diff --git a/.gitignore b/.gitignore
index 6287089..9b45280 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,13 @@ res/
 docs/
 pandocs
 
+push-git.cmd
+
+cloudfunctionTemplate/
+
+# node
+node_modules
+
 
 # Windows
 [Dd]esktop.ini
diff --git a/changelog.md b/changelog.md
index b504cba..2df51dc 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+## v0.19.3
+ * U 列表界面的图片懒加载
+ * F 修复带Cookie请求的bug
+
 ## v0.19.2
  * F 课堂邀请页面小程序码获取失败
  * F 每日签到完后按钮没有变灰
diff --git a/cloudfunctions/.gitignore b/cloudfunctions/.gitignore
new file mode 100644
index 0000000..9bf345e
--- /dev/null
+++ b/cloudfunctions/.gitignore
@@ -0,0 +1 @@
+trigger_function/
\ No newline at end of file
diff --git a/cloudfunctions/cloudapi/index.js b/cloudfunctions/cloudapi/index.js
index 626e3c6..2b71ec6 100644
--- a/cloudfunctions/cloudapi/index.js
+++ b/cloudfunctions/cloudapi/index.js
@@ -136,6 +136,7 @@ exports.main = async (event, context) => {
           isCrawl: data.scene==1129,
           sceneDesc: sceneDescMap[data.scene],
           time: now,
+          createdAt:now,
           timestamp: Date.now(),
           openid: wxContext.OPENID,
           _openid: wxContext.OPENID
diff --git a/cloudfunctions/trigger/config.json b/cloudfunctions/trigger/config.json
index b7aa720..bc9aaa8 100644
--- a/cloudfunctions/trigger/config.json
+++ b/cloudfunctions/trigger/config.json
@@ -14,11 +14,7 @@
     {
       "name": "clearPageHistory",
       "type":"timer",
-      "config":"0 0 3 1 * * *"
-    },{
-      "name":"attendance",
-      "type":"timer",
-      "config":"0 0 4 * * * *"
+      "config":"0 0 1 1 * * *"
     }
   ]
 }
\ No newline at end of file
diff --git a/cloudfunctions/trigger/index.js b/cloudfunctions/trigger/index.js
index 9cc0929..f312a6e 100644
--- a/cloudfunctions/trigger/index.js
+++ b/cloudfunctions/trigger/index.js
@@ -103,15 +103,3 @@ async function clearPageHistory({Time}){
   console.log("remove page History result: ", res);
   return {code: 0, message:"success", data:res};
 }
-
-async function attandance({Time}){
-  /**let postResponse = await got(url, {
-    method: 'GET', //post请求
-    headers: {
-      'Content-Type': 'application/json'
-    },
-    body: JSON.stringify({
-
-    })
-  })**/
-}
\ No newline at end of file
diff --git a/miniprogram/account/pages/accounts/accounts.js b/miniprogram/account/pages/accounts/accounts.js
index b5f72ef..266d1db 100644
--- a/miniprogram/account/pages/accounts/accounts.js
+++ b/miniprogram/account/pages/accounts/accounts.js
@@ -13,6 +13,9 @@ Page({
       this.loaded = 1;
     })
   },
+  onReady(){
+    app.reportPageHistory();
+  },
   onShow(){
     console.log("show", Date.now());
     if(this.loaded)
diff --git a/miniprogram/components/nav-bar/nav-bar.wxss b/miniprogram/components/nav-bar/nav-bar.wxss
index c14d8ce..60c987d 100644
--- a/miniprogram/components/nav-bar/nav-bar.wxss
+++ b/miniprogram/components/nav-bar/nav-bar.wxss
@@ -5,6 +5,7 @@
     font-size: 13px;
     white-space: nowrap;
     flex: none;
+    -webkit-overflow-scrolling: touch;
 }
 .view.common{
   color: dimgray;
diff --git a/miniprogram/course/modules/activity/activity_item/activity_item.wxml b/miniprogram/course/modules/activity/activity_item/activity_item.wxml
index 60e0d3c..924939b 100644
--- a/miniprogram/course/modules/activity/activity_item/activity_item.wxml
+++ b/miniprogram/course/modules/activity/activity_item/activity_item.wxml
@@ -12,7 +12,7 @@
       <text class="type" style="color:{{color}};border-color:{{color}}">{{type}}</text>
     </view>
     <view class="body">
-      <image class="avatar" src="{{eduImgDir}}{{author.img}}" mode="aspectFill" />
+      <image lazy-load="1" class="avatar" src="{{eduImgDir}}{{author.img}}" mode="aspectFill" />
       <view class="content">{{text}}</view>
     </view>
   </view>
diff --git a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxml b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxml
index 5cdacca..7faaf04 100644
--- a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxml
+++ b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxml
@@ -4,7 +4,7 @@
     <text class="tip" style="{{data.time_status>=5?'background:#FC2B6A':''}}" wx:for="{{data.status}}">{{item}}</text>
   </view>
   <view class="author">
-    <image class="avatar" src="{{eduImgDir}}{{data.author_img}}" mode="aspectFill"></image>
+    <image lazy-load="1" class="avatar" src="{{eduImgDir}}{{data.author_img}}" mode="aspectFill"></image>
     <text class="author-name">{{data.author}}</text>
     <text class="time">{{data.status_time}}</text>
   </view>
diff --git a/miniprogram/course/modules/students/student-item/student-item.wxml b/miniprogram/course/modules/students/student-item/student-item.wxml
index 78ee377..c8371e0 100644
--- a/miniprogram/course/modules/students/student-item/student-item.wxml
+++ b/miniprogram/course/modules/students/student-item/student-item.wxml
@@ -1,6 +1,6 @@
 <mp-slideview disable="{{!ext.course_identity||ext.course_identity==5}}" buttons="{{buttons}}" bindbuttontap="onButtonTap">
 	<view class="student thin-border-bottom">
-		<image class="avatar" src="{{eduImgDir}}{{data.image_url}}"></image>
+		<image class="avatar" lazy-load="1" src="{{eduImgDir}}{{data.image_url}}"></image>
 		<view class="detail">
 			<view class="name">{{data.name}}</view>
 			<view class="student-id" wx:if="{{data.student_id}}">学号：{{data.student_id}}</view>
diff --git a/miniprogram/course/modules/teachers/teacher-item/teacher-item.wxml b/miniprogram/course/modules/teachers/teacher-item/teacher-item.wxml
index 4565b31..1b6f96a 100644
--- a/miniprogram/course/modules/teachers/teacher-item/teacher-item.wxml
+++ b/miniprogram/course/modules/teachers/teacher-item/teacher-item.wxml
@@ -1,6 +1,6 @@
 <mp-slideview disable="{{!ext.course_identity||ext.course_identity>2||data.role=='管理员'}}" buttons="{{buttons}}" bindbuttontap="onButtonTap">
 	<view class="teacher thin-border-bottom">
-		<image class="avatar" src="{{eduImgDir}}{{data.image_url}}"></image>
+		<image class="avatar" lazy-load="1" src="{{eduImgDir}}{{data.image_url}}"></image>
 		<view class="detail">
 			<view class="name">{{data.name}}</view>
       <view class="school">{{data.school}}</view>
diff --git a/miniprogram/js/api.js b/miniprogram/js/api.js
index 993f98d..c8acbe3 100644
--- a/miniprogram/js/api.js
+++ b/miniprogram/js/api.js
@@ -28,7 +28,7 @@ export class Session{
     return wx.request({
       ...options,
       url,
-      header: {...header, "Cookie": this.cookies},
+      header: {"Cookie": this.cookies,...header,},
       success: (res) => {
         console.debug("request success", res);
         if (res.cookies && res.cookies.length>0)
@@ -37,7 +37,7 @@ export class Session{
           this.setCookies(this.splitCookies(res.header["Set-Cookie"]));
         else if(res.header["set-cookie"])
           this.setCookies(this.splitCookies(res.header["set-Cookie"]));
-        success(res);
+        success&&success(res);
         if(url.indexOf("login.json")!=-1&&!res.data.status&&!this.cookies){
           wx.reportMonitor("0", 2);
           global.realTimeLog.error(res, "login fail: fail parse cookies!!", res);
diff --git a/miniprogram/pages/home/home.js b/miniprogram/pages/home/home.js
index 818af76..7f538a6 100644
--- a/miniprogram/pages/home/home.js
+++ b/miniprogram/pages/home/home.js
@@ -217,7 +217,8 @@ Page({
           data:{
             ...res,
             name: "users.attendance",
-            createAt: db.serverDate()
+            createdAt: db.serverDate(),
+            createAt: db.serverDate() //@deprecated
           }
         })
         this.setData({"user.attendance_signed": true});
diff --git a/miniprogram/pages/main/my_course/course-item/course-item.wxml b/miniprogram/pages/main/my_course/course-item/course-item.wxml
index c9c3e3e..a280520 100644
--- a/miniprogram/pages/main/my_course/course-item/course-item.wxml
+++ b/miniprogram/pages/main/my_course/course-item/course-item.wxml
@@ -4,7 +4,7 @@
     <mp-icon icon="more" type="field" color="white"/>
   </view>
   <view class="body">
-    <image class="avatar" src="{{eduImgDir}}{{data.avatar_url}}" />
+    <image lazy-load="1" class="avatar" src="{{eduImgDir}}{{data.avatar_url}}" />
     <view class="course-info">
       <view class="course-name">{{data.name}}</view>
       <view class="info">
diff --git a/miniprogram/pages/tidings/tiding-item/tiding-item.wxml b/miniprogram/pages/tidings/tiding-item/tiding-item.wxml
index 99a9e05..0520eda 100644
--- a/miniprogram/pages/tidings/tiding-item/tiding-item.wxml
+++ b/miniprogram/pages/tidings/tiding-item/tiding-item.wxml
@@ -1,5 +1,5 @@
 <view class="tiding" bindtap="enterDetail">
-  <image class="avatar" mode="scaleToFill" src="{{eduImgDir}}{{data.trigger_user.image_url}}"></image>
+  <image lazy-load="1" class="avatar" mode="scaleToFill" src="{{eduImgDir}}{{data.trigger_user.image_url}}"></image>
   <view class="tiding-info">
     <view class="name">
       {{data.trigger_user.name}} {{data.time}}<text wx:if="{{data.tiding_type=='Apply'}}" class="todo-tip {{data.status?'finish':''}}">{{data.status?'已处理':'待审批'}}</text>
diff --git a/project.config.json b/project.config.json
index 6bead0d..eab112a 100644
--- a/project.config.json
+++ b/project.config.json
@@ -225,7 +225,7 @@
 					"id": 22,
 					"name": "course_invite",
 					"pathName": "course/pages/course_invite/course_invite",
-					"query": "course_id=8275",
+					"query": "course_id=3821",
 					"scene": null
 				},
 				{