修改并补充折叠内容

danmaku/danmaku_xml.md

@@ -47,6 +47,9 @@ curl 'http://comment.bilibili.com/144541892.xml'
 --compressed -o 'danmaku.xml'
 ```
 
+<details>
+<summary>查看响应示例：</summary>
+
 ```xml
 <?xml version="1.0" encoding="UTF-8"?>
 <i>
@@ -76,7 +79,7 @@ curl 'http://comment.bilibili.com/144541892.xml'
 <i>
 ```
 
-
+</details>
 
 ## 弹幕格式
 

danmaku/history.md

@@ -127,6 +127,9 @@ curl -G 'http://api.bilibili.com/x/v2/dm/history'\
 --compressed -o 'danmaku.xml'
 ```
 
+<details>
+<summary>查看响应示例：</summary>
+
 ```xml
 <?xml version="1.0" encoding="UTF-8"?>
 <i>
@@ -155,4 +158,6 @@ curl -G 'http://api.bilibili.com/x/v2/dm/history'\
     <d p="723.34800,1,25,16777215,1579622239,0,844fa9e7,27532609919123458">刘培强还行</d>
     …………
 <i>
-```
+```
+
+</details>