diff --git a/src/styles/index.scss b/src/styles/index.scss
index c919a48..42635c1 100644
--- a/src/styles/index.scss
+++ b/src/styles/index.scss
@@ -69,3 +69,23 @@ div:focus {
   font-weight: 400;
   color: #000000;
 }
+
+
+/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
+::-webkit-scrollbar {
+  width: 6px;
+  /*滚动条宽度*/
+  height: 12px;
+  /*滚动条高度*/
+  background-color: white;
+}
+
+/*定义滑块 内阴影+圆角*/
+::-webkit-scrollbar-thumb {
+  box-shadow: inset 0 0 0px white;
+  -webkit-box-shadow: inset 0 0 0px white;
+  background-color: rgb(193, 193, 193);
+  /*滚动条的背景颜色*/
+  border-radius: 20px;
+}
+