diff --git a/images/fw0s59oq.png b/images/fw0s59oq.png
new file mode 100644
index 0000000..48732e4
Binary files /dev/null and b/images/fw0s59oq.png differ
diff --git a/images/fwwbgojaq.png b/images/fwwbgojaq.png
deleted file mode 100644
index 855ae74..0000000
Binary files a/images/fwwbgojaq.png and /dev/null differ
diff --git a/index.html b/index.html
index 41d29a2..4fd18e1 100644
--- a/index.html
+++ b/index.html
@@ -3,22 +3,25 @@
Course Crawler
-
+
-
-
+
+
diff --git a/notice.md b/notice.md
index e35a05a..c89cd5e 100644
--- a/notice.md
+++ b/notice.md
@@ -18,6 +18,6 @@
## 感谢
-docsify https://github.com/QingWei-Li/docsify/
+docsify https://github.com/QingWei-Li/docsify
以及你们的支持。
diff --git a/specific/xuetangx.md b/specific/xuetangx.md
index ed4df38..1057ecc 100644
--- a/specific/xuetangx.md
+++ b/specific/xuetangx.md
@@ -17,12 +17,14 @@ http://www.xuetangx.com/courses/course-v1:TsinghuaX+00740043_2x_2015_T2+sp/about
在浏览器中登录后,按 `F12`,在浏览器控制台中执行
```javascript
-console.log(document.cookie);
+copy(document.cookie);
```
-然后复制输出的内容。
+执行完成后,cookies 会自动复制到粘贴板。
-
+(也可以 `console.log(document.cookie);` 然后手动复制输出结果。)
+
+
在调用程序获取课程的时候,会自动要求输入 cookies,粘贴便是。