Update download page(#404)

diff --git a/docs/download/download.md b/docs/download/download.md
index 27a2190..c47e82d 100644
--- a/docs/download/download.md
+++ b/docs/download/download.md
@@ -3,11 +3,11 @@
 

 Weex Release is all about source code, not binary, ref [ASF policy on software release](http://www.apache.org/legal/release-policy.html#compiled-packages).

 

-:::WARNING

+::: warning

 Every Weex Release includes source together with corresponding cryptographic signatures and checksums. You should always verify the file downloaded file from mirror with checksum and signature using the [procedures](https://www.apache.org/dyn/closer.cgi#verify) and [KEYS](https://dist.apache.org/repos/dist/dev/incubator/weex/KEYS).

 :::

 

-:::TIP

+::: tip

 Weex provides binary files in every release only for users' convenience. Binary files are never part of any release.

 :::

 

diff --git a/docs/zh/download/download.md b/docs/zh/download/download.md
index fd51836..acdfc3f 100644
--- a/docs/zh/download/download.md
+++ b/docs/zh/download/download.md
@@ -3,11 +3,11 @@
 
 根据[ASF policy on software release](http://www.apache.org/legal/release-policy.html#compiled-packages),Weex Release 包含且只包含源代码。
 
-:::WARNING
+::: warning
 每一个Weex Release 中均包含源代码及对应的签名和哈希校验。在 Apache 镜像网站下载 Weex Release 后,你应该使用签名文件和哈希值验证你的下载。你可以根据[校验流程](https://www.apache.org/dyn/closer.cgi#verify) 文档和[密钥文件](https://dist.apache.org/repos/dist/dev/incubator/weex/KEYS) 来验证下载。
 :::
 
-:::TIP
+::: tip
 出于方便开发者的考虑,Weex提供二进制产物(*JCenter 与Cocoapods*),但二进制产物不是 Weex Release 的一部分。
 :::