fix fetch api styling (#505)

Change-Id: Ib963fb859bc218055f17eff78dc2b744527772c0

Author: loongliu

docs/en/api/lynx-api/global/fetch.mdx

@@ -34,17 +34,13 @@ console.log(await response.json());
 
 ## Compatibility
 
-:::Caution Differences from Web
 
-- Client environment are different from Web, Lynx does not support Web-only features like: [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS)、redirect、keepalive related APIs
+:::info 
 
-- Streaming/FormData/Blob related APIs are not supported
+- Client environment are different from Web, Lynx does not support Web-only features like: [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS)、redirect、keepalive related APIs. FormData/Blob related APIs are not supported.
 
-:::
-
-:::Warning Web Platform Compatibility
+- Web Platform supports Fetch API using Browser's Fetch implementation, it follows the same rules as the web.
 
-Web Platform supports Fetch API using Browser's Fetch implementation, it follows the same rules as the web.
 
 :::
 

docs/zh/api/lynx-api/global/fetch.mdx

@@ -34,19 +34,14 @@ console.log(await response.json());
 
 ## 兼容性
 
-:::Caution 与 Web 的区别
+:::info 
 
-- 客户端环境与 Web 略有不同，不支持只在 Web 场景下存在的 [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS)、redirect、keepalive 相关 API
+- 客户端环境与 Web 略有不同，不支持只在 Web 场景下存在的 [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS)、redirect、keepalive 相关 API。FormData/Blob 相关 API 暂不支持
 
-- Streaming/FormData/Blob 相关 API 暂不支持
+- Web Platform 中的 Fetch API 基于浏览器原生 Fetch 实现，兼容性与浏览器一致
 
 :::
 
-:::Warning Web Platform 兼容性
-
-Web Platform 中的 Fetch API 基于浏览器原生 Fetch 实现，兼容性与浏览器一致
-
-:::
 
 import { APITable } from '@lynx';