diff --git a/study-project-backend/src/main/java/com/example/controller/UserController.java b/study-project-backend/src/main/java/com/example/controller/UserController.java
index cdb710e..568537b 100644
--- a/study-project-backend/src/main/java/com/example/controller/UserController.java
+++ b/study-project-backend/src/main/java/com/example/controller/UserController.java
@@ -5,6 +5,7 @@ import com.example.entity.user.AccountInfo;
 import com.example.entity.user.AccountUser;
 import com.example.service.UserService;
 import jakarta.annotation.Resource;
+import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 @RestController
@@ -20,13 +21,19 @@ public class UserController {
     }
 
     @PostMapping("/save-info")
-    public RestBean<String> saveInfo(@RequestBody AccountInfo info,
-                                   @SessionAttribute("account") AccountUser user){
+    public RestBean<String> saveInfo(@RequestBody @Validated AccountInfo info,
+                                     @SessionAttribute("account") AccountUser user){
         info.setUid(user.getId());
         if(service.saveUserInfo(info)) {
+            user.setUsername(info.getUsername());
             return RestBean.success();
         } else {
             return RestBean.failure(400, "用户名称已被其他用户使用，无法修改");
         }
     }
+
+    @GetMapping("/info")
+    public RestBean<AccountInfo> info(@SessionAttribute("account") AccountUser user){
+        return RestBean.success(service.userInfo(user.getId()));
+    }
 }
diff --git a/study-project-backend/src/main/java/com/example/entity/user/AccountInfo.java b/study-project-backend/src/main/java/com/example/entity/user/AccountInfo.java
index 7668726..f78d6c7 100644
--- a/study-project-backend/src/main/java/com/example/entity/user/AccountInfo.java
+++ b/study-project-backend/src/main/java/com/example/entity/user/AccountInfo.java
@@ -1,15 +1,22 @@
 package com.example.entity.user;
 
 import lombok.Data;
+import org.hibernate.validator.constraints.Length;
 
 @Data
 public class AccountInfo {
     int uid;
+    @Length(min = 2, max = 8)
     String username;
     String sex;
+    @Length(max = 11)
     String phone;
+    @Length(max = 11)
     String qq;
+    @Length(max = 30)
     String wx;
+    @Length(max = 50)
     String blog;
+    @Length(max = 500)
     String desc;
 }
diff --git a/study-project-backend/src/main/java/com/example/interceptor/AuthorizeInterceptor.java b/study-project-backend/src/main/java/com/example/interceptor/AuthorizeInterceptor.java
index 6dc2dc8..4aec7e7 100644
--- a/study-project-backend/src/main/java/com/example/interceptor/AuthorizeInterceptor.java
+++ b/study-project-backend/src/main/java/com/example/interceptor/AuthorizeInterceptor.java
@@ -19,12 +19,14 @@ public class AuthorizeInterceptor implements HandlerInterceptor {
 
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
-        SecurityContext context = SecurityContextHolder.getContext();
-        Authentication authentication = context.getAuthentication();
-        User user = (User)authentication.getPrincipal();
-        String username = user.getUsername();
-        AccountUser account = mapper.findAccountUserByNameOrEmail(username);
-        request.getSession().setAttribute("account", account);
+        if(request.getSession().getAttribute("account") == null){
+            SecurityContext context = SecurityContextHolder.getContext();
+            Authentication authentication = context.getAuthentication();
+            User user = (User)authentication.getPrincipal();
+            String username = user.getUsername();
+            AccountUser account = mapper.findAccountUserByNameOrEmail(username);
+            request.getSession().setAttribute("account", account);
+        }
         return true;
     }
 }
diff --git a/study-project-backend/src/main/java/com/example/mapper/UserMapper.java b/study-project-backend/src/main/java/com/example/mapper/UserMapper.java
index 9f27b79..955c6f0 100644
--- a/study-project-backend/src/main/java/com/example/mapper/UserMapper.java
+++ b/study-project-backend/src/main/java/com/example/mapper/UserMapper.java
@@ -32,4 +32,7 @@ public interface UserMapper {
 
     @Update("update db_account set username=#{name} where id=#{uid}")
     void updateUsername(String name, int uid);
+
+    @Select("select * from db_account_info left join db_account on id = uid where id = #{uid}")
+    AccountInfo findInfoById(int uid);
 }
diff --git a/study-project-backend/src/main/java/com/example/service/UserService.java b/study-project-backend/src/main/java/com/example/service/UserService.java
index 86e241e..d25e379 100644
--- a/study-project-backend/src/main/java/com/example/service/UserService.java
+++ b/study-project-backend/src/main/java/com/example/service/UserService.java
@@ -4,4 +4,5 @@ import com.example.entity.user.AccountInfo;
 
 public interface UserService {
     boolean saveUserInfo(AccountInfo info);
+    AccountInfo userInfo(int uid);
 }
diff --git a/study-project-backend/src/main/java/com/example/service/impl/UserServiceImpl.java b/study-project-backend/src/main/java/com/example/service/impl/UserServiceImpl.java
index f89ee13..6b31912 100644
--- a/study-project-backend/src/main/java/com/example/service/impl/UserServiceImpl.java
+++ b/study-project-backend/src/main/java/com/example/service/impl/UserServiceImpl.java
@@ -23,4 +23,9 @@ public class UserServiceImpl implements UserService {
         mapper.saveInfo(info);
         return true;
     }
+
+    @Override
+    public AccountInfo userInfo(int uid) {
+        return mapper.findInfoById(uid);
+    }
 }
diff --git a/study-project-frontend/src/components/settings/InfoSettings.vue b/study-project-frontend/src/components/settings/InfoSettings.vue
index 816437e..6df0ff9 100644
--- a/study-project-frontend/src/components/settings/InfoSettings.vue
+++ b/study-project-frontend/src/components/settings/InfoSettings.vue
@@ -1,7 +1,7 @@
 <script setup>
-import {reactive, ref} from "vue";
+import {onMounted, reactive, ref} from "vue";
 import {Select} from "@element-plus/icons-vue";
-import {post} from "@/net";
+import {get, post} from "@/net";
 import {ElMessage} from "element-plus";
 
 const form = ref()
@@ -57,13 +57,13 @@ const rules = {
 }
 
 const infoForm = reactive({
-  username: '',
+  username: null,
   desc: '',
   phone: '',
   qq: '',
   wx: '',
   blog: '',
-  sex: 'male'
+  sex: ''
 })
 
 const save = () => {
@@ -77,6 +77,20 @@ const save = () => {
     }
   })
 }
+
+onMounted(() => {
+  if(infoForm.username == null) {
+    get('/api/user/info', (message) => {
+      infoForm.username = message.username
+      infoForm.desc = message.desc
+      infoForm.phone = message.phone
+      infoForm.qq = message.qq
+      infoForm.wx = message.wx
+      infoForm.blog = message.blog
+      infoForm.sex = message.sex ? message.sex : 'male'
+    })
+  }
+})
 </script>
 
 <template>