diff --git a/site/src/site/sphinx/advanced-use.md b/site/src/site/sphinx/advanced-use.md
index 2923d544f..ec289ac31 100644
--- a/site/src/site/sphinx/advanced-use.md
+++ b/site/src/site/sphinx/advanced-use.md
@@ -6,7 +6,7 @@
 
 * help——查看命令帮助信息
 * [cat](cat.md)——打印文件内容，和linux里的cat命令类似
-* [grep]](grep.md)——匹配查找，和linux里的grep命令类似
+* [grep](grep.md)——匹配查找，和linux里的grep命令类似
 * [pwd](pwd.md)——返回当前的工作目录，和linux命令类似
 * cls——清空当前屏幕区域
 * session——查看当前会话的信息
diff --git a/site/src/site/sphinx/en/advanced-use.md b/site/src/site/sphinx/en/advanced-use.md
index 3fa729adf..8cedf89ec 100644
--- a/site/src/site/sphinx/en/advanced-use.md
+++ b/site/src/site/sphinx/en/advanced-use.md
@@ -6,7 +6,7 @@ Advanced Usage
 * help - display Arthas help
 * cls - clear the screen
 * [cat](cat.md) - Concatenate and print files
-* [grep]](grep.md) - Pattern searcher
+* [grep](grep.md) - Pattern searcher
 * [pwd](pwd.md) - Return working directory name
 * session - display current session information
 * [reset](reset.md) - reset all the enhanced classes. All enhanced classes will also be reset when Arthas server is closed by `stop/shutdown`
diff --git a/site/src/site/sphinx/en/grep.md b/site/src/site/sphinx/en/grep.md
index f2b6994a2..a860ce5e9 100644
--- a/site/src/site/sphinx/en/grep.md
+++ b/site/src/site/sphinx/en/grep.md
@@ -1,4 +1,4 @@
-Grep
+grep
 ===
 
 > Similar to the traditional `grep` command.
diff --git a/site/src/site/sphinx/grep.md b/site/src/site/sphinx/grep.md
index 6e709d10b..b567ffa6b 100644
--- a/site/src/site/sphinx/grep.md
+++ b/site/src/site/sphinx/grep.md
@@ -1,4 +1,4 @@
-Grep
+grep
 ===
 
 > 类似传统的`grep`命令。