Merge branch 'activity' of http://120.27.238.55:7000/r/exchange into activity

xiaoyong931011

2021-03-30 0854f968f2b696ea4c39ef175b083c0a55116418

 src/main/java/com/xcong/excoin/common/system/base/BaseEntity.java

@@ -28,4 +28,6 @@

    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
    private Date updateTime;

    private Integer version;
}