增加调用前台接口间隔时间

@@ -99,7 +99,7 @@ public class GrassUserVirtualImpl implements IGrassVirtualService{
                                 List<GrassInBoxAddReq> reqlist = Lists.newArrayList(l);
                                 sendMessage(reqlist);
                                 try {
-                                    Thread.sleep(1000);
+                                    Thread.sleep(3000);
                                 } catch (InterruptedException e) {
                                     e.printStackTrace();
                                 }