diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/fwd/ForwardGnssTask.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/fwd/ForwardGnssTask.java
index 3a0e496f..c765cd2c 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/fwd/ForwardGnssTask.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/fwd/ForwardGnssTask.java
@@ -45,9 +45,18 @@ public class ForwardGnssTask {
      */
     @Scheduled(cron = "0 0/30 * * * ?") // 每30分钟执行一次
     private void forwardGnss() {
+        // 1.按项目检索最近半小时的解算结果记录，推送Enable为true的记录
+        // 2.如果某终端最近半小时没有数据，则记录本次时间为待补传时间
         forwardGnssToXFZ(1);
     }
 
+    @Scheduled(cron = "0 0/30 * * * ?") // 每30分钟执行一次
+    private void forwardHistoryGnss() {
+        // 1.从转发记录表里检索待补传记录时间表，含设备Id，时间段
+        // 2.检索这个这个时间段的解算结果，如果有数据则单个终端转发，标志记录为已补传
+        //forwardGnssToXFZ(1);
+    }
+
     private void forwardGnssToXFZ(int tenantId) {
         LocalDateTime nowTime = LocalDateTime.now();
         ConcurrentHashMap<String, List<GnssCalcData>> projects = new ConcurrentHashMap<>();
@@ -69,6 +78,7 @@ public class ForwardGnssTask {
             QueryWrapper<GnssCalcData> gnssQueryWrapper = new QueryWrapper<>();
             gnssQueryWrapper.eq("deviceid",device.getDeviceid());
             gnssQueryWrapper.orderByDesc("createtime");
+            gnssQueryWrapper.last("limit 1");
             GnssCalcData record = gnssDataMapper.selectOne(gnssQueryWrapper);
             if(record != null && record.getEnabled()){
                 if(nowTime.isBefore(record.getCreatetime().plusMinutes(40))) {