站内信每批次数量可配

@@ -89,11 +89,12 @@ public class GrassUserVirtualImpl implements IGrassVirtualService{
 
                     //没有标记位，直接处理
                     if(sendTime == null){
+                        int batchSize = configReader.getInt("platform.grass.autoPraiseMessage.batchSize" , 500);
                         platformRedis.setValue(MESSAGE_SENDING_FLAG, DateUtil.getCurrentTimeSeconds(), 600);
                         List<GrassInBoxAddReq> l = new ArrayList<>();
                         for (GrassInBoxAddReq message : messageList) {
                             l.add(message);
-                            if (l.size() % 1000 == 0) {
+                            if (l.size() % batchSize == 0) {
                                 sendMessage(l);
                                 l.clear();
                                 try {