diff --git a/assets/css/style.scss b/assets/css/style.scss
index 1db0615..53d782b 100644
--- a/assets/css/style.scss
+++ b/assets/css/style.scss
@@ -17,6 +17,6 @@
     left: 0;
     background: url("../../figs/background.jpg") no-repeat center center;
     background-size: cover;
-    opacity: 0.5;  // 设置透明度为 50%
+    opacity: 0.5;
     z-index: -1;
   }
\ No newline at end of file