diff --git a/public/css/theme-fukasawa.css b/public/css/theme-fukasawa.css
index 5a62c5d9..da2d7831 100644
--- a/public/css/theme-fukasawa.css
+++ b/public/css/theme-fukasawa.css
@@ -4,6 +4,10 @@
     margin-bottom: .5rem;
   }
   
+#theme-fukasawa .sideLeft hr{
+    opacity: .04;
+}
+  
   /* 大屏幕（宽度≥1024px）下显示3列 */
   @media (min-width: 1024px) {
     #theme-fukasawa .grid-container {