                    {
+                        result.IsSucceed = false;
+                        result.Message = "部门编码已存在！";
+                        return result;
+                    }
                 }
                 _db.BeginTran();
                 var num = await _db.Updateable(Departdata).IgnoreColumns(ignoreAllNullColumns: true).ExecuteCommandAsync();