diff --git a/src/layouts/header/index.vue b/src/layouts/header/index.vue
index 8956282..50887fe 100644
--- a/src/layouts/header/index.vue
+++ b/src/layouts/header/index.vue
@@ -8,19 +8,24 @@
                     <span class="username">{{userName}}</span>
                 </div>
                 <el-dropdown-menu slot="dropdown">
+                    <el-dropdown-item command="help">用户手册</el-dropdown-item>
                     <el-dropdown-item command="person">个人资料</el-dropdown-item>
                     <el-dropdown-item command="logout">退出登录</el-dropdown-item>
                 </el-dropdown-menu>
             </el-dropdown>
         </div>
+        <pdf :visible.sync="pdfVisible" :src.sync="pdfSrc"></pdf>
     </div>
 </template>
 <script>
 import { mapState,mapActions } from 'vuex'
 import Setting from '@/setting'
+import pdf from '@/components/pdf'
 export default {
     data() {
         return {
+            pdfVisible: false,
+            pdfSrc: '',
             showBackList: Setting.layout.hideNavList,
         };
     },
@@ -34,6 +39,7 @@ export default {
             return false
         }
     },
+    components: { pdf },
     mounted(){
         
     },
@@ -42,8 +48,10 @@ export default {
             'logout'
         ]),
         userCommand(command){
-            console.log(command)
-            if(command == 'person'){
+            if(command == 'help'){
+                this.pdfVisible = true
+                this.pdfSrc = 'http://39.108.250.202/template/%E8%B6%85%E7%AB%9E%E6%95%B0%E5%AD%97%E5%8C%96%E8%80%83%E8%AF%95%E7%B3%BB%E7%BB%9F-%E6%93%8D%E4%BD%9C%E6%89%8B%E5%86%8C%EF%BC%88%E5%AD%A6%E6%A0%A1%E7%AE%A1%E7%90%86%E7%AB%AF%EF%BC%89.pdf'
+            }else if(command == 'person'){
                 this.$router.push('/setting/person')
             }else{
                 this.logout()
diff --git a/src/pages/assessment/list/studentTree.vue b/src/pages/assessment/list/studentTree.vue
index 0746020..8b433fa 100644
--- a/src/pages/assessment/list/studentTree.vue
+++ b/src/pages/assessment/list/studentTree.vue
@@ -6,7 +6,7 @@
             <div v-for="(item,index) in classList" :key="index">
                 <div class="item" @click.stop="open(item)">
                     <i class="empty"></i>
-                    <i :class="item.ischeck ? 'checked' : 'checkbox'" @click.stop="fircheckitem(item)"></i>
+                    <i :class="item.ischeck ? 'checked' : 'checkbox'" @click.stop="threecheckitem(item)"></i>
                     <span>{{item.label}}</span>
                 </div>
             </div>
@@ -98,7 +98,6 @@ export default {
             if(this.keyword){
                 let list = this.allClassList
                 let result = []
-
                 list.map((n,i) => {
                     if(n.label.includes(this.keyword)) result.push(n)
                 })
diff --git a/src/pages/testPaper/list/myTestPaper.vue b/src/pages/testPaper/list/myTestPaper.vue
index 3f9e14e..fb97924 100644
--- a/src/pages/testPaper/list/myTestPaper.vue
+++ b/src/pages/testPaper/list/myTestPaper.vue
@@ -1,6 +1,6 @@
 <template>
     <div>
-        <el-dialog title="导出" :visible.sync="exportVisible" width="100%" :modal="false" v-loading="loading" top="5500px">
+        <el-dialog title="导出" :visible.sync="exportVisible" width="1800px" :modal="false" v-loading="loading" top="5500px">
             <div class="testpaper" id="pdfDom">
                 <h1 class="title">{{paperName}}</h1>
                 <ul class="types">
@@ -169,9 +169,9 @@ function getUrlBase64(url, ext, callback) {
     img.crossOrigin = 'Anonymous';
     img.src = url;
     img.onload = function () {
-        canvas.height = 300; //指定画板的高度,自定义
-        canvas.width = 300; //指定画板的宽度，自定义
-        ctx.drawImage(img, 0, 0, 300, 300); //参数可自定义
+        canvas.width = 1400; //指定画板的宽度，自定义
+        canvas.height = 800; //指定画板的高度,自定义
+        ctx.drawImage(img, 0, 0, 1400, 800); //参数可自定义
         var dataURL = canvas.toDataURL("image/" + ext);
         callback.call(this, dataURL); //回掉函数获取Base64编码
         canvas = null;
@@ -335,10 +335,9 @@ export default {
                     list[i].map(n => {
                         let src = reg.exec(n.questionStem)
                         if(src){
-                            console.log(11,src,src[0],reg.lastIndex)
                             src = src[0].replace('<img src="','').replace('">','')
                             getUrlBase64(src, 'jpg', function (base64) {
-                                n.questionStem = n.questionStem.replace(reg,`<img width="300" src="${base64}">`)
+                                n.questionStem = n.questionStem.replace(reg,`<img width="1400" height="800" src="${base64}">`)
                             })
                         }
                     })
@@ -500,15 +499,14 @@ export default {
         .title{
             margin-bottom: 30px;
             text-align: center;
-            font-size: 30px;
-            font-weight: bold;
+            font-size: 29px;
         }
         .types{
             &>li{
                 margin-bottom: 30px;
                 .type{
                     margin-bottom: 10px;
-                    font-size: 16px;
+                    font-size: 18px;
                 }
             }
             .ques{
@@ -517,7 +515,8 @@ export default {
                     .stem{
                         display: flex;
                         margin-bottom: 10px;
-                        font-size: 14px;
+                        font-size: 16px;
+                        line-height: 1.5;
                         .index{
                             margin: 2px 10px 0 0;
                         }
@@ -526,7 +525,8 @@ export default {
                         display: flex;
                         p{
                             margin-right: 20px;
-                            font-size: 12px;
+                            font-size: 16px;
+                            line-height: 1.5;
                         }
                     }
                 }
diff --git a/src/setting.js b/src/setting.js
index edb9cf7..aafccfa 100644
--- a/src/setting.js
+++ b/src/setting.js
@@ -16,7 +16,7 @@ const Setting = {
     showProgressBar: true,
     // 接口请求地址
     // apiBaseURL: env === 'development' ? 'http://192.168.31.151:8001' : 'http://39.108.250.202:8000/',
-    apiBaseURL: env === 'development' ? 'http://192.168.31.151:8001' : 'http://39.108.250.202:9000',
+    apiBaseURL: env === 'development' ? 'http://39.108.250.202:9000' : 'http://39.108.250.202:9000',
     // 接口请求返回错误时，弹窗的持续时间，单位：秒
     modalDuration: 3,
     // 接口请求返回错误时，弹窗的类型，可选值为 Message 或 Notice