diff --git a/notes/Java 并发.md b/notes/Java 并发.md
index 30079b7a..147dc353 100644
--- a/notes/Java 并发.md	
+++ b/notes/Java 并发.md	
@@ -573,7 +573,7 @@ public static void main(String[] args) {
 }
 ```
 
-```
+```text
 A
 B
 ```