protected synchronized void update(final String md5, final long lastModifyTime) {
        this.md5 = md5;
        this.lastModifyTime = lastModifyTime;
    }
Update.

@param md5            the md 5
@param lastModifyTime the last modify time
shenyu-admin/src/main/java/org/apache/shenyu/admin/listener/ConfigDataCache.java