message: fix(Checkbox): dynamic bind group
diff: @@ -30,6 +30,14 @@ export function ChildrenMixin(parent, options = {}) {
  },
  },
  + watch: {
  + disableBindRelation(val) {
  + if (!val) {
  + this.bindRelation();
  + }
  + },
  + },
  +
  mounted() {
  this.bindRelation();
  },
  