更新！

OneCardIotServer/src/main/java/com/zhongshu/iot/server/core/service/mqtt/ServerTimeService.java

@@ -23,6 +23,12 @@ import java.util.Map;
 @ExecuteAnnotationService
 public class ServerTimeService extends SuperService {
 
+    /**
+     * 云版消费机的使用 （获取系统时间）
+     *
+     * @param str
+     * @return
+     */
     @ExecuteAnnotationServiceMethod(value = "ServerTime", remark = "服务器时间")
     public ResultContent ServerTime(String str) {
         var nowTime = new Date(System.currentTimeMillis());