diff --git a/src/pages/account/login/index.vue b/src/pages/account/login/index.vue
index 692fbe9..b57e61f 100644
--- a/src/pages/account/login/index.vue
+++ b/src/pages/account/login/index.vue
@@ -34,8 +34,8 @@ export default {
         return {
             isReg: false,
             loginForm: {
-                username: '13563422432',
-                password: '111aaa',
+                username: '',
+                password: '',
             },
             loginRules: {
                 username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
diff --git a/src/pages/exam/do/index.vue b/src/pages/exam/do/index.vue
index abe712d..a96f997 100644
--- a/src/pages/exam/do/index.vue
+++ b/src/pages/exam/do/index.vue
@@ -169,15 +169,15 @@ export default {
     },
     mounted() {
         this.getData()
-        this.addLeaveEvent()
-        this.queryState()
+        this.addLeaveEvent()// 页面离开的时候询问是否离开
+        this.queryState()// 每秒钟调接口查询考试是否被强制交卷
     },
     beforeDestroy(){
         clearInterval(this.timer)
         clearInterval(this.queryStateTimer)
         window.onbeforeunload = null
         window.updateProgress = null
-        this.addRecords()
+        this.addRecords()// 页面离开前提交学生所做答案
     },
     methods: {
         getData() {
@@ -351,8 +351,10 @@ export default {
                 e.map((n,k) => {
                     let userAnswer = ''
                     if(i == 1){
+                        // 多选题
                         userAnswer = n.val.join('')
                     }else if(i == 3){
+                        // 填空题收集每个空的答案
                         userAnswer = [...document.querySelectorAll(`.stem${i}${k} input`)].map(n => n.value).filter(n => n).join('<>')
                     }else{
                         userAnswer = n.val
diff --git a/src/pages/practice/do/index.vue b/src/pages/practice/do/index.vue
index 5321837..dda5d03 100644
--- a/src/pages/practice/do/index.vue
+++ b/src/pages/practice/do/index.vue
@@ -143,6 +143,7 @@ export default {
         ]),
     },
     mounted() {
+        // 练习的做题页面跟考核的做题页面类似，只是少了个倒计时，而且不会每秒钟调接口去查询状态
         this.getData()
         this.addLeaveEvent()
     },
diff --git a/src/setting.js b/src/setting.js
index 95860c3..5f1193f 100644
--- a/src/setting.js
+++ b/src/setting.js
@@ -15,8 +15,8 @@ const Setting = {
     // 页面切换时，是否显示模拟的进度条
     showProgressBar: true,
     // 接口请求地址
-    // apiBaseURL: env === 'development' ? 'http://192.168.31.151:9000' : 'http://8.134.8.197:9000',
-    apiBaseURL: env === 'development' ? 'http://192.168.31.151:9000' : 'http://8.134.8.197:9000',
+    // apiBaseURL: env === 'development' ? 'http://192.168.31.151:9000' : 'http://112.74.110.92:9000',
+    apiBaseURL: env === 'development' ? 'http://112.74.110.92:9000' : 'http://112.74.110.92:9000',
     // 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
@@ -60,7 +60,7 @@ const Setting = {
     dynamicRoute: false,
     // 文件上传
     upload: {
-        apiURL: 'http://8.134.8.197:8001',
+        apiURL: 'http://112.74.110.92:8001',
         maxSize: 30,
     },
 };