update

dist/bundle.js

@@ -37303,7 +37303,7 @@ BI.ButtonTree = BI.inherit(BI.ButtonGroup, {
         var v = [];
         BI.each(this.buttons, function (i, item) {
             if (item.isEnabled() && !BI.isFunction(item.setSelected)) {
-                v = BI.union(v, item.getValue());
+                v = BI.concat(v, item.getValue());
                 return;
             }
             if (item.isEnabled() && item.isSelected && item.isSelected()) {

dist/fineui.js

@@ -37552,7 +37552,7 @@ BI.ButtonTree = BI.inherit(BI.ButtonGroup, {
         var v = [];
         BI.each(this.buttons, function (i, item) {
             if (item.isEnabled() && !BI.isFunction(item.setSelected)) {
-                v = BI.union(v, item.getValue());
+                v = BI.concat(v, item.getValue());
                 return;
             }
             if (item.isEnabled() && item.isSelected && item.isSelected()) {

src/less/lib/colors.less

@@ -106,8 +106,8 @@
 @color-bi-blue-60: fade(@font-color-highlight, 60);
 @color-bi-blue-40: fade(@font-color-highlight, 40);
 @color-bi-blue-30: fade(@font-color-highlight, 30);
-@color-bi-blue-20: fade(@font-color-highlight, 20);
-@color-bi-blue-10: fade(@font-color-highlight, 10);
+@color-bi-blue-20: @background-color-medium-highlight;
+@color-bi-blue-10: @background-color-light-highlight;
 @color-bi-blue-5: fade(@font-color-highlight, 5);
 
 //light-blue

src/less/lib/constant.less

@@ -36,6 +36,7 @@
 @font-color-white: #ffffff;//
 @font-color-white-theme-dark: #242640;//
 @font-color-light-highlight: #eaf2fd;
+@font-color-medium-highlight: #d7e7fc;
 @font-color-highlight: #3685f2;
 @font-color-blue: #23beef;
 @font-color-light-blue: #e9f8fd;
@@ -51,6 +52,7 @@
 @background-color-normal: #f7f8fa;//
 @background-color-normal-theme-dark: #191B2B;//
 @background-color-light-highlight: #eaf2fd;
+@background-color-medium-highlight: #d7e7fc;
 @background-color-highlight: #3685f2;
 @background-color-blue: #23beef;
 @background-color-light-blue: #e9f8fd;