style: prettify code

Author: yanglbme

README.md

@@ -28,7 +28,7 @@ See the [中文文档](README_CN.md) for Chinese README.
 Doocs now has the following hot projects:
 
 | #   | Project                                                           | Description                                                                                                                                                          | Popularity                                                                                                                      |
-| --- | ----------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- |
+| --- | ----------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------- |
 | 1   | [advanced-java](https://github.com/doocs/advanced-java)           | The advanced knowledge of Java developer, covering high concurrency, distributed systems, high availability, microservice, massive data processing, etc.             | ![](https://badgen.net/github/stars/doocs/advanced-java) <br>![](https://badgen.net/github/forks/doocs/advanced-java)           |
 | 2   | [leetcode](https://github.com/doocs/leetcode)                     | LeetCode solutions in any programming language.                                                                                                                      | ![](https://badgen.net/github/stars/doocs/leetcode) <br>![](https://badgen.net/github/forks/doocs/leetcode)                     |
 | 3   | [source-code-hunter](https://github.com/doocs/source-code-hunter) | Source code analysis of frameworks and components.                                                                                                                   | ![](https://badgen.net/github/stars/doocs/source-code-hunter) <br>![](https://badgen.net/github/forks/doocs/source-code-hunter) | ![](https://badgen.net/github/stars/doocs/coding-interview) <br>![](https://badgen.net/github/forks/doocs/source-code-hunter) |