update 更新 readme 说明

疯狂的狮子li

2023-03-15 bde53535478e6fcea3771c00d64aa5f6d12d8170

 ruoyi-common/ruoyi-common-log/src/main/java/com/ruoyi/common/log/event/OperLogEvent.java

@@ -108,4 +108,8 @@
     */
    private Date operTime;

    /**
     * 消耗时间
     */
    private Long costTime;
}