diff --git a/src/main/java/com/peteralbus/controller/TeacherController.java b/src/main/java/com/peteralbus/controller/TeacherController.java
index 6ecdd03..7b346dd 100644
--- a/src/main/java/com/peteralbus/controller/TeacherController.java
+++ b/src/main/java/com/peteralbus/controller/TeacherController.java
@@ -1,8 +1,10 @@
 package com.peteralbus.controller;
 
 import com.peteralbus.entity.Activity;
+import com.peteralbus.entity.Group;
 import com.peteralbus.entity.User;
 import com.peteralbus.service.ActivityService;
+import com.peteralbus.service.GroupService;
 import com.peteralbus.service.UserService;
 import com.peteralbus.util.PrincipalUtil;
 import net.bytebuddy.implementation.bytecode.Throw;
@@ -31,6 +33,8 @@ public class TeacherController
     ActivityService activityService;
     @Autowired
     UserService userService;
+    @Autowired
+    GroupService groupService;
     @RequiresRoles(value={"teacher"}, logical= Logical.OR)
     @RequestMapping("/activities")
     public ModelAndView activities()
@@ -66,7 +70,11 @@ public class TeacherController
             throw new UnauthorizedException();
         }
         Activity activity=activityService.getActivityById(activityId);
+        List<Group> groupList=groupService.getGroupListByActivity(activityId);
+        List<User> teacherList=userService.getTeacherList();
+        modelAndView.addObject("groupList",groupList);
         modelAndView.addObject("activity",activity);
+        modelAndView.addObject("teacherList",teacherList);
         modelAndView.setViewName("/jsp/teacher/modifyActivity.jsp");
         return modelAndView;
     }
@@ -76,7 +84,28 @@ public class TeacherController
     {
         try
         {
-            int result=activityService.addActivity(activity);
+            int result=activityService.updateActivity(activity);
+            if(result>0)
+            {
+                return "success";
+            }
+            else
+            {
+                return "error";
+            }
+        }
+        catch (Exception e)
+        {
+            return "error:"+e.getMessage();
+        }
+    }
+    @ResponseBody
+    @RequestMapping("/updateActivity")
+    public String updateActivity(Activity activity)
+    {
+        try
+        {
+            int result=activityService.updateActivity(activity);
             if(result>0)
             {
                 return activity.getActivityId().toString();
@@ -93,10 +122,13 @@ public class TeacherController
     }
     @ResponseBody
     @RequestMapping("/addTeacherToActivity")
-    public String addTeacherToActivity(String teacherName,Long activityId)
+    public String addTeacherToActivity(Long userId,Long activityId)
     {
-        User user=userService.queryByUsername(teacherName);
-        int result=activityService.addTeacherToActivity(user.getUserId(),activityId);
+        if(activityService.checkIsManage(userId,activityId))
+        {
+            return "exist";
+        }
+        int result=activityService.addTeacherToActivity(userId,activityId);
         if(result>0)
         {
             return "success";
diff --git a/src/main/java/com/peteralbus/entity/Group.java b/src/main/java/com/peteralbus/entity/Group.java
index 40abce8..b69919d 100644
--- a/src/main/java/com/peteralbus/entity/Group.java
+++ b/src/main/java/com/peteralbus/entity/Group.java
@@ -7,6 +7,7 @@ import org.springframework.format.annotation.DateTimeFormat;
 import java.io.Serializable;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
+import java.util.List;
 
 /**
  * The type Group.
@@ -22,7 +23,9 @@ public class Group implements Serializable
     @TableField(exist = false)
     private String leaderName;
     @TableField(exist = false)
-    public Long memberCount;
+    private Long memberCount;
+    @TableField(exist = false)
+    private List<Participate> memberList;
     private Long activityId;
     @Version
     private Integer version;
@@ -142,6 +145,16 @@ public class Group implements Serializable
         this.memberCount = memberCount;
     }
 
+    public List<Participate> getMemberList()
+    {
+        return memberList;
+    }
+
+    public void setMemberList(List<Participate> memberList)
+    {
+        this.memberList = memberList;
+    }
+
     @Override
     public String toString()
     {
diff --git a/src/main/java/com/peteralbus/service/ActivityService.java b/src/main/java/com/peteralbus/service/ActivityService.java
index bb30404..d1ac6fa 100644
--- a/src/main/java/com/peteralbus/service/ActivityService.java
+++ b/src/main/java/com/peteralbus/service/ActivityService.java
@@ -50,6 +50,17 @@ public class ActivityService
         return manageDao.insert(manage);
     }
 
+    /**
+     * Update activity int.
+     *
+     * @param activity the activity
+     * @return the int
+     */
+    public int updateActivity(Activity activity)
+    {
+        return activityDao.updateById(activity);
+    }
+
     /**
      * Add teacher to activity int.
      *
diff --git a/src/main/java/com/peteralbus/service/GroupService.java b/src/main/java/com/peteralbus/service/GroupService.java
index d1d6591..4b6a81b 100644
--- a/src/main/java/com/peteralbus/service/GroupService.java
+++ b/src/main/java/com/peteralbus/service/GroupService.java
@@ -52,6 +52,10 @@ public class GroupService
         {
             User user=userDao.selectById(group.getLeaderId());
             group.setLeaderName(user.getRealName());
+            List<Participate> memberList=this.getGroupMember(group.getGroupId());
+            group.setMemberList(memberList);
+            Long memberCount=this.getMemberCount(group.getGroupId());
+            group.setMemberCount(memberCount);
         }
         return groupList;
     }
diff --git a/src/main/java/com/peteralbus/service/UserService.java b/src/main/java/com/peteralbus/service/UserService.java
index 9625c1a..81f80d8 100644
--- a/src/main/java/com/peteralbus/service/UserService.java
+++ b/src/main/java/com/peteralbus/service/UserService.java
@@ -72,4 +72,11 @@ public class UserService
     {
         return userDao.deleteById(user);
     }
+
+    public List<User> getTeacherList()
+    {
+        QueryWrapper<User> queryWrapper=new QueryWrapper<>();
+        queryWrapper.eq("user_class",2);
+        return userDao.selectList(queryWrapper);
+    }
 }
diff --git a/src/main/webapp/css/teacher/modifyActivity.css b/src/main/webapp/css/teacher/modifyActivity.css
index 0fc6a5f..5eb9841 100644
--- a/src/main/webapp/css/teacher/modifyActivity.css
+++ b/src/main/webapp/css/teacher/modifyActivity.css
@@ -5,6 +5,13 @@
     align-items: center;
 }
 
+.group-list-top{
+    width:95%;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
 .button-group{
     float: right;
 }
diff --git a/src/main/webapp/jsp/student/activities.jsp b/src/main/webapp/jsp/student/activities.jsp
index b35dafa..0e87299 100644
--- a/src/main/webapp/jsp/student/activities.jsp
+++ b/src/main/webapp/jsp/student/activities.jsp
@@ -100,15 +100,10 @@
                             <el-divider content-position="left">参加的活动</el-divider>
                             <div class="activity-list-card" v-for="item in activityListResult">
                                 <el-card class="box-card" shadow="hover">
-                                    <template #header>
-                                        <div class="card-header">
-                                            <span>{{item.activityName}}<el-tag size="mini">{{item.activityType}}</el-tag><el-tag effect="dark" type="success" size="mini" v-if="item.isFinished">已完成</el-tag></span>
-                                            <el-button class="button" type="text" @click="toManage(item.activityId)">管理</el-button>
-                                        </div>
-                                    </template>
-                                    <h5>负责老师:<span v-for="i in item.teachers">{{i.realName}}&emsp;</span></h5>
-                                    <p>要求人数:{{item.minPeople}}-{{item.maxPeople}}人</p>
-                                    <div>{{item.activityIntroduction}}</div>
+                                    <div class="card-header">
+                                        <span>{{item.activityName}}<el-tag size="mini">{{item.activityType}}</el-tag><el-tag effect="dark" type="success" size="mini" v-if="item.isFinished">已完成</el-tag></span>
+                                        <el-button class="button" type="text" @click="toManage(item.activityId)">管理</el-button>
+                                    </div>
                                 </el-card>
                             </div>
                             <el-divider content-position="left">所有活动</el-divider>
diff --git a/src/main/webapp/jsp/teacher/activity.jsp b/src/main/webapp/jsp/teacher/activity.jsp
index 1c382b6..1429037 100644
--- a/src/main/webapp/jsp/teacher/activity.jsp
+++ b/src/main/webapp/jsp/teacher/activity.jsp
@@ -49,7 +49,7 @@
                                             direction="rtl"
                                     >
                                         <div class="drawer-box">
-                                            <el-form ref="form" :rules="rules" :model="form" style="width: 80%">
+                                            <el-form ref="form" :rules="rules" :model="form" style="width: 80%" label-width="80px">
                                                 <el-form-item label="活动名称" prop="activityName">
                                                     <el-input v-model="form.activityName" autocomplete="off"></el-input>
                                                 </el-form-item>
@@ -80,18 +80,18 @@
                             <el-divider content-position="left">负责的活动</el-divider>
                             <div class="activity-list-card" v-for="item in activityListResult">
                                 <el-card class="box-card" shadow="hover">
-                                    <template #header>
-                                        <div class="card-header">
-                                            <span>{{item.activityName}}<el-tag size="mini">{{item.activityType}}</el-tag></span>
-                                            <el-button class="button" type="text" @click="toModify(item.activityId)">管理</el-button>
-                                        </div>
-                                    </template>
-                                    <div>
-                                        <p>要求人数:{{item.minPeople}}-{{item.maxPeople}}人</p>
-                                        <p>{{item.activityIntroduction}}</p>
+                                    <div class="card-header">
+                                        <span>{{item.activityName}}<el-tag size="mini">{{item.activityType}}</el-tag></span>
+                                        <el-button class="button" type="text" @click="toModify(item.activityId)">管理</el-button>
                                     </div>
                                 </el-card>
                             </div>
+                            <div class="activity-list-top">
+                                <el-input v-model="keyWord1" prefix-icon="el-icon-search" placeholder="请输入活动名搜索" style="width: 50%"></el-input>
+                                <div>
+                                    <el-button type="primary" @click="showAddActivityForm=true">添加活动<i class="el-icon-document-add el-icon--right"></i></el-button>
+                                </div>
+                            </div>
                             <el-divider content-position="left">所有活动</el-divider>
                             <div style="text-align: center">
                                 <el-pagination
@@ -159,6 +159,7 @@
                 },
                 activeIndex:'2',
                 keyWord:'',
+                keyWord1:'',
                 activityList:[],
                 allActivities:[],
                 currentPage:1,
@@ -236,14 +237,14 @@
             },
             allActivitiesResult:function (){
                 let result=[];
-                if(this.keyWord==='')
+                if(this.keyWord1==='')
                 {
                     return this.allActivities;
                 }
                 for(let i=0;i<this.allActivities.length;i++)
                 {
                     let str=this.allActivities[i].activityName;
-                    if(str.search(this.keyWord)!==-1)
+                    if(str.search(this.keyWord1)!==-1)
                     {
                         result.push(this.allActivities[i]);
                     }
diff --git a/src/main/webapp/jsp/teacher/activityDetail.jsp b/src/main/webapp/jsp/teacher/activityDetail.jsp
index 5d084ba..7d08789 100644
--- a/src/main/webapp/jsp/teacher/activityDetail.jsp
+++ b/src/main/webapp/jsp/teacher/activityDetail.jsp
@@ -6,6 +6,7 @@
 --%>
 <%@ 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>
@@ -63,6 +64,12 @@
                                         </template>
                                         {{activity.minPeople}}-{{activity.maxPeople}}人
                                     </el-descriptions-item>
+                                    <el-descriptions-item>
+                                        <template #label>
+                                            负责老师
+                                        </template>
+                                        <span v-for="i in activity.teachers">{{i.realName}}&emsp;</span>
+                                    </el-descriptions-item>
                                     <el-descriptions-item>
                                         <template #label>
                                             创建日期
@@ -109,7 +116,18 @@
                     activityIntroduction:'${activity.getActivityIntroduction()}',
                     minPeople:'${activity.getMinPeople()}',
                     maxPeople:'${activity.getMaxPeople()}',
-                    gmtCreate:'${activity.getFormattedCreateDate()}'
+                    gmtCreate:'${activity.getFormattedCreateDate()}',
+                    teachers:[
+                        <c:forEach items="${activity.getTeacherList()}" var="teacher">
+                        {
+                            userId:'${teacher.getUserId()}',
+                            username:'${teacher.getUsername()}',
+                            realName:'${teacher.getRealName()}',
+                            userPhone:'${teacher.getUserPhone()}',
+                            avatarSrc:'${teacher.getAvatarSrc()}'
+                        },
+                        </c:forEach>
+                    ]
                 },
                 activeIndex:'2'
             }
diff --git a/src/main/webapp/jsp/teacher/modifyActivity.jsp b/src/main/webapp/jsp/teacher/modifyActivity.jsp
index 654f452..0f78cb9 100644
--- a/src/main/webapp/jsp/teacher/modifyActivity.jsp
+++ b/src/main/webapp/jsp/teacher/modifyActivity.jsp
@@ -6,6 +6,7 @@
 --%>
 <%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
 <%@ taglib prefix="shiro" uri="http://shiro.apache.org/tags" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
 <!DOCTYPE html>
 <html>
 <head>
@@ -14,6 +15,8 @@
     <script src="${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">
@@ -32,33 +35,92 @@
                     <%@ include file="/jsp/aside.html" %>
                 </el-aside>
                 <el-main>
+                    <el-dialog
+                            v-model="dialogVisible"
+                            title="选择老师"
+                            width="50%"
+                    >
+                        <el-table :data="teacherListResultPagination" style="width: 100%">
+                            <el-table-column prop="username" label="用户名"></el-table-column>
+                            <el-table-column prop="realName" label="姓名"></el-table-column>
+                            <el-table-column align="right">
+                                <template #header>
+                                    <el-input v-model="keyWord" size="mini" placeholder="搜索姓名/用户名"></el-input>
+                                </template>
+                                <template #default="scope">
+                                    <el-button size="mini" @click="addTeacher(scope.row.userId)" type="primary">添加</el-button>
+                                </template>
+                            </el-table-column>
+                        </el-table>
+                        <el-pagination
+                                background
+                                layout="total, prev, pager, next"
+                                :total="teacherListResult.length"
+                                :page-size="5"
+                                v-model:current-page="currentPage">
+                        </el-pagination>
+                    </el-dialog>
                     <el-page-header icon="el-icon-arrow-left" :content="title" @back="goBack"></el-page-header>
                     <br/>
-                    <div class="container modifyForm">
-                        <el-form ref="activity" :rules="rules" :model="form" style="width: 100%">
-                            <el-form-item label="活动名称" prop="activityName">
-                                <el-input v-model="activity.activityName" autocomplete="off"></el-input>
-                            </el-form-item>
-                            <el-form-item label="活动类型" prop="activityType">
-                                <el-select
-                                        v-model="activity.activityType"
-                                        placeholder="选择活动类型"
-                                >
-                                    <el-option label="阳光社区" value="阳光社区"></el-option>
-                                    <el-option label="暖心公益" value="暖心公益"></el-option>
-                                </el-select>
-                            </el-form-item>
-                            <el-form-item label="参加人数">
-                                <el-slider v-model="range" range :max="50" :min="1"> </el-slider>
-                            </el-form-item>
-                            <el-form-item label="活动介绍" prop="activityIntroduction">
-                                <el-input type="textarea" :rows="10" v-model="activity.activityIntroduction"></el-input>
-                            </el-form-item>
-                            <div class="button-group">
-                                <el-button type="primary" @click="submit('form')" :loading="loading">更改</el-button>
-                                <el-button type="danger">删除</el-button>
-                            </div>
-                        </el-form>
+                    <div class="container">
+                        <el-divider content-position="left">编辑活动信息</el-divider>
+                        <div class="modifyForm">
+                            <el-form ref="form" :rules="rules" :model="activity" style="width: 100%" label-width="80px">
+                                <el-form-item label="活动名称" prop="activityName">
+                                    <el-input v-model="activity.activityName" autocomplete="off"></el-input>
+                                </el-form-item>
+                                <el-form-item label="活动类型" prop="activityType">
+                                    <el-select
+                                            v-model="activity.activityType"
+                                            placeholder="选择活动类型"
+                                    >
+                                        <el-option label="阳光社区" value="阳光社区"></el-option>
+                                        <el-option label="暖心公益" value="暖心公益"></el-option>
+                                    </el-select>
+                                </el-form-item>
+                                <el-form-item label="负责老师">
+                                    <span v-for="i in activity.teachers">{{i.realName}}&emsp;</span>
+                                    <el-button @click="dialogVisible=true" size="small" type="primary">添加</el-button>
+                                </el-form-item>
+                                <el-form-item label="参加人数">
+                                    <el-slider v-model="range" range :max="50" :min="1"> </el-slider>
+                                </el-form-item>
+                                <el-form-item label="活动介绍" prop="activityIntroduction">
+                                    <el-input type="textarea" :rows="10" v-model="activity.activityIntroduction"></el-input>
+                                </el-form-item>
+                                <div class="button-group">
+                                    <el-button type="primary" @click="submit('form')" :loading="loading">更改</el-button>
+                                    <el-button type="danger">删除</el-button>
+                                </div>
+                            </el-form>
+                        </div>
+                        <el-divider content-position="left">参加活动的小组</el-divider>
+                        <div>
+                            <el-collapse>
+                                <el-collapse-item :name="item.groupId" v-for="item in groupList" style="width:100%">
+                                    <template #title>
+                                        <div class="group-list-top">
+                                            <div>
+                                                {{item.groupName}}-组长:{{item.leaderName}}, 组员数量:{{item.memberCount}}
+                                            </div>
+                                            <div>
+                                                <el-button type="primary" size="mini">管理该小组</el-button>
+                                            </div>
+                                        </div>
+                                    </template>
+                                    <el-table :data="item.memberList" style="width: 100%" stripe>
+                                        <el-table-column prop="username" label="用户名"></el-table-column>
+                                        <el-table-column prop="realName" label="姓名"></el-table-column>
+                                        <el-table-column align="right" label="加入状态">
+                                            <template #default="scope">
+                                                <el-tag type="success" v-if="scope.row.isAccept">已通过</el-tag>
+                                                <el-tag type="info" v-if="!scope.row.isAccept">审核中</el-tag>
+                                            </template>
+                                        </el-table-column>
+                                    </el-table>
+                                </el-collapse-item>
+                            </el-collapse>
+                        </div>
                     </div>
                 </el-main>
             </el-container>
@@ -79,6 +141,10 @@
                     avatarSrc: ''
                 },
                 range:[${activity.getMinPeople()},${activity.getMaxPeople()}],
+                loading:false,
+                dialogVisible:false,
+                currentPage:1,
+                keyWord:'',
                 activity:{
                     activityId: '${activity.getActivityId()}',
                     activityName: '${activity.getActivityName()}',
@@ -86,8 +152,49 @@
                     activityIntroduction:'${activity.getActivityIntroduction()}',
                     minPeople:${activity.getMinPeople()},
                     maxPeople:${activity.getMaxPeople()},
-                    gmtCreate:'${activity.getFormattedCreateDate()}'
+                    gmtCreate:'${activity.getFormattedCreateDate()}',
+                    teachers:[
+                        <c:forEach items="${activity.getTeacherList()}" var="teacher">
+                        {
+                            userId:'${teacher.getUserId()}',
+                            username:'${teacher.getUsername()}',
+                            realName:'${teacher.getRealName()}',
+                            userPhone:'${teacher.getUserPhone()}',
+                            avatarSrc:'${teacher.getAvatarSrc()}'
+                        },
+                        </c:forEach>
+                    ]
                 },
+                groupList: [
+                    <c:forEach items="${groupList}" var="group">
+                    {
+                        groupId:'${group.getGroupId()}',
+                        groupName:'${group.getGroupName()}',
+                        leaderName:'${group.getLeaderName()}',
+                        memberCount:'${group.getMemberCount()}',
+                        memberList:[
+                            <c:forEach items="${group.getMemberList()}" var="member">
+                            {
+                                participateId:'${member.getParticipationId()}',
+                                userId:'${member.getUserId()}',
+                                username:'${member.getUsername()}',
+                                realName:'${member.getRealName()}',
+                                isAccept:${member.getAccept()}
+                            },
+                            </c:forEach>
+                        ]
+                    },
+                    </c:forEach>
+                ],
+                teacherList:[
+                    <c:forEach items="${teacherList}" var="teacher">
+                    {
+                        userId:'${teacher.getUserId()}',
+                        username:'${teacher.getUsername()}',
+                        realName:'${teacher.getRealName()}',
+                    },
+                    </c:forEach>
+                ],
                 rules: {
                     activityName: [
                         { required: true, message: '请填写活动名称', trigger: 'blur' }
@@ -107,6 +214,24 @@
             this.user.username='${username}'
             this.user.avatarSrc='${avatarSrc}'
         },
+        computed:{
+            teacherListResult:function (){
+                let result=[];
+                for(let i=0;i<this.teacherList.length;i++)
+                {
+                    let str=this.teacherList[i].realName
+                    let str1=this.teacherList[i].username
+                    if(str.search(this.keyWord)!==-1||str1.search(this.keyWord)!==-1)
+                    {
+                        result.push(this.teacherList[i]);
+                    }
+                }
+                return result;
+            },
+            teacherListResultPagination:function (){
+                return this.teacherListResult.slice((this.currentPage-1)*5,this.currentPage*5)
+            }
+        },
         methods: {
             goBack(){
                 window.history.go(-1);
@@ -115,11 +240,11 @@
                 this.$refs[name].validate((valid) => {
                     if (valid) {
                         this.loading=true
-                        this.form.minPeople=this.range[0]
-                        this.form.maxPeople=this.range[1]
+                        this.activity.minPeople=this.range[0]
+                        this.activity.maxPeople=this.range[1]
                         axios({
                             method: "post",
-                            url: "/teacher/modifyActivity",
+                            url: "/teacher/updateActivity",
                             data: this.activity,
                             transformRequest: [ function(data){
                                 return Qs.stringify(data)  //使用Qs将请求参数序列化
@@ -142,6 +267,37 @@
                     }
                 })
             },
+            addTeacher(id){
+                this.$messageBox.confirm(
+                    '确认要添加改老师为负责老师吗，该老师将拥有与你相同的权限？',
+                    '警告',
+                    {
+                        confirmButtonText: '确认',
+                        cancelButtonText: '取消',
+                        type: 'warning',
+                    }
+                )
+                    .then(() => {
+                        axios({
+                            method: "get",
+                            url: "/teacher/addTeacherToActivity?userId="+id+"&activityId="+this.activity.activityId,
+                        }).then(res=>{
+                            this.loading=false
+                            if(res.data==="error")
+                            {
+                                this.$message.error('添加失败!')
+                            }
+                            else if(res.data==="exist")
+                            {
+                                this.$message.error('该老师已经是负责老师!')
+                            }
+                            else
+                            {
+                                location.reload()
+                            }
+                        })
+                    })
+            }
         }
     };
     const app = Vue.createApp(App);