modify symbol to ser

Helius

2020-11-30 b7ca89cb568e9fb351bdff781e48830d64095779

 src/main/java/com/xcong/excoin/common/contants/AppContants.java

@@ -76,4 +76,9 @@

    public static final String TIME_OUT = "time_out";

    /**
     *  取消订单id
     */
    public static final String ORDER_CANCEL_KEY = "COIN_ORDER_CANCEL_";

}