Update README.md

wy131246 · Jul 24, 2019 · d941440 · d941440
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Showing 1 changed file with 2 additions and 2 deletions.
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   - [02.1 本章概述](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.1.md)
   - [02.2 编译器](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.2.md)
   - [02.3 垃圾回收](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.3.md)
-    - 02.3.1 三色算法](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.3.1.md)
-  - [02.5 C中调用Go函数](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.5.md)
+    - [02.3.1 三色算法](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.3.1.md)
+  - [02.4 C中调用Go函数](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.5.md)
     - [02.5.1 Go Package](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.5.1.md)
     - [02.5.2 C代码](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.5.2.md)
   - [02.6 defer关键字](https://github.com/hantmac/Mastering_Go_ZH_CN/blob/master/eBook/chapter2/02.6.md)