diff --git a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/PersonnelManagement/Controllers/MeetingManagementController.cs b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/PersonnelManagement/Controllers/MeetingManagementController.cs
index b003db4ae..afd25fe52 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/PersonnelManagement/Controllers/MeetingManagementController.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/PersonnelManagement/Controllers/MeetingManagementController.cs	
@@ -170,6 +170,12 @@ namespace Learun.Application.Web.Areas.PersonnelManagement.Controllers
         {
             UserInfo userInfo = LoginUserInfo.Get();
             MeetingManagementEntity entity = strEntity.ToObject<MeetingManagementEntity>();
+            //判断会议场地是否被占用
+            var isOccupy = meetingManagementIBLL.JudgeIsOccupy(entity);
+            if (isOccupy)
+            {
+                return Fail("会议场地当前时间段已被占用！");
+            }
             entity.CreateUser = userInfo.userId;
             entity.CreateTime = DateTime.Now;
             entity.CheckStatus = "0";
@@ -200,6 +206,13 @@ namespace Learun.Application.Web.Areas.PersonnelManagement.Controllers
         [AjaxOnly]
         public ActionResult DoSubmit(string keyValue, string status, string processId)
         {
+            //判断会议场地是否被占用
+            var entity = meetingManagementIBLL.GetMeetingManagementEntity(keyValue);
+            var isOccupy = meetingManagementIBLL.JudgeIsOccupy(entity);
+            if (isOccupy)
+            {
+                return Fail("会议场地当前时间段已被占用！");
+            }
             meetingManagementIBLL.DoSubmit(keyValue, status, processId);
             return Success("操作成功！");
         }
diff --git a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/PersonnelManagement/Views/MeetingManagement/Form.js b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/PersonnelManagement/Views/MeetingManagement/Form.js
index 469b7203c..86247033c 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/PersonnelManagement/Views/MeetingManagement/Form.js	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/PersonnelManagement/Views/MeetingManagement/Form.js	
@@ -93,6 +93,14 @@ var bootstrap = function ($, learun) {
         if (!$('body').lrValidform()) {
             return false;
         }
+        //验证结束时间必须大于开始时间
+        var BeginTime = $("#BeginTime").val();
+        var EndTime = $("#EndTime").val();
+        if (new Date(EndTime) <= new Date(BeginTime)) {
+            learun.alert.warning("会议结束时间必须大于会议开始时间！");
+            return false;
+        }
+
         return true;
     };
     // 保存数据
diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementBLL.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementBLL.cs
index 6db1c2702..ee0a04f39 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementBLL.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementBLL.cs	
@@ -215,6 +215,30 @@ namespace Learun.Application.TwoDevelopment.PersonnelManagement
             }
         }
 
+        /// <summary>
+        /// 判断会议场地是否被占用
+        /// <param name="keyValue">主键</param>
+        /// <summary>
+        /// <returns></returns>
+        public bool JudgeIsOccupy(MeetingManagementEntity entity)
+        {
+            try
+            {
+                return meetingManagementService.JudgeIsOccupy(entity);
+            }
+            catch (Exception ex)
+            {
+                if (ex is ExceptionEx)
+                {
+                    throw;
+                }
+                else
+                {
+                    throw ExceptionEx.ThrowBusinessException(ex);
+                }
+            }
+        }
+
         /// <summary>
         /// 审核实体数据
         /// <param name="keyValue">主键</param>
diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementIBLL.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementIBLL.cs
index 236b539c4..17bfe3c1f 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementIBLL.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementIBLL.cs	
@@ -70,6 +70,13 @@ namespace Learun.Application.TwoDevelopment.PersonnelManagement
         /// <summary>
         /// <returns></returns>
         void DoSubmit(string keyValue, string status, string processId);
+
+        /// <summary>
+        /// 判断会议场地是否被占用
+        /// <param name="keyValue">主键</param>
+        /// <summary>
+        /// <returns></returns>
+        bool JudgeIsOccupy(MeetingManagementEntity entity);
         /// <summary>
         /// 审核实体数据
         /// <param name="keyValue">主键</param>
diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementService.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementService.cs
index c159ae22c..94b23a4e5 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementService.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingManagement/MeetingManagementService.cs	
@@ -378,6 +378,57 @@ namespace Learun.Application.TwoDevelopment.PersonnelManagement
             }
         }
 
+        /// <summary>
+        /// 判断会议场地是否被占用
+        /// <param name="keyValue">主键</param>
+        /// <summary>
+        /// <returns></returns>
+        public bool JudgeIsOccupy(MeetingManagementEntity entity)
+        {
+            try
+            {
+                var result = false;//默认false，代表未占用
+
+                //查找已提交/已审核通过的会议场地
+                var list = this.BaseRepository("CollegeMIS").FindList<MeetingManagementEntity>(x => x.MeetingPlace == entity.MeetingPlace && (x.CheckStatus == "1" || x.CheckStatus == "3")).OrderBy(x => x.BeginTime);
+                if (list.Any())
+                {
+                    //有则判断时间是否冲突
+                    foreach (var item in list)
+                    {
+                        //开始时间：小于区间左，则判断结束时间；区间中间，则占用；大于区间右，则不占用；
+                        if (entity.BeginTime < item.BeginTime)
+                        {
+                            //结束时间：小于区间左，则不占用；
+                            if (entity.EndTime > item.BeginTime)
+                            {
+                                result = true;
+                                return result;
+                            }
+                        }
+                        else if(entity.BeginTime < item.EndTime)
+                        {
+                            result = true;
+                            return result;
+                        }
+                    }
+                }
+
+                return result;
+            }
+            catch (Exception ex)
+            {
+                if (ex is ExceptionEx)
+                {
+                    throw;
+                }
+                else
+                {
+                    throw ExceptionEx.ThrowServiceException(ex);
+                }
+            }
+        }
+
         /// <summary>
         /// 审核实体数据
         /// <param name="keyValue">主键</param>