diff --git a/src/components/dashboard/cpu.less b/src/components/dashboard/cpu.less
index dc0994e..d20cc00 100644
--- a/src/components/dashboard/cpu.less
+++ b/src/components/dashboard/cpu.less
@@ -16,7 +16,7 @@
           width: 1px;
           height: 40px;
           position: absolute;
-          background:  @border-color-base;
+          background:  @border-color-split;
           top: 12px;
         }
       }