diff --git a/UI/Controllers/UpgradeController.cs b/UI/Controllers/UpgradeController.cs
index facd4bf..9a0bc7e 100644
--- a/UI/Controllers/UpgradeController.cs
+++ b/UI/Controllers/UpgradeController.cs
@@ -573,6 +573,16 @@ namespace UI.Controllers
             public string DevName { get; set; } // 设备名称
         }
 
+        private class RoomVisitLogFormRow
+        {
+            public string HotelID { get; set; }
+            public string RoomNumber { get; set; }
+            public string EquipmentStatus { get; set; }
+            public string FaultDescription { get; set; }
+            public string UpdateDate { get; set; }
+            public string DevName { get; set; }
+        }
+
         /// <summary>
         /// 写入房间设备访问日志
         /// </summary>
@@ -596,25 +606,24 @@ namespace UI.Controllers
                 }
 
                 // 创建日志列表
-                var logList = new List<object>();
                 string updateDate = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
 
-                foreach (var equipment in EquipmentList)
+                var logList = EquipmentList.Select(equipment => new RoomVisitLogFormRow
                 {
-                    logList.Add(new {
-                        HotelID = HotelID,
-                        RoomNumber = RoomNumber,
-                        EquipmentStatus = equipment.EquipmentStatus,
-                        FaultDescription = equipment.FaultDescription,
-                        UpdateDate = updateDate,
-                        DevName = equipment.DevName
-                    });
-                }
+                    HotelID = HotelID,
+                    RoomNumber = RoomNumber,
+                    EquipmentStatus = equipment.EquipmentStatus,
+                    FaultDescription = equipment.FaultDescription,
+                    UpdateDate = updateDate,
+                    DevName = equipment.DevName
+                }).ToList();
 
                 // 批量写入数据库
-                SqlSugarBase.RcuDb.Ado.ExecuteCommand("INSERT INTO tbl_roomvisitlogform (HotelID, RoomNumber, EquipmentStatus, FaultDescription, UpdateDate, DevName) VALUES (@HotelID, @RoomNumber, @EquipmentStatus, @FaultDescription, @UpdateDate, @DevName)", logList);
+                var insertCount = SqlSugarBase.RcuDb.Insertable(logList)
+                    .AS("tbl_roomvisitlogform")
+                    .ExecuteCommand();
 
-                return Json(new { Status = 1, Message = "写入成功", Count = logList.Count }, JsonRequestBehavior.AllowGet);
+                return Json(new { Status = 1, Message = "写入成功", Count = insertCount }, JsonRequestBehavior.AllowGet);
             }
             catch (Exception ex)
             {
@@ -643,13 +652,43 @@ namespace UI.Controllers
 
                 // 构建查询条件
                 string whereClause = "WHERE HotelID = @HotelID AND RoomNumber = @RoomNumber";
-                var parameters = new { HotelID, RoomNumber };
+                var parameters = new Dictionary<string, object>
+                {
+                    { "HotelID", HotelID },
+                    { "RoomNumber", RoomNumber }
+                };
+
+                DateTime startDateTime = default(DateTime);
+                DateTime endDateTime = default(DateTime);
+                bool hasStart = !string.IsNullOrWhiteSpace(StartTime);
+                bool hasEnd = !string.IsNullOrWhiteSpace(EndTime);
+
+                if (hasStart && !DateTime.TryParse(StartTime, out startDateTime))
+                {
+                    return Json(new { Status = 0, Message = "StartTime 格式错误，应为 yyyy-MM-dd HH:mm:ss" }, JsonRequestBehavior.AllowGet);
+                }
+
+                if (hasEnd && !DateTime.TryParse(EndTime, out endDateTime))
+                {
+                    return Json(new { Status = 0, Message = "EndTime 格式错误，应为 yyyy-MM-dd HH:mm:ss" }, JsonRequestBehavior.AllowGet);
+                }
 
                 // 如果提供了开始时间和结束时间，则添加时间范围条件
-                if (!string.IsNullOrWhiteSpace(StartTime) && !string.IsNullOrWhiteSpace(EndTime))
+                if (hasStart && hasEnd)
                 {
                     whereClause += " AND UpdateDate BETWEEN @StartTime AND @EndTime";
-                    parameters = new { HotelID, RoomNumber, StartTime, EndTime };
+                    parameters["StartTime"] = startDateTime.ToString("yyyy-MM-dd HH:mm:ss");
+                    parameters["EndTime"] = endDateTime.ToString("yyyy-MM-dd HH:mm:ss");
+                }
+                else if (hasStart)
+                {
+                    whereClause += " AND UpdateDate >= @StartTime";
+                    parameters["StartTime"] = startDateTime.ToString("yyyy-MM-dd HH:mm:ss");
+                }
+                else if (hasEnd)
+                {
+                    whereClause += " AND UpdateDate <= @EndTime";
+                    parameters["EndTime"] = endDateTime.ToString("yyyy-MM-dd HH:mm:ss");
                 }
 
                 // 构建完整的SQL查询语句