diff --git a/README_CN.md b/README_CN.md
index 6bee540a..f71cd705 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -246,7 +246,7 @@ counts, err := engine.Count(&user)
 ```Go
 err := engine.Where(builder.NotIn("a", 1, 2).And(builder.In("b", "c", "d", "e"))).Find(&users)
 // SELECT id, name ... FROM user WHERE a NOT IN (?, ?) AND b IN (?, ?, ?)
-``
+```
 
 # 案例