update docs

Author: kevwan

readme-cn.md

@@ -12,7 +12,7 @@
 
 `stream` 其实是 [go-zero](https://github.com/zeromicro/go-zero) 的一部分，但是一些用户问我是不是可以单独使用 `stream` 而不用引入 `go-zero` 的依赖，所以我考虑再三，还是单独提供一个吧。但是，我强烈推荐你使用 `go-zero`，因为 `go-zero` 真的提供了很多很好的功能。
 
-![](https://oscimg.oschina.net/oscnet/up-486a677bcbe9181561d1ab6756fd05b1c9e.png)
+<img src="https://oscimg.oschina.net/oscnet/up-486a677bcbe9181561d1ab6756fd05b1c9e.png" width="700">
 
 ## 什么是流处理
 
@@ -96,7 +96,7 @@ Concat(streams ...Stream) Stream
 
 加工阶段的处理逻辑都会返回一个新的 Stream 对象，这里有个基本的实现范式
 
-![](https://oscimg.oschina.net/oscnet/up-96d31b1c7e14d75d8a7a25a98de676ae085.png)
+<img src="https://oscimg.oschina.net/oscnet/up-96d31b1c7e14d75d8a7a25a98de676ae085.png" width="700">
 
 #### 汇总阶段
 

readme.md

@@ -14,7 +14,7 @@ English | [简体中文](readme-cn.md)
 
 `mapreduce` is part of [go-zero](https://github.com/zeromicro/go-zero), but a few people asked if mapreduce can be used separately. But I recommend you to use `go-zero` for many more features.
 
-![](https://files.mdnice.com/user/3840/51fe00fe-050f-4415-b8b3-e487e8577fb8.png)
+<img src="https://files.mdnice.com/user/3840/51fe00fe-050f-4415-b8b3-e487e8577fb8.png" width="700">
 
 ## What is Stream Processing
 
@@ -98,7 +98,7 @@ Concat(streams ... . Stream) Stream
 
 The processing logic of the processing phase returns a new Stream object, and there is a basic implementation paradigm here.
 
-![](https://oscimg.oschina.net/oscnet/up-69691aa56051a4df1bd0a2a23d8795f7d92.png)
+<img src="https://oscimg.oschina.net/oscnet/up-69691aa56051a4df1bd0a2a23d8795f7d92.png" width="700">
 
 #### Aggregation stage