Pull request #3502: 无JIRA fix: button_group选中问题

Merge in VISUAL/fineui from ~DAILER/fineui:es6 to es6

* commit '791b2858c0236fcaa868dbeeecaa42dc83400062':
  update
  无JIRA fix: button_group选中问题

.gitignore

@@ -2,4 +2,5 @@ node_modules
 packages/demo/dist
 packages/fineui/dist/*
 !packages/fineui/dist/font
-!packages/fineui/dist/images
+!packages/fineui/dist/images
+.idea/

packages/fineui/src/base/combination/group.button.js

@@ -42,7 +42,7 @@ export class ButtonGroup extends Widget {
     static xtype = "bi.button_group";
 
     static EVENT_CHANGE = "EVENT_CHANGE";
-    
+
     static CHOOSE_TYPE_SINGLE = Selection.Single;
     static CHOOSE_TYPE_MULTI = Selection.Multi;
     static CHOOSE_TYPE_ALL = Selection.All;
@@ -86,8 +86,8 @@ export class ButtonGroup extends Widget {
                 this.setValue(newValue);
             })
             : value;
-        if (isKey(value) || isNotEmptyArray(value)) {
-            this.setValue(value);
+        if (isKey(this.options.value) || isNotEmptyArray(this.options.value)) {
+            this.setValue(this.options.value);
         }
     }