diff --git a/src/data/extra/themes/vue-light/web.css b/src/data/extra/themes/vue-light/web.css
index f5ff4aa0..c13afae5 100644
--- a/src/data/extra/themes/vue-light/web.css
+++ b/src/data/extra/themes/vue-light/web.css
@@ -422,4 +422,10 @@ h1 .vx-header-anchor{margin-top: -5px;}
 h2 .vx-header-anchor{margin-top: -4px;}
 h3 .vx-header-anchor{margin-top: -3px;}
 h4 .vx-header-anchor{margin-top: -2px;}
-h5 .vx-header-anchor{margin-top: -1px;}
\ No newline at end of file
+h5 .vx-header-anchor{margin-top: -1px;}
+
+/* 优化嵌套代码块样式 */
+.vx-alert .code-toolbar pre[class*="language-"]{
+    background-color: #f3f3f3 !important;
+    border: 1px dashed #eee;
+}
\ No newline at end of file