{"errcode":40054,"errmsg":"invalid sub button url domain hint: [WWA480339vr20]的解决办法

ViewButton button21 = new ViewButton(); button21.setName("view菜单1"); button21.setType("view"); button21.setUrl("www.imooc.com"); //是因为没有加上http协议，因此只要加上就能够了改为：button21.setUrl("http://www.imooc.com"); V

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