diff --git a/src/main/java/com/backend/webbackend/Controller/CourseController.java b/src/main/java/com/backend/webbackend/Controller/CourseController.java
index 5ddd0a6..3f15f64 100644
--- a/src/main/java/com/backend/webbackend/Controller/CourseController.java
+++ b/src/main/java/com/backend/webbackend/Controller/CourseController.java
@@ -24,4 +24,8 @@ public class CourseController {
     public ResultVo getCourseResources() {
         return ResultVo.Success("", courseService.getCourseResources());
     }
+
+    //用户上传课程资源
+
+
 }
diff --git a/src/main/java/com/backend/webbackend/Controller/userController.java b/src/main/java/com/backend/webbackend/Controller/userController.java
index 2e3d5fe..e0a0e25 100644
--- a/src/main/java/com/backend/webbackend/Controller/userController.java
+++ b/src/main/java/com/backend/webbackend/Controller/userController.java
@@ -1,6 +1,7 @@
 package com.backend.webbackend.Controller;
 
 import com.backend.webbackend.Service.userService;
+import com.backend.webbackend.Tools.Tools;
 import com.backend.webbackend.Vo.ResultVo;
 import com.backend.webbackend.domain.User;
 import org.apache.ibatis.annotations.Param;
@@ -12,15 +13,16 @@ import org.springframework.web.bind.annotation.*;
 public class userController {
     @Autowired
     userService userService;
+    @Autowired
+    private Tools tools;
 
 
-    //返回所有部门信息
+    //返回所有部门信息:用于用户注册时选择部门
     @GetMapping("dept")
     public ResultVo getAllDept(){
         return ResultVo.Success("",userService.getAlldept());
     }
 
-
     //用户注册
     @PostMapping("register")
     public ResultVo register(@RequestBody User user){
@@ -32,6 +34,7 @@ public class userController {
         }
     }
 
+    //用户登录
     @PostMapping("login")
     public ResultVo login(@RequestBody User user) {
         if(!userService.login(user.getUsername(),user.getPassword())){
@@ -40,4 +43,19 @@ public class userController {
         return ResultVo.Success("","登陆成功");
     }
 
+    //用户信息修改
+    @PostMapping("update")
+    public ResultVo updateUserInfo(@RequestBody User user){
+        try
+        {
+            //密码加密
+            user.setPassword(tools.encryptPassword(user.getPassword()));
+            userService.updateUserInfo(user);
+            return ResultVo.Success("","用户信息修改成功");
+        }
+        catch (Exception e){
+           throw new RuntimeException("用户信息修改失败");
+        }
+
+    }
 }
diff --git a/src/main/java/com/backend/webbackend/Service/Impl/userServiceImpl.java b/src/main/java/com/backend/webbackend/Service/Impl/userServiceImpl.java
index 4522d47..085c97c 100644
--- a/src/main/java/com/backend/webbackend/Service/Impl/userServiceImpl.java
+++ b/src/main/java/com/backend/webbackend/Service/Impl/userServiceImpl.java
@@ -73,8 +73,14 @@ public class userServiceImpl implements userService {
         return userMapper.updateById(user)==1;
     }
 
+    //返回部门列表
     @Override
     public List<Dept> getAlldept() {
         return deptMapper.selectAllDept();
     }
+
+    @Override
+    public int updateUserInfo(User user){
+        return userMapper.updateByName(user);
+    }
 }
diff --git a/src/main/java/com/backend/webbackend/Service/userService.java b/src/main/java/com/backend/webbackend/Service/userService.java
index a9ac1d5..08d01b7 100644
--- a/src/main/java/com/backend/webbackend/Service/userService.java
+++ b/src/main/java/com/backend/webbackend/Service/userService.java
@@ -13,4 +13,5 @@ public interface userService {
     boolean register(User user);
     boolean login(String username, String password);
     List<Dept> getAlldept();
+    int updateUserInfo(User user);
 }
diff --git a/src/main/java/com/backend/webbackend/mapper/UserMapper.java b/src/main/java/com/backend/webbackend/mapper/UserMapper.java
index ead5017..8e31ac6 100644
--- a/src/main/java/com/backend/webbackend/mapper/UserMapper.java
+++ b/src/main/java/com/backend/webbackend/mapper/UserMapper.java
@@ -28,4 +28,6 @@ public interface UserMapper {
     int countByUsername(@Param("username") String username);
 
     int updateById(User user);
+
+    int updateByName(User user);
 }
diff --git a/src/main/resources/mapper/UserMapper.xml b/src/main/resources/mapper/UserMapper.xml
index 4aae411..b72fe48 100644
--- a/src/main/resources/mapper/UserMapper.xml
+++ b/src/main/resources/mapper/UserMapper.xml
@@ -125,4 +125,29 @@
             last_login_time =  #{lastLoginTime}
         where   id = #{id}
     </update>
+
+    <update id="updateByName">
+        update user
+       <set>
+            <if test="password != null">
+            password =  #{password},
+            </if>
+            <if test="realName != null">
+            real_name =  #{realName},
+            </if>
+            <if test="phone != null">
+            phone =  #{phone},
+            </if>
+            <if test="deptId != null">
+            dept_id =  #{deptId},
+            </if>
+            <if test="role != null">
+            role =  #{role},
+            </if>
+            <if test="status != null">
+            status =  #{status},
+            </if>
+         </set>
+        where   username = #{username}
+    </update>
 </mapper>