add getDayHighAndLow interface

Helius

2020-05-31 fe491a4f845bc865b63f73b04ba958bc2d4e12a1

 src/main/java/com/xcong/excoin/common/system/service/CommonService.java

@@ -8,4 +8,5 @@

    public boolean verifyCode(String account, String code);

    public String generateOrderNo(Long mid);
}