feat:调色板默认色

frontend/src/styles/index.scss

@@ -692,4 +692,10 @@ div:focus {
   padding-left: 0!important;
 }
 
+.el-color-predefine__color-selector{
+  border: 1px solid #999999!important;
+  margin: 0 0 6px 6px!important;
+}
+
+