style;头部颜色修改

@@ -112,8 +112,7 @@ export default {
   height: $headerHeight;
   overflow: hidden;
   position: relative;
-  background: #fff;
-  // background: linear-gradient(270deg, #148CEE 0%, #1870E3 100%); //默认颜色
+  background: linear-gradient(270deg, #148CEE 0%, #1870E3 100%); //默认颜色
   box-shadow: 0 1px 0px rgba(0, 21, 41, 0.08);
   display: flex;
   align-items: center;