diff --git a/notes/代码可读性.md b/notes/代码可读性.md
index 01550875..ab41849d 100644
--- a/notes/代码可读性.md
+++ b/notes/代码可读性.md
@@ -166,7 +166,7 @@ if(!a && !b) {
 }
 ```
 ```
-if(a || b) {
+if(!(a || b)) {
     ...
 }
 ```