diff --git a/haiwei-activiti/src/main/java/com/haiwei/activiti/controller/ExperimentRequestController.java b/haiwei-activiti/src/main/java/com/haiwei/activiti/controller/ExperimentRequestController.java
index 3077e0d..96b14ef 100644
--- a/haiwei-activiti/src/main/java/com/haiwei/activiti/controller/ExperimentRequestController.java
+++ b/haiwei-activiti/src/main/java/com/haiwei/activiti/controller/ExperimentRequestController.java
@@ -185,7 +185,7 @@ public class ExperimentRequestController extends BaseController
     }
 
     /**
-     * 修改实验申请信息
+     * 修改实验申请信息交流内容
      */
     @GetMapping("/editCommunicationContent/{objid}")
     public String editCommunicationContent(@PathVariable("objid") Long objid, ModelMap mmap)
@@ -197,7 +197,7 @@ public class ExperimentRequestController extends BaseController
     }
 
     /**
-     * 修改实验申请信息
+     * 修改实验申请信息准备工具
      */
     @GetMapping("/editTools/{objid}")
     public String editTools(@PathVariable("objid") Long objid, ModelMap mmap)
@@ -208,7 +208,9 @@ public class ExperimentRequestController extends BaseController
         return prefix + "/editTools";
     }
 
-
+    /**
+     * 修改实验申请信息实验结果
+     */
     @GetMapping("/editResult/{objid}")
     public String editResult(@PathVariable("objid") Long objid, ModelMap mmap)
     {
diff --git a/haiwei-activiti/src/main/java/com/haiwei/activiti/service/impl/ExperimentRequestServiceImpl.java b/haiwei-activiti/src/main/java/com/haiwei/activiti/service/impl/ExperimentRequestServiceImpl.java
index e592d74..d6d770b 100644
--- a/haiwei-activiti/src/main/java/com/haiwei/activiti/service/impl/ExperimentRequestServiceImpl.java
+++ b/haiwei-activiti/src/main/java/com/haiwei/activiti/service/impl/ExperimentRequestServiceImpl.java
@@ -56,18 +56,13 @@ public class ExperimentRequestServiceImpl implements IExperimentRequestService
         return experimentRequestMapper.selectExperimentRequestList(experimentRequest);
     }
 
-    /**
-     * 新增实验申请信息
-     *
-     * @param experimentRequest 实验申请信息
-     * @return 结果
-     */
+
     /**
      * 插入实验请求的方法
      * @param experimentRequest 实验请求对象
      * @return 插入操作的结果，返回影响的行数
      */
-    @Transactional
+    @Transactional( rollbackFor = Exception.class )
     @Override
     public int insertExperimentRequest(ExperimentRequest experimentRequest) {
         // 设置实验请求的状态为1
@@ -82,8 +77,7 @@ public class ExperimentRequestServiceImpl implements IExperimentRequestService
         int i = experimentRequestMapper.insertExperimentRequest(experimentRequest);
         // 获取第一个实验请求的主键objId
         Long obj = experimentRequest.getObjid();
-
-
+        
         // 创建实验请求关系对象
         ExperimentRequestRelation experimentRequestRelation = new ExperimentRequestRelation();
         // 设置项目ID为查询到的对象ID
@@ -102,9 +96,6 @@ public class ExperimentRequestServiceImpl implements IExperimentRequestService
 
 
 
-
-
-
     /**
      * 修改实验申请信息
      *
@@ -121,24 +112,23 @@ public class ExperimentRequestServiceImpl implements IExperimentRequestService
     public int updateExperimentRequest(ExperimentRequest experimentRequest) {
         // 获取当前用户的主体信息
         Subject subject = ShiroUtils.getSubject();
+        //获取当前时间
+        Date nowDate = DateUtils.getNowDate();
 
         // 创建一个新的实验请求关系对象
         ExperimentRequestRelation experimentRequestRelation = new ExperimentRequestRelation();
-
         // 设置项目ID为实验请求对象的ID
         experimentRequestRelation.setPojectId(experimentRequest.getObjid());
-
         // 设置状态为实验请求对象的状态
         experimentRequestRelation.setStatus(experimentRequest.getStatus());
 
         // 根据实验请求关系对象查询相关记录列表
         List<ExperimentRequestRelation> timeList = experimentRequestRelationMapper
                 .selectExperimentRequestRelationList(experimentRequestRelation);
-
-        Date nowDate = DateUtils.getNowDate();
+        
         // 如果查询结果不为空，则进行更新操作
         if (!timeList.isEmpty()) {
-            // 设置更新时间为当前时间
+            // 设置更新时间为当前时间，数据库只有更新时间这一个，没有创建时间
             experimentRequestRelation.setUpdateTime(nowDate);
 
             // 设置对象ID为查询到的第一条记录的对象ID
@@ -148,7 +138,7 @@ public class ExperimentRequestServiceImpl implements IExperimentRequestService
             experimentRequestRelationMapper.updateExperimentRequestRelation(experimentRequestRelation);
         } else {
             // 如果查询结果为空，则进行插入操作
-            // 设置更新时间为当前时间
+            // 设置更新时间为当前时间，数据库只有更新时间这一个，没有创建时间
             experimentRequestRelation.setUpdateTime(nowDate);
 
             // 插入新的实验请求关系记录
@@ -157,7 +147,6 @@ public class ExperimentRequestServiceImpl implements IExperimentRequestService
 
         // 设置实验请求对象的更新时间为当前时间
         experimentRequest.setUpdateTime(nowDate);
-
         // 更新实验请求记录并返回受影响的行数
         return experimentRequestMapper.updateExperimentRequest(experimentRequest);
     }
diff --git a/haiwei-activiti/src/main/resources/mapper/activiti/ExperimentRequestMapper.xml b/haiwei-activiti/src/main/resources/mapper/activiti/ExperimentRequestMapper.xml
index 5337938..8fc0baf 100644
--- a/haiwei-activiti/src/main/resources/mapper/activiti/ExperimentRequestMapper.xml
+++ b/haiwei-activiti/src/main/resources/mapper/activiti/ExperimentRequestMapper.xml
@@ -50,6 +50,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         where objid = #{objid}
     </select>
 
+
+<!--         <insert id="insertExperimentRequest" parameterType="ExperimentRequest" useGeneratedKeys="true" keyProperty="objid">
+    useGeneratedKeys="true"：表示启用主键回填。
+    keyProperty="objid"：指定将生成的主键值回填到 ExperimentRequest 对象的 objid 属性。-->
     <insert id="insertExperimentRequest" parameterType="ExperimentRequest" useGeneratedKeys="true" keyProperty="objid">
         insert into experiment_request
         <trim prefix="(" suffix=")" suffixOverrides=",">