diff --git a/help/_posts/1970-01-01-epel.md b/help/_posts/1970-01-01-epel.md
index fd535b9..f6786cd 100644
--- a/help/_posts/1970-01-01-epel.md
+++ b/help/_posts/1970-01-01-epel.md
@@ -31,7 +31,7 @@ sed -e 's!^metalink=!#metalink=!g' \
     -e 's!//download\.fedoraproject\.org/pub!//{{ site.hostname }}!g' \
     -e 's!//download\.example/pub!//{{ site.hostname }}!g' \
     -e 's!http://mirrors!https://mirrors!g' \
-    -i /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel-testing.repo
+    -i /etc/yum.repos.d/epel*.repo
 ```
 
 修改结果如下：（仅供参考，不同版本可能不同）