Update README.md

README.md

@@ -101,7 +101,7 @@ PS: 想探讨TensorFlow技术的可以加"TensorFlow技术交流群"：495115006
   - [添加新的Op](SOURCE/how_tos/adding_an_op.md) 翻译：（[@PFZheng](https://github.com/PFZheng)）
   - [自定义数据读取](SOURCE/how_tos/new_data_formats.md) 翻译：([@derekshang](https://github.com/derekshang))√
   - [使用gpu](SOURCE/how_tos/using_gpu.md)翻译：([@lianghyv](https://github.com/lianghyv))√ 
-  - [共享变量](SOURCE/how_tos/variable_scope.md) 翻译：([@nb312](https://github.com/nb312))
+  - [共享变量](SOURCE/how_tos/variable_scope.md) 翻译：([@nb312](https://github.com/nb312))√
 - 资源
   - [总览](SOURCE/resources/overview.md) 翻译：([@Jim-Zenn](https://github.com/Jim-Zenn))√
   - [BibTex 引用](SOURCE/resources/bib.md) 翻译：([@Jim-Zenn](https://github.com/Jim-Zenn))√