diff --git a/04.系统编码/Backend/src/main/java/com/userinformation/backend/service/UserService.java b/04.系统编码/Backend/src/main/java/com/userinformation/backend/service/UserService.java
index 35d1cc4..a2c29db 100644
--- a/04.系统编码/Backend/src/main/java/com/userinformation/backend/service/UserService.java
+++ b/04.系统编码/Backend/src/main/java/com/userinformation/backend/service/UserService.java
@@ -1,5 +1,6 @@
 package com.userinformation.backend.service;
 
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -7,6 +8,7 @@ import com.userinformation.backend.mapper.UserMapper;
 import com.userinformation.backend.model.dao.User;
 import org.springframework.stereotype.Service;
 
+import java.time.LocalDateTime;
 import java.util.List;
 
 @Service
@@ -24,10 +26,11 @@ public class UserService extends ServiceImpl<UserMapper, User> {
 
     public List<User> findAllUserPage(Integer current, Integer size){
         IPage<User> page = new Page<>(current, size);
-        return baseMapper.selectPage(page, null).getRecords();
+        return baseMapper.selectPage(page, new QueryWrapper<User>().orderByDesc("user_registration_date")).getRecords();
     }
 
     public int insertUser(User user){
+        user.setUserRegistrationDate(LocalDateTime.now());
         return baseMapper.insert(user);
     }
 
@@ -36,6 +39,7 @@ public class UserService extends ServiceImpl<UserMapper, User> {
     }
 
     public int updateUser(User user){
+        user.setUserRegistrationDate(LocalDateTime.now());
         return baseMapper.updateById(user);
     }
 }
diff --git a/04.系统编码/Frontend/.idea/workspace.xml b/04.系统编码/Frontend/.idea/workspace.xml
index 5b6c879..9d948b5 100644
--- a/04.系统编码/Frontend/.idea/workspace.xml
+++ b/04.系统编码/Frontend/.idea/workspace.xml
@@ -4,6 +4,7 @@
     <list default="true" id="4b7d7b72-f5b8-41e4-85d5-6267bdc12fc5" name="默认变更列表" comment="">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/components/Login.vue" beforeDir="false" afterPath="$PROJECT_DIR$/src/components/Login.vue" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/components/SystemManagement.vue" beforeDir="false" afterPath="$PROJECT_DIR$/src/components/SystemManagement.vue" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -75,6 +76,7 @@
       <workItem from="1638430901827" duration="2042000" />
       <workItem from="1638433091413" duration="7649000" />
       <workItem from="1638440893221" duration="943000" />
+      <workItem from="1638441956659" duration="5371000" />
     </task>
     <task id="LOCAL-00001" summary="2021 12 01">
       <created>1638357539757</created>
diff --git a/04.系统编码/Frontend/src/components/Login.vue b/04.系统编码/Frontend/src/components/Login.vue
index 4b61a7a..e26e227 100644
--- a/04.系统编码/Frontend/src/components/Login.vue
+++ b/04.系统编码/Frontend/src/components/Login.vue
@@ -40,10 +40,8 @@ export default {
       const errors = [];
       if (option.inputName == null || option.inputName.trim().length == 0)
         errors.push('登录名');
-
       if (option.inputPassword == null || option.inputPassword.trim().length == 0)
         errors.push('登录密码');
-
       return errors;
     }
 
@@ -70,8 +68,6 @@ export default {
           }
         })
       }
-
-
     }
 
     return {
@@ -109,8 +105,6 @@ export default {
       }
 
       .importInput {
-        //width: 6.51rem;
-        //height: 6.89rem;
         background: #FFFFFF;
         border: 1px solid #707070;
         opacity: 1;
@@ -153,6 +147,7 @@ export default {
             padding-left: 0.54rem;
           }
         }
+
           img {
             width: 0.18rem;
             height: 0.1792rem;
@@ -160,13 +155,15 @@ export default {
             top: -0.10rem;
             left: 0.18rem;
           }
+       }
       }
-      }
+
       img {
         width: 1.5733rem;
         height: 1.5715rem;
         margin-top: .35rem;
       }
+
     .btn{
         width: 4.96rem;
         height: 0.69rem;
@@ -177,4 +174,5 @@ export default {
         font-size: 0.22rem;
         margin-bottom: 1.27rem;
       }
+
   </style>
diff --git a/04.系统编码/Frontend/src/components/SystemManagement.vue b/04.系统编码/Frontend/src/components/SystemManagement.vue
index 4ea306d..c7bd11d 100644
--- a/04.系统编码/Frontend/src/components/SystemManagement.vue
+++ b/04.系统编码/Frontend/src/components/SystemManagement.vue
@@ -6,10 +6,8 @@
           <div class="box">
           <div class="left">
               <h1>用户姓名：</h1>
-
             <input type="text" v-model="state1" class="textInput"/>
-
-           <img src="/images/search.png" @click="onSearch">
+           <div><img src="/images/search.png" @click="onSearch"></div>
           </div>
           <div class="right">
             <span @click="onAddClick">添加新用户</span>
@@ -17,14 +15,13 @@
           </div>
 
           <div class="tableMessage">
-          <el-table :data="tableData" border  style="width: 100%;color: black;">
-
-            <el-table-column type="index" label="序号" width="176px" align="center"/>
-            <el-table-column prop="userName" label="用户姓名" width="201px" align="center"/>
-            <el-table-column prop="userAccountNumber" label="用户账号" width="280px" align="center"/>
-            <el-table-column prop="userPhone" label="电话" width="278px" align="center"/>
-            <el-table-column prop="userEmail" label="邮箱" width="250px" align="center"/>
-            <el-table-column prop="operation" label="操作" width="301px" align="center">
+          <el-table :data="tableData" border  style="color: black;">
+            <el-table-column type="index" label="序号"  align="center" width="100px"/>
+            <el-table-column prop="userName" label="用户姓名"  align="center"/>
+            <el-table-column prop="userAccountNumber" label="用户账号"  align="center"/>
+            <el-table-column prop="userPhone" label="电话"  align="center"/>
+            <el-table-column prop="userEmail" label="邮箱"  align="center"/>
+            <el-table-column prop="operation" label="操作"  align="center">
               <template #default="scope">
                 <div class="operation">
                   <span @click.prevent="onAmendClick(scope.$index, tableData)">修改信息</span>
@@ -50,7 +47,7 @@
                              page-size="2"
                              @prev-click="prev"
                              @next-click="next"
-                             @current-change="changenum">
+                             @current-change="changEnum">
               </el-pagination>
             </div>
           </div>
@@ -59,10 +56,10 @@
       <el-dialog v-model="dialogFormVisible" :title="title" show-close=false center=true width="961px" top="17%">
         <el-form :model="form">
           <el-form-item label="用户账号：" :label-width="formLabelWidth" >
-            <el-input v-model="form.userAccountNumber" autocomplete="off" style="width: 260px" :disabled="isdisabled"></el-input>
+            <el-input v-model="form.userAccountNumber" autocomplete="off" style="width: 260px" :disabled="isDisabled"></el-input>
           </el-form-item>
-          <el-form-item label="用户姓名：" :label-width="formLabelWidth">
-            <el-input v-model="form.userName" autocomplete="off" style="width: 260px"></el-input>
+          <el-form-item label="用户密码：" :label-width="formLabelWidth">
+            <el-input v-model="form.userPassword" autocomplete="off" style="width: 260px" type="password"></el-input>
           </el-form-item>
           <el-form-item label="电话：" :label-width="formLabelWidth">
             <el-input v-model="form.userPhone" autocomplete="off" style="width: 260px"></el-input>
@@ -70,6 +67,9 @@
           <el-form-item label="邮箱：" :label-width="formLabelWidth">
             <el-input v-model="form.userEmail" autocomplete="off" style="width: 260px"></el-input>
           </el-form-item>
+          <el-form-item label="用户姓名：" :label-width="formLabelWidth">
+            <el-input v-model="form.userName" autocomplete="off" style="width: 260px"></el-input>
+          </el-form-item>
         </el-form>
         <template #footer>
       <span class="dialog-footer">
@@ -88,13 +88,14 @@
 import {reactive, toRefs ,ref , onMounted} from 'vue';
 import { post } from "../uilts/axios";
 import { ElMessage } from 'element-plus'
+import { format } from '../hooks/String';
 export default {
         name: 'SystemManagement',
         setup() {
           let option = reactive({
             state1:'',
             dialogFormVisible:false,
-            isdisabled:false,
+            isDisabled:false,
             title:'',
             formLabelWidth:"100px",
             total:"",
@@ -104,10 +105,10 @@ export default {
               userName:'',
               userAccountNumber:'',
               userPhone:'',
-              userEmail:''
+              userEmail:'',
+              userPassword:''
             },
             tableData:[]
-
           })
           const findAllUser= ()=>{
             return post("user/findAllUser",{
@@ -124,23 +125,23 @@ export default {
             findAllUser()
           })
 
-
           //添加用户
           const onAddClick = ()=> {
-            option.isdisabled=false
+            option.isDisabled=false
             option.title = '添加用户'
             option.dialogFormVisible = true
             option.form = {
               userName:'',
               userAccountNumber:'',
               userPhone:'',
-              userEmail:''
+              userEmail:'',
+              userPassword:''
             }
           }
 
           //修改用户
           const onAmendClick = (index, rows)=>{
-            option.isdisabled = true
+            option.isDisabled = true
             option.title = '修改信息'
             option.dialogFormVisible = true
             option.form = JSON.parse(JSON.stringify(rows[index]))
@@ -189,14 +190,37 @@ export default {
             findAllUser()
           }
 
-          const changenum =(e)=>{
+          const changEnum =(e)=>{
             option.current= e
             findAllUser()
           }
 
+          const verify = () => {
+            let errors = [];
+            if (option.form.userAccountNumber == null || option.form.userAccountNumber.trim() == ""){
+              errors.push("用户账号");
+            }
+            if (option.form.userPassword == null || option.form.userPassword.trim() == ""){
+              errors.push("用户密码");
+            }
+            if (option.form.userName == null || option.form.userName.trim() == ""){
+              errors.push("用户姓名");
+            }
+            // if (option.form.userPhone == null || option.form.userPhone.trim() == ""){
+            //   errors.push("手机号码");
+            // }
+            if (errors.length > 0){
+              ElMessage.error({
+                message: format("{0}不能为空", errors.join(", ")),
+                type: 'error'
+              });
+            }
 
+            return errors.length > 0;
+          }
 
           const submit = ()=> {
+            if (verify()) return;
             if(option.title === '修改信息'){
               post("user/updateUser", option.form, "application/json").then((res: any) => {
                 option.dialogFormVisible=false
@@ -217,6 +241,7 @@ export default {
             }
 
             if(option.title === '添加用户'){
+              if (verify()) return;
               post("user/insertUser",option.form,"application/json").then((res:any)=>{
                 option.dialogFormVisible = false
                 if (res.error != 0){
@@ -246,8 +271,7 @@ export default {
               confirmEvent,
               prev,
               next,
-              changenum
-
+              changEnum
             }
         }
     }
@@ -273,23 +297,13 @@ export default {
         .left{
           display: flex;
           justify-content: space-between;
-          position: relative;
+          align-items: center;
 
           .textInput{
             width: 305px;
-          }
-          &::after {
-            content: '';
-            width: 0;
-            height: 0;
-            display: block;
-            position: absolute;
-            top: 50%;
-            right: 70px;
-            transform: translateY(-50%);
-            border-left: 0.08rem solid transparent;
-            border-right: 0.08rem solid transparent;
-            border-top: 0.08rem solid #222222;
+            height: 35px;
+            line-height: 35px;
+            font-size: 20px;
           }
 
           h1{
@@ -306,6 +320,7 @@ export default {
             width: 44px;
             height: 44px;
             margin-left: 10px;
+            padding-top: 4px;
             cursor: pointer;
           }
         }
@@ -342,7 +357,6 @@ export default {
           opacity: 1;
           cursor: pointer;
           font-weight: 400;
-
         }
 
       }
@@ -360,7 +374,10 @@ export default {
     :deep(.el-form){
       display: flex;
       flex-wrap: wrap;
-      justify-content: space-evenly;
+      justify-content: space-between;
+      margin: 0 auto;
+      width: 90%;
+      //align-content: flex-start;
     }
 
     :deep(.el-button){