diff --git "a/notes/Java \345\271\266\345\217\221.md" "b/notes/Java \345\271\266\345\217\221.md"
index a94847d56df77763487dc6ec3a1eafdb5be4d31b..cb0119507447ec965129924567861d915db24336 100644
--- "a/notes/Java \345\271\266\345\217\221.md"	
+++ "b/notes/Java \345\271\266\345\217\221.md"	
@@ -613,7 +613,6 @@ public static void main(String[] args) {
     WaitNotifyExample example = new WaitNotifyExample();
     executorService.execute(() -> example.after());
     executorService.execute(() -> example.before());
-    executorService.shutdown();
 }
 ```