Merge pull request #19 from dysf888/patch-3

Update notifications.md

docs/guide/notifications.md

@@ -13,15 +13,15 @@ URL 里面也可放置占位符，请求时会进行简单的字符串替换。
    - Bark 示例
 
      - 名称：Bark
-     - URL 组成: 第一个部分是 key , 之后有三个匹配 /:key/:body or /:key/:title/:body or /:key/:category/:title/:body 
+     - URL 组成: 第一个部分是 key,之后有三个匹配 /:key/:body or /:key/:title/:body or /:key/:category/:title/:body 
      - 请求方式: GET
      - 请求类型: 默认
      - Body: 空
      - 名称：Bark
      - URL 组成: /push
-     - 请求方式: post
+     - 请求方式: POST
      - 请求类型: form
-     - Body: {"title": "#SERVER.NAME#","device_key":"xxxxxxxxx","body":"#NEZHA#","icon":"https://xxxxxxxx/nz.png"}
+     - Body: `{"title": "#SERVER.NAME#","device_key":"xxxxxxxxx","body":"#NEZHA#","icon":"https://xxxxxxxx/nz.png"}`
 
    - server 酱示例