补充登录IM的方法

js/api-service.js

@@ -236,6 +236,9 @@
        imHttpGet: imHttpGet,
        imHttpPost: imHttpPost,
        getImgUrl: getImgUrl,
        loginIm: function(data){
            return imHttpPost('/users/login', data);
        },
        getDoctorInfo: function() {
            return httpGet('doctor/baseinfo');
        },