账单相关服务找到 6 个接口
计算用户所有未支付账单总额
sumUserUnpaidBills
POST
/UserBillService/sumUserUnpaidBills原始定义
rpc sumUserUnpaidBills(SumUserUnpaidBillsRequest) returns (SumUserUnpaidBillsResponse);sumUserUnpaidBills
/UserBillService/sumUserUnpaidBillsrpc sumUserUnpaidBills(SumUserUnpaidBillsRequest) returns (SumUserUnpaidBillsResponse);