DEC-20930 fix: 【自动化】平台登录页的品牌信息不可见

bi.a用render,父类的BI.Text render就失效了

src/base/single/a/a.js

@@ -18,8 +18,9 @@ BI.A = BI.inherit(BI.Text, {
         });
     },
 
-    render: function () {
+    _init: function () {
         var o = this.options;
+        BI.A.superclass._init.apply(this, arguments);
         this.element.attr({href: o.href, target: o.target});
         if (o.el) {
             BI.createWidget(o.el, {