diff --git a/src/assets/css/global.less b/src/assets/css/global.less
index f252dfa..65331cf 100644
--- a/src/assets/css/global.less
+++ b/src/assets/css/global.less
@@ -13,10 +13,10 @@
 
 ::-webkit-scrollbar-thumb {
     border-radius: 1rem;
-    background-color: #EEE;
+    background-color: #DDD;
 
     &:hover {
-        background-color: @colorPrimary;
+        background-color: #BBB;
     }
 }
 
@@ -78,7 +78,7 @@ body {
 }
 
 .shadow-3 {
-    box-shadow: 0 .5rem 1rem -0.4rem rgba(0, 0, 0, .12);
+    box-shadow: 0 .5rem 1rem -.4rem rgba(0, 0, 0, .12);
 }
 
 // 载入中（链接列表）
diff --git a/src/assets/css/variable.less b/src/assets/css/variable.less
index 0a58948..7d1084e 100644
--- a/src/assets/css/variable.less
+++ b/src/assets/css/variable.less
@@ -4,6 +4,7 @@
 
 @colorPrimary: #2196F3;
 @colorSecondary: #67C23A;
+@colorGrey: #9E9E9E;
 @colorWhite: #F9F9F9;
 
 @transitionTime: .25s;