HTML 5 datepicker显示日期前一天，以角度发送数据ajax

I am using html5 datepicker, I am sending that value via ajax using angular mysql. I have form date, in that sending wrong if i choose 12/01, mydata saving in mysql database like 11/01/. I dont know how to solve this. I have attached my code below, thanks in advance.I am using html5 datepicker, I am sending that