add trader closing order

Helius

2020-08-04 ea8eb9c441bb4452d153579b456467b2f5e958e4

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

@@ -74,4 +74,6 @@
     */
    public static final String UPLOAD_IMAGE_SUFFIX = ".jpg";

    public static final String TIME_OUT = "time_out";

}