diff --git a/faster_install/for_1.7x.0.0/README_EN.md b/faster_install/for_1.7x.0.0/README_EN.md
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--- a/faster_install/for_1.7x.0.0/README_EN.md
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@@ -1,3 +1,5 @@
+EN|[中文](README.md)
+
 # fast-install for the Ubuntu 18.04 Development Environment
 
 #### Introduction