diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/UserController.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/UserController.class
index b35f481..5a98f97 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/UserController.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/UserController.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
index 7fd90cb..3a1ace2 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
@@ -44,17 +44,11 @@
                             <li><a class="dropdown-item" href="/student/queryinfo">学生信息查询</a></li>
                             <li><a class="dropdown-item" href="/student/modstep1">学生信息修改(旧)</a></li>
                             <li><a class="dropdown-item" href="/student/infomodv2">学生信息修改</a></li>
-                            <li><a class="dropdown-item disabled"><del>自己输入sql语句查</del>(划掉,没做)</a></li>
                             <li>
                                 <hr class="dropdown-divider" />
                             </li>
                             <li><a class="dropdown-item" href="/score/all">成绩查看</a></li>
                             <li><a class="dropdown-item" href="/score/infomodv2">成绩管理</a></li>
-                            <li><a class="dropdown-item" href="#">学生成绩管理</a></li>
-                            <li>
-                                <hr class="dropdown-divider" />
-                            </li>
-                            <li><a class="dropdown-item" href="#">学生选课管理</a></li>
                         </ul>
                     </li>
                     <li class="nav-item dropdown">
diff --git a/project2/src/main/java/cyou/chenx221/controller/UserController.java b/project2/src/main/java/cyou/chenx221/controller/UserController.java
index e7c68a2..4d4696a 100644
--- a/project2/src/main/java/cyou/chenx221/controller/UserController.java
+++ b/project2/src/main/java/cyou/chenx221/controller/UserController.java
@@ -78,13 +78,17 @@ public class UserController {
     }
 
     @RequestMapping(path = "/user/usermanage", method = {RequestMethod.GET})
-    public String userManage(Model model) {
+    public String userManage(@RequestParam(value = "successMessage", required = false, defaultValue = "null") String successMessage,
+                             @RequestParam(value = "errorMessage", required = false, defaultValue = "null") String errorMessage,
+                             Model model) {
         String username = new UsernameHelper().getCurrentUsername();
         if (username != null) {
             model.addAttribute("username", username);
         }
         List<User> userList = userMapper.getAllUsers();
         model.addAttribute("userList", userList);
+        model.addAttribute("successMessage", successMessage);
+        model.addAttribute("errorMessage", errorMessage);
         return "usermanage";
     }