无JIRA fix: 修复attributes覆盖问题

_initProps   this.options = extend(this._defaultConfig(config), props, config); 是浅extend

src/base/single/iframe/iframe.js

@@ -20,10 +20,12 @@ BI.Iframe = BI.inherit(BI.Single, {
 
     _init: function () {
         var self = this, o = this.options;
-        o.attributes.frameborder = "0";
-        o.attributes.src = o.src;
-        o.attributes.name = o.name;
         BI.Iframe.superclass._init.apply(this, arguments);
+        this.element.attr(BI.extend({
+            frameborder: 0,
+            src: o.src,
+            name: o.name
+        }, o.attributes));
         this.element.on("load", function () {
             self.fireEvent("EVENT_LOADED");
         });

src/base/single/img/img.js

@@ -13,12 +13,17 @@ BI.Img = BI.inherit(BI.Single, {
             tagName: "img",
             baseCls: (conf.baseCls || "") + " bi-img display-block",
             src: "",
-            attributes: config.src ? {src: config.src} : {},
+            attributes: config.src ? { src: config.src } : {},
             width: "100%",
             height: "100%"
         });
     },
 
+    _init: function () {
+        BI.Img.superclass._init.apply(this, arguments);
+        this.setSrc(this.options.src);
+    },
+
     setSrc: function (src) {
         this.options.src = src;
         this.element.attr("src", src);