diff --git a/Learun.Framework.Ultimate V7/Learun.Application.Mobile/www/pages/EvaluationTeach/EvaluationTeahcers/EvaluationTeahcers.js b/Learun.Framework.Ultimate V7/Learun.Application.Mobile/www/pages/EvaluationTeach/EvaluationTeahcers/EvaluationTeahcers.js
index 7f5aad220..ea887bd43 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.Mobile/www/pages/EvaluationTeach/EvaluationTeahcers/EvaluationTeahcers.js	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.Mobile/www/pages/EvaluationTeach/EvaluationTeahcers/EvaluationTeahcers.js	
@@ -56,6 +56,7 @@
 
 
 			$page.find('.shenBtn').on('tap', function() {
+				learun.layer.loading(true, "数据提交中...");
 				var jsonArr= [];
 				var qmustFlag = false;
 				var flag = false;
@@ -84,10 +85,12 @@
 				})
 				// console.log(jsonArr)
 				if(qmustFlag){
+					learun.layer.loading(false);
 					learun.layer.toast('有必选项未选择');
 					return
 				}
 				if(flag){
+					learun.layer.loading(false);
 					learun.layer.toast('有选择项少选或多选');
 					return
 				}
@@ -99,10 +102,20 @@
 				       EmpNo: param.EmpNo,
 				       postarray: jsonArr
 				   }, (res) => {
-                       learun.layer.toast('操作成功');
-                       learun.nav.closeCurrent();
-                       var prepage = learun.nav.getpage('EvaluationTeach');
-                       prepage.grid.reload();
+					   learun.layer.loading(false);
+					   if(res)
+					   {						   
+						   learun.layer.toast('操作成功');
+						   learun.nav.closeCurrent();
+						   var prepage = learun.nav.getpage('EvaluationTeach');
+						   prepage.grid.reload();
+					   }
+					   else
+					   {
+						   learun.nav.closeCurrent();
+						   var prepage = learun.nav.getpage('EvaluationTeach');
+						   prepage.grid.reload();
+					   }
 				   });
 			})
 
diff --git a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/EvaluationTeach/Controllers/Eval_MainController.cs b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/EvaluationTeach/Controllers/Eval_MainController.cs
index 10130448b..ed1c7bb8a 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/EvaluationTeach/Controllers/Eval_MainController.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/EvaluationTeach/Controllers/Eval_MainController.cs	
@@ -279,6 +279,11 @@ namespace Learun.Application.Web.Areas.EvaluationTeach.Controllers
         public ActionResult StudentSubmitForm(string answerlist, string VID, string LessonNo, string EmpNo)
         {
             var userinfo = LoginUserInfo.Get();
+            //判断当前课程、教师是否已评
+            if (ask_MainIBLL.GetQuestionResultCount(VID,userinfo.account,EmpNo,LessonNo).Count()>0)
+            {
+                return Fail("检测到您已对当前教师课程进行过评教操作，请勿重复提交。");
+            }
             List<Eval_QuestionResultEntity> entity = answerlist.ToObject<List<Eval_QuestionResultEntity>>();
             ask_MainIBLL.SaveEval_QuestionResultEntity(entity, VID, LessonNo, EmpNo, userinfo.account, userinfo.realName, userinfo.iPAddress);
             return Success("保存成功！");
diff --git a/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/EvalApi.cs b/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/EvalApi.cs
index e247514a7..f2ace43dd 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/EvalApi.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/EvalApi.cs	
@@ -4,6 +4,7 @@ using Learun.Application.TwoDevelopment.EvaluationTeach;
 using Learun.Util;
 using Nancy;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace Learun.Application.WebApi.Modules
 {
@@ -52,6 +53,10 @@ namespace Learun.Application.WebApi.Modules
             var queryParam = queryJson.ToJObject();
             if (!queryParam["VID"].IsEmpty()&&!queryParam["postarray"].IsEmpty())
             {
+                if (ask_MainIBLL.GetQuestionResultCount(queryParam["VID"].ToString(), userInfo.account, queryParam["EmpNo"].ToString(), queryParam["LessonNo"].ToString()).Count() > 0)
+                {
+                    return Fail("检测到您已对当前教师课程进行过评教操作，请勿重复提交。");
+                }
                 List<Eval_QuestionResultEntity> entity = queryParam["postarray"].ToObject<List<Eval_QuestionResultEntity>>();
                 ask_MainIBLL.SaveEval_QuestionResultEntity(entity, queryParam["VID"].ToString(), queryParam["LessonNo"].ToString(), queryParam["EmpNo"].ToString(), userInfo.account, userInfo.realName, userInfo.iPAddress);
                 return Success("保存成功");
diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainBLL.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainBLL.cs
index 856e59034..a189748a0 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainBLL.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainBLL.cs	
@@ -278,6 +278,32 @@ namespace Learun.Application.TwoDevelopment.EvaluationTeach
             }
         }
 
+        /// <summary>
+        /// 判断当前用户是否已填写对应表单
+        /// </summary>
+        /// <param name="keyValue"></param>
+        /// <param name="stuno"></param>
+        /// <param name="EmpNo"></param>
+        /// <param name="LessonNo"></param>
+        /// <returns></returns>
+        public IEnumerable<Eval_QuestionResultEntity> GetQuestionResultCount(string keyValue, string stuno, string EmpNo, string LessonNo)
+        {
+            try
+            {
+                return ask_MainService.GetQuestionResultCount(keyValue, stuno, EmpNo, LessonNo);
+            }
+            catch (Exception ex)
+            {
+                if (ex is ExceptionEx)
+                {
+                    throw;
+                }
+                else
+                {
+                    throw ExceptionEx.ThrowBusinessException(ex);
+                }
+            }
+        }
         #endregion
 
     }
diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainIBLL.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainIBLL.cs
index 4c155b3c2..038d7a035 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainIBLL.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainIBLL.cs	
@@ -64,6 +64,16 @@ namespace Learun.Application.TwoDevelopment.EvaluationTeach
         /// <returns></returns>
         IEnumerable<Eval_QuestionResultEntity> GetTeacherIndexPageList2(Pagination paginationobj, string queryJson);
 
+        /// <summary>
+        /// 判断当前用户是否已填写对应表单
+        /// </summary>
+        /// <param name="keyValue"></param>
+        /// <param name="stuno"></param>
+        /// <param name="EmpNo"></param>
+        /// <param name="LessonNo"></param>
+        /// <returns></returns>
+        IEnumerable<Eval_QuestionResultEntity> GetQuestionResultCount(string keyValue, string stuno, string EmpNo,
+            string LessonNo);
 
     }
 }
diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainService.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainService.cs
index 85120d8fa..f9224e0c6 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainService.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EvaluationTeach/Eval_Main/Eval_MainService.cs	
@@ -570,5 +570,35 @@ where 1=1 ");
             }
         }
 
+        /// <summary>
+        /// 判断当前用户是否已填写对应表单
+        /// </summary>
+        /// <param name="keyValue"></param>
+        /// <param name="stuno"></param>
+        /// <param name="EmpNo"></param>
+        /// <param name="LessonNo"></param>
+        /// <returns></returns>
+        public IEnumerable<Eval_QuestionResultEntity> GetQuestionResultCount(string keyValue, string stuno, string EmpNo, string LessonNo)
+        {
+            try
+            {
+                string sql = @"select c.* from [dbo].[Eval_Main] a left join [dbo].[Eval_Question] b on a.vid=b.vid
+                left join[dbo].[Eval_QuestionResult] c on b.qid=c.qid
+                where a.vid='"+keyValue+"' and c.empno='"+EmpNo+"' and c.lessonno= '"+LessonNo+"' and c.uid= '"+stuno+"'";
+                return BaseRepository().FindList<Eval_QuestionResultEntity>(sql);
+            }
+            catch (Exception ex)
+            {
+                if (ex is ExceptionEx)
+                {
+                    throw;
+                }
+                else
+                {
+                    throw ExceptionEx.ThrowServiceException(ex);
+                }
+            }
+        }
+
     }
 }