diff --git a/command/7z.md b/command/7z.md
index 5533b4328a..9833fcbe35 100644
--- a/command/7z.md
+++ b/command/7z.md
@@ -1,5 +1,5 @@
 7z
-==
+===
 
 拥有极高压缩比的开源压缩软件。
 
diff --git a/command/ab.md b/command/ab.md
index b69cf45292..1823c7c1d0 100644
--- a/command/ab.md
+++ b/command/ab.md
@@ -1,5 +1,5 @@
 ab
-==
+===
 
 Apache服务器的性能测试工具