add hold order follow order

Helius

2020-08-03 234458c4252ffd10930913e07e91641b0757ff8a

 src/main/java/com/xcong/excoin/modules/coin/service/BlockCoinService.java

@@ -10,4 +10,8 @@

    public void updateBtc();

    public void updateEos();

    public void updateXrp();

}