修改

src/styles/index.scss

@@ -329,4 +329,31 @@ aside {
 .el-tabs__nav-scroll{
   color:#FFF;
   background-color: #172434;
+}
+
+.el-select-dropdown__wrap,.el-cascader-menu__wrap{
+  color:#FFF !important;
+  background-color: #172434 !important;
+}
+
+.el-select-dropdown__item,.el-cascader-node{
+  color:#FFF;
+}
+.el-select-dropdown__item.hover, .el-cascader-node:hover{
+  background-color:#486288 !important;
+}
+.el-range-input{
+  color:#FFF !important;
+}
+.el-picker-panel,.el-picker-panel__sidebar,.el-picker-panel__footer{
+  color:#FFF !important;
+  background-color: #172434 !important;
+}
+.el-date-table td.in-range div{
+  background-color:#486288 !important;
+}
+.el-button--default{
+  color:#FFF;
+  background:#5c90d2;
+  border:0px;
 }