diff --git a/index.html b/index.html
index 2fd221e2..0fc320a8 100644
--- a/index.html
+++ b/index.html
@@ -181,7 +181,7 @@
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-<span>RegEx</span></a><!--rehype:style=background: rgb(149 36 155/var(\-\-bg\-opacity));-->
+<span>RegEx 正则表达式</span></a><!--rehype:style=background: rgb(149 36 155/var(\-\-bg\-opacity));-->
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