说明
成功返回：
{
"rsp":"succ",
"data":{
"amount_1":300,
"deposit":200,
"amount_2":100,
"lock":0}
}
amount_1 : 账户可用金额
deposit : 预存款账户金额
amount_2 : 消费账户金额
lock : 冻结账户金额
amount_1 = deposit + amount_2 - lock
失败返回：
{
"rsp":"fail",
"error_code":"4001",
"msg":"缺失必要参数XX"
}