diff --git a/src/main/java/com/peteralbus/controller/AdminController.java b/src/main/java/com/peteralbus/controller/AdminController.java
index a40a2c5..df4ec23 100644
--- a/src/main/java/com/peteralbus/controller/AdminController.java
+++ b/src/main/java/com/peteralbus/controller/AdminController.java
@@ -1,9 +1,16 @@
 package com.peteralbus.controller;
 
+import com.peteralbus.entity.Activity;
+import com.peteralbus.service.ActivityService;
+import com.peteralbus.util.PrincipalUtil;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.servlet.ModelAndView;
 
+import java.util.List;
+
 /**
  * The type Admin controller.
  *
@@ -13,15 +20,25 @@ import org.springframework.web.servlet.ModelAndView;
 @RequestMapping("/admin")
 public class AdminController
 {
-    /**
-     * Admin home page model and view.
-     *
-     * @return the model and view
-     */
-    @RequestMapping("/index")
-    public ModelAndView adminHomePage()
+    @Autowired
+    ActivityService activityService;
+    @RequestMapping("/activities")
+    public ModelAndView activities()
     {
-        return new ModelAndView("/jsp/admin/home.jsp");
+        ModelAndView modelAndView=PrincipalUtil.getBasicModelAndView();
+        List<Activity> activityList=activityService.adminActivityList();
+        modelAndView.addObject("activityList",activityList);
+        modelAndView.setViewName("/jsp/admin/activities.jsp");
+        return modelAndView;
+    }
+    @ResponseBody
+    @RequestMapping("/restoreActivity")
+    public String restoreActivity(Long activityId)
+    {
+        if(activityService.restore(activityId)>0)
+        {
+            return "success";
+        }
+        return "error";
     }
-
 }
diff --git a/src/main/java/com/peteralbus/dao/ActivityDao.java b/src/main/java/com/peteralbus/dao/ActivityDao.java
index c5ac9b9..67b3f1a 100644
--- a/src/main/java/com/peteralbus/dao/ActivityDao.java
+++ b/src/main/java/com/peteralbus/dao/ActivityDao.java
@@ -39,6 +39,21 @@ public interface ActivityDao extends BaseMapper<Activity>
      */
     List<User> getTeacherList(Long activityId);
 
+    /**
+     * Admin activity list list.
+     *
+     * @return the list
+     */
+    List<Activity> adminActivityList();
+
+    /**
+     * Restore int.
+     *
+     * @param activityId the activity id
+     * @return the int
+     */
+    int restore(Long activityId);
+
     /**
      * Gets count.
      *
diff --git a/src/main/java/com/peteralbus/dao/GroupDao.java b/src/main/java/com/peteralbus/dao/GroupDao.java
index 4e74be4..eb549c9 100644
--- a/src/main/java/com/peteralbus/dao/GroupDao.java
+++ b/src/main/java/com/peteralbus/dao/GroupDao.java
@@ -6,9 +6,17 @@ import org.apache.ibatis.annotations.Mapper;
 
 /**
  * The interface Group dao.
+ *
  * @author PeterAlbus
  */
 @Mapper
 public interface GroupDao extends BaseMapper<Group>
 {
+    /**
+     * Restore int.
+     *
+     * @param activityId the activity id
+     * @return the int
+     */
+    int restore(Long activityId);
 }
diff --git a/src/main/java/com/peteralbus/dao/ManageDao.java b/src/main/java/com/peteralbus/dao/ManageDao.java
index 1d41443..e732b5f 100644
--- a/src/main/java/com/peteralbus/dao/ManageDao.java
+++ b/src/main/java/com/peteralbus/dao/ManageDao.java
@@ -11,4 +11,11 @@ import org.apache.ibatis.annotations.Mapper;
 @Mapper
 public interface ManageDao extends BaseMapper<Manage>
 {
+    /**
+     * Restore int.
+     *
+     * @param activityId the activity id
+     * @return the int
+     */
+    int restore(Long activityId);
 }
diff --git a/src/main/java/com/peteralbus/dao/ParticipateDao.java b/src/main/java/com/peteralbus/dao/ParticipateDao.java
index 347229b..6886d2a 100644
--- a/src/main/java/com/peteralbus/dao/ParticipateDao.java
+++ b/src/main/java/com/peteralbus/dao/ParticipateDao.java
@@ -11,4 +11,11 @@ import org.apache.ibatis.annotations.Mapper;
 @Mapper
 public interface ParticipateDao extends BaseMapper<Participate>
 {
+    /**
+     * Restore int.
+     *
+     * @param activityId the activity id
+     * @return the int
+     */
+    int restore(Long activityId);
 }
diff --git a/src/main/java/com/peteralbus/dao/RecordDao.java b/src/main/java/com/peteralbus/dao/RecordDao.java
index fa57bd8..41bf65e 100644
--- a/src/main/java/com/peteralbus/dao/RecordDao.java
+++ b/src/main/java/com/peteralbus/dao/RecordDao.java
@@ -11,4 +11,11 @@ import org.apache.ibatis.annotations.Mapper;
 @Mapper
 public interface RecordDao extends BaseMapper<Record>
 {
+    /**
+     * Restore int.
+     *
+     * @param participationId the participation id
+     * @return the int
+     */
+    int restore(Long participationId);
 }
diff --git a/src/main/java/com/peteralbus/service/ActivityService.java b/src/main/java/com/peteralbus/service/ActivityService.java
index ad43ba8..6889446 100644
--- a/src/main/java/com/peteralbus/service/ActivityService.java
+++ b/src/main/java/com/peteralbus/service/ActivityService.java
@@ -57,7 +57,13 @@ public class ActivityService
      */
     public int updateActivity(Activity activity)
     {
-        return activityDao.updateById(activity);
+        Activity old=activityDao.selectById(activity.getActivityId());
+        old.setActivityName(activity.getActivityName());
+        old.setActivityType(activity.getActivityType());
+        old.setActivityIntroduction(activity.getActivityIntroduction());
+        old.setMaxPeople(activity.getMaxPeople());
+        old.setMinPeople(activity.getMinPeople());
+        return activityDao.updateById(old);
     }
 
     /**
@@ -186,4 +192,26 @@ public class ActivityService
         result=activityDao.deleteById(activityId);
         return result;
     }
+
+    public List<Activity> adminActivityList()
+    {
+        return activityDao.adminActivityList();
+    }
+
+    public int restore(Long activityId)
+    {
+        int result=0;
+        result=activityDao.restore(activityId);
+        manageDao.restore(activityId);
+        groupDao.restore(activityId);
+        participateDao.restore(activityId);
+        QueryWrapper<Participate> participateQueryWrapper=new QueryWrapper<>();
+        participateQueryWrapper.eq("activity_id",activityId);
+        List<Participate> participateList=participateDao.selectList(participateQueryWrapper);
+        for(Participate participate:participateList)
+        {
+            recordDao.restore(participate.getParticipationId());
+        }
+        return result;
+    }
 }
diff --git a/src/main/resources/mapper/ActivityDao.xml b/src/main/resources/mapper/ActivityDao.xml
index 27889b3..5c3d85f 100644
--- a/src/main/resources/mapper/ActivityDao.xml
+++ b/src/main/resources/mapper/ActivityDao.xml
@@ -17,6 +17,12 @@
         select user.user_id,username,real_name,user_phone,avatar_src from activity,user,manage
         where activity.activity_id=#{activityId} and manage.activity_id=activity.activity_id and manage.user_id=user.user_id and manage.is_delete=0 and user.is_delete=0
     </select>
+    <select id="adminActivityList" resultType="activity">
+        select * from activity
+    </select>
+    <update id="restore" parameterType="long">
+        update activity set is_delete=0 where activity_id=#{activityId}
+    </update>
     <select id="getCount" resultType="int">
         select count(*) from social_practice_sys.activity
     </select>
diff --git a/src/main/resources/mapper/GroupDao.xml b/src/main/resources/mapper/GroupDao.xml
new file mode 100644
index 0000000..a7f7c05
--- /dev/null
+++ b/src/main/resources/mapper/GroupDao.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.peteralbus.dao.GroupDao">
+    <update id="restore" parameterType="long">
+        update `group` set is_delete=0 where activity_id=#{activityId}
+    </update>
+</mapper>
\ No newline at end of file
diff --git a/src/main/resources/mapper/ManageDao.xml b/src/main/resources/mapper/ManageDao.xml
new file mode 100644
index 0000000..6832309
--- /dev/null
+++ b/src/main/resources/mapper/ManageDao.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.peteralbus.dao.ManageDao">
+    <update id="restore" parameterType="long">
+        update manage set is_delete=0 where activity_id=#{activityId}
+    </update>
+</mapper>
\ No newline at end of file
diff --git a/src/main/resources/mapper/ParticipateDao.xml b/src/main/resources/mapper/ParticipateDao.xml
new file mode 100644
index 0000000..a73cf70
--- /dev/null
+++ b/src/main/resources/mapper/ParticipateDao.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.peteralbus.dao.ParticipateDao">
+    <update id="restore" parameterType="long">
+        update participate set is_delete=0 where activity_id=#{activityId}
+    </update>
+</mapper>
\ No newline at end of file
diff --git a/src/main/resources/mapper/RecordDao.xml b/src/main/resources/mapper/RecordDao.xml
new file mode 100644
index 0000000..26ce412
--- /dev/null
+++ b/src/main/resources/mapper/RecordDao.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.peteralbus.dao.RecordDao">
+    <update id="restore" parameterType="long">
+        update record set is_delete=0 where participation_id=#{participationId}
+    </update>
+</mapper>
\ No newline at end of file
diff --git a/src/main/webapp/css/main.css b/src/main/webapp/css/main.css
index f30b7f2..87baacb 100644
--- a/src/main/webapp/css/main.css
+++ b/src/main/webapp/css/main.css
@@ -31,3 +31,7 @@ body{
     align-items: center;
     justify-content:center;
 }
+
+.el-table .warning-row {
+    --el-table-tr-bg-color: var(--el-color-warning-lighter);
+}
diff --git a/src/main/webapp/jsp/admin/activities.jsp b/src/main/webapp/jsp/admin/activities.jsp
new file mode 100644
index 0000000..0ca213b
--- /dev/null
+++ b/src/main/webapp/jsp/admin/activities.jsp
@@ -0,0 +1,222 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: peteralbus
+  Date: 2021/12/21
+  Time: 18:13
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
+<%@ taglib prefix="shiro" uri="http://shiro.apache.org/tags" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<!DOCTYPE html>
+<html>
+<head>
+    <title>主页</title>
+    <!-- 导入 Vue 3 -->
+    <script src="${pageContext.request.contextPath}/vue/vue@next/vue.global.js"></script>
+    <!-- 导入组件库 -->
+    <script src="${pageContext.request.contextPath}/vue/element/index.full.js"></script>
+    <script src="${pageContext.request.contextPath}/vue/axios/axios.js"></script>
+    <script src="${pageContext.request.contextPath}/vue/qs.min.js"></script>
+    <!-- 引入样式 -->
+    <link rel="stylesheet" href="${pageContext.request.contextPath}/vue/font-awesome/css/font-awesome.css">
+    <link rel="stylesheet" href="${pageContext.request.contextPath}/css/main.css">
+    <link rel="stylesheet" href="//unpkg.com/element-plus@1.1.0-beta.9/dist/index.css" />
+</head>
+<body>
+<div id="app">
+    <header>
+        <%@ include file="/jsp/header.html" %>
+    </header>
+    <div class="main">
+        <div class="container">
+            <el-container>
+                <el-aside width="80px">
+                    <%@ include file="/jsp/aside.html" %>
+                </el-aside>
+                <el-main>
+                    <el-page-header icon="el-icon-arrow-left" :content="title" @back="goBack"></el-page-header>
+                    <br/>
+                    <div style="text-align: center">
+                        <el-pagination
+                                background
+                                layout="total, sizes ,prev, pager, next, jumper"
+                                :total="activityListResult.length"
+                                :page-sizes="[5, 10, 20, 40]"
+                                v-model:page-size="pageSize"
+                                v-model:current-page="currentPage">
+                        </el-pagination>
+                    </div>
+                    <div>
+                        <el-table
+                                :data="currentPageActivities"
+                                style="width: 100%"
+                        >
+                            <el-table-column label="活动ID" fixed width="250">
+                                <template #default="scope">
+                                    {{scope.row.activityId}}
+                                    <el-tag v-if="scope.row.isDelete=='1'" type="danger" size="mini">已删除</el-tag>
+                                </template>
+                            </el-table-column>
+                            <el-table-column prop="activityName" label="活动名" width="250"></el-table-column>
+                            <el-table-column prop="activityType" label="活动类型"></el-table-column>
+                            <el-table-column label="活动介绍">
+                                <template #default="scope">
+                                    <el-popover effect="light" trigger="hover" placement="top">
+                                        <template #default>
+                                            <p>{{ scope.row.activityIntroduction }}</p>
+                                        </template>
+                                        <template #reference>
+                                            <el-tag size="medium">悬浮查看</el-tag>
+                                        </template>
+                                    </el-popover>
+                                </template>
+                            </el-table-column>
+                            <el-table-column prop="minPeople" label="最小人数"></el-table-column>
+                            <el-table-column prop="maxPeople" label="最大人数"></el-table-column>
+                            <el-table-column prop="version" label="版本"></el-table-column>
+                            <el-table-column prop="gmtCreate" label="创建时间" width="250"></el-table-column>
+                            <el-table-column prop="gmtModified" label="上次更改" width="250"></el-table-column>
+                            <el-table-column prop="isDelete" label="是否删除"></el-table-column>
+                            <el-table-column align="right" fixed="right" width="100">
+                                <template #header>
+                                    <el-input v-model="keyWord" size="mini" placeholder="搜索活动名"></el-input>
+                                </template>
+                                <template #default="scope">
+                                    <el-button size="mini" @click="restore(scope.row.activityId)" v-if="scope.row.isDelete=='1'" type="success">恢复</el-button>
+                                    <el-button size="mini" @click="deleteAct(scope.row.activityId)" v-if="scope.row.isDelete!='1'" type="danger">删除</el-button>
+                                </template>
+                            </el-table-column>
+                        </el-table>
+                    </div>
+                </el-main>
+            </el-container>
+        </div>
+    </div>
+    <footer>
+        <%@ include file="/jsp/foot.html" %>
+    </footer>
+</div>
+<script>
+    const App = {
+        data() {
+            return{
+                title:'社会实践活动管理',
+                user:{
+                    username:'',
+                    realName:'',
+                    avatarSrc: ''
+                },
+                keyWord:'',
+                currentPage:1,
+                pageSize:10,
+                activityList:[
+                    <c:forEach items="${activityList}" var="activity">
+                    {
+                        activityId: '${activity.getActivityId()}',
+                        activityName: '${activity.getActivityName()}',
+                        activityType:'${activity.getActivityType()}',
+                        activityIntroduction:'${activity.getActivityIntroduction()}',
+                        minPeople:'${activity.getMinPeople()}',
+                        maxPeople:'${activity.getMaxPeople()}',
+                        version:'${activity.getVersion()}',
+                        gmtCreate:'${activity.getFormattedCreateDate()}',
+                        gmtModified:'${activity.getGmtModified()}',
+                        isDelete:'${activity.getIsDelete()}'
+                    },
+                    </c:forEach>
+                ],
+                activeIndex:'4'
+            }
+        },
+        mounted(){
+            this.user.realName='${realName}'
+            this.user.username='${username}'
+            this.user.avatarSrc='${avatarSrc}'
+        },
+        methods: {
+            goBack(){
+                window.history.go(-1);
+            },
+            restore(id){
+                this.$messageBox.confirm(
+                    '确认要恢复这个被删除的社会实践活动吗？',
+                    '警告',
+                    {
+                        confirmButtonText: '确认',
+                        cancelButtonText: '取消',
+                        type: 'warning',
+                    }
+                )
+                    .then(() => {
+                        axios({
+                            method: "get",
+                            url: "/admin/restoreActivity?activityId="+id,
+                        }).then(res=>{
+                            if(res.data==="error")
+                            {
+                                this.$message.error('恢复失败!')
+                            }
+                            else
+                            {
+                                location.reload()
+                            }
+                        })
+                    })
+            },
+            deleteAct(id){
+                this.$messageBox.confirm(
+                    '确认要删除社会实践活动吗,请与老师联系确认！',
+                    '警告',
+                    {
+                        confirmButtonText: '确认',
+                        cancelButtonText: '取消',
+                        type: 'warning',
+                    }
+                )
+                    .then(() => {
+                        axios({
+                            method: "get",
+                            url: "/teacher/deleteActivity?activityId="+id,
+                        }).then(res=>{
+                            if(res.data==="error")
+                            {
+                                this.$message.error('删除失败!')
+                            }
+                            else
+                            {
+                                location.reload()
+                            }
+                        })
+                    })
+            }
+        },
+        computed:{
+            activityListResult:function (){
+                let result=[];
+                if(this.keyWord==='')
+                {
+                    return this.activityList;
+                }
+                for(let i=0;i<this.activityList.length;i++)
+                {
+                    let str=this.activityList[i].activityName;
+                    let str_leader=this.activityList[i].activityIntroduction;
+                    if(str.search(this.keyWord)!==-1||str_leader.search(this.keyWord)!==-1)
+                    {
+                        result.push(this.activityList[i]);
+                    }
+                }
+                return result;
+            },
+            currentPageActivities:function (){
+                return this.activityListResult.slice((this.currentPage-1)*this.pageSize,this.currentPage*this.pageSize)
+            }
+        }
+    };
+    const app = Vue.createApp(App);
+    app.use(ElementPlus);
+    app.mount("#app");
+</script>
+</body>
+</html>
diff --git a/src/main/webapp/jsp/aside.html b/src/main/webapp/jsp/aside.html
index 29bfd28..9927911 100644
--- a/src/main/webapp/jsp/aside.html
+++ b/src/main/webapp/jsp/aside.html
@@ -21,6 +21,12 @@
             <template #title>活动列表</template>
         </el-menu-item>
     </shiro:hasRole>
+    <shiro:hasRole name="admin">
+        <el-menu-item index="4" onclick="location.href='/admin/activities'">
+            <i class="el-icon-s-data"></i>
+            <template #title>活动列表</template>
+        </el-menu-item>
+    </shiro:hasRole>
     <el-menu-item index="9">
         <i class="el-icon-document"></i>
         <template #title>Navigator Three</template>
diff --git a/src/main/webapp/jsp/student/applyActivity.jsp b/src/main/webapp/jsp/student/applyActivity.jsp
index cc660e0..8d88075 100644
--- a/src/main/webapp/jsp/student/applyActivity.jsp
+++ b/src/main/webapp/jsp/student/applyActivity.jsp
@@ -202,7 +202,7 @@
             },
             newGroup(){
                 this.$messageBox.confirm(
-                    '参与社会实践活动后不可更改小组，不可退出，确认申请？',
+                    '担任组长意味着责任，若还有组员，不可退出活动，确认申请？',
                     '警告',
                     {
                         confirmButtonText: '确认',
@@ -236,7 +236,7 @@
             },
             joinGroup(id){
                 this.$messageBox.confirm(
-                    '参与社会实践活动后不可更改小组，不可退出，确认申请？',
+                    '确认申请该小组参与社会实践活动？',
                     '警告',
                     {
                         confirmButtonText: '确认',
diff --git a/src/main/webapp/jsp/teacher/manageGroup.jsp b/src/main/webapp/jsp/teacher/manageGroup.jsp
index 7fe04d8..d049935 100644
--- a/src/main/webapp/jsp/teacher/manageGroup.jsp
+++ b/src/main/webapp/jsp/teacher/manageGroup.jsp
@@ -58,9 +58,9 @@
                       border
               >
                 <template #extra>
-                  <el-button type="success" size="mini" @click="dialogVisible=true" v-if="!isScored">评分</el-button>
+                  <el-button type="success" size="mini" @click="dialogVisible=true" v-if="!isScored&&(activity.minPeople<=group.memberCount)">评分</el-button>&emsp;
                   <el-tag type="success" v-if="isFinished">该小组已完成社会实践</el-tag>
-                  <el-tag type="danger" v-if="activity.minPeople>group.memberCount">该小组人数尚未达标</el-tag>
+                  <el-tag type="danger" v-if="activity.minPeople>group.memberCount" size="small">该小组人数尚未达标</el-tag>
                   <el-link href="#record" type="primary">日志管理<i class="el-icon-arrow-down"></i></el-link>&emsp;
                   <el-link href="#groupMember" type="primary">小组成员<i class="el-icon-arrow-down"></i></el-link>
                 </template>