diff --git a/docs/tutorial-extras/2-hinasTeach.md b/docs/tutorial-extras/2-hinasTeach.md
index 91af65d..acfa47c 100644
--- a/docs/tutorial-extras/2-hinasTeach.md
+++ b/docs/tutorial-extras/2-hinasTeach.md
@@ -6,4 +6,5 @@ sidebar_position: 2
 
 ## 1、vi/vim 的使用
 
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