add return

service/stat_service/rasp_miner_stat.go

@@ -21,7 +21,7 @@ func (s *RaspMinerStat) SetMineTime(addr string,flag string) error {
 	if err != nil {
 		return err
 	}
-	m := map[string]interface{}{"miner_start_time":0,"miner_end_time":0}
+	m := map[string]interface{}{}
 	if flag == "start" {
 		m["miner_start_time"] = time.Now().Unix()
 	}