diff --git a/glue-modbus-collector/src/main/java/com/xujie/devicecollector/dao/DeviceGatherDao.java b/glue-modbus-collector/src/main/java/com/xujie/devicecollector/dao/DeviceGatherDao.java
index 0db9c71..29c42ed 100644
--- a/glue-modbus-collector/src/main/java/com/xujie/devicecollector/dao/DeviceGatherDao.java
+++ b/glue-modbus-collector/src/main/java/com/xujie/devicecollector/dao/DeviceGatherDao.java
@@ -53,13 +53,13 @@ public interface DeviceGatherDao extends BaseMapper<DeviceGather> {
     /**
      * 查询卷号是否已存在
      */
-    @Select("select count(1) from device_gather where roll_no = #{rollNo}")
-    int countByRollNo(@Param("rollNo") String rollNo);
+    @Select("select count(1) from device_gather where roll_no = #{rollNo}  and seq_no = #{seqNo}")
+    int countByRollNo(@Param("rollNo") String rollNo, @Param("seqNo") String seqNo);
 
     /**
      * 查询是否存在active为N的数据
      */
-    @Select("select count(1) from device_gather where active = 'N' and status='扫描卷'")
-    int countActiveN();
+    @Select("select count(1) from device_gather where active = 'N' and status='扫描卷'and seq_no = #{seqNo}")
+    int countActiveN(@Param("seqNo") String seqNo);
 }
 
diff --git a/glue-modbus-collector/src/main/java/com/xujie/devicecollector/runner/DeviceRunner.java b/glue-modbus-collector/src/main/java/com/xujie/devicecollector/runner/DeviceRunner.java
index 9852474..91586ad 100644
--- a/glue-modbus-collector/src/main/java/com/xujie/devicecollector/runner/DeviceRunner.java
+++ b/glue-modbus-collector/src/main/java/com/xujie/devicecollector/runner/DeviceRunner.java
@@ -147,7 +147,7 @@ public class DeviceRunner implements CommandLineRunner {
         // - 大卷B分切信号：0x502
         int cuta = 500;
         int cutb = 502;
-        int cutab = 508;
+        int cutab = 506;
         int bit1 = collectUtil.readHoldingRegister(ip, port, cuta);
         logger.info("卷A分切信号:{}", bit1);
         // 卷B分切信号
@@ -190,6 +190,7 @@ public class DeviceRunner implements CommandLineRunner {
                 String rollNo = (String) redisTemplate.opsForValue().get("device:" + ip);
                 // 触发分切,执行方法扫描卷处理
                 deviceGatherService.scanRollNo(deviceInfo, rollNo, nextRollNo);
+                collectUtil.writeHoldingRegister(ip, port, cutab, 0);
             }
         }
     }
diff --git a/glue-modbus-collector/src/main/java/com/xujie/devicecollector/service/impl/DeviceGatherServiceImpl.java b/glue-modbus-collector/src/main/java/com/xujie/devicecollector/service/impl/DeviceGatherServiceImpl.java
index 29dd107..e0c965b 100644
--- a/glue-modbus-collector/src/main/java/com/xujie/devicecollector/service/impl/DeviceGatherServiceImpl.java
+++ b/glue-modbus-collector/src/main/java/com/xujie/devicecollector/service/impl/DeviceGatherServiceImpl.java
@@ -90,8 +90,8 @@ public class DeviceGatherServiceImpl implements DeviceGatherService {
 
     private void handleData(String seqNo, String site, String rollNo, String ip) {
         boolean rollNoNotZero = !"0".equals(rollNo);
-        boolean rollNoNotExists = deviceGatherDao.countByRollNo(rollNo) == 0;
-        boolean noActiveN = deviceGatherDao.countActiveN() == 0;
+        boolean rollNoNotExists = deviceGatherDao.countByRollNo(rollNo,seqNo) == 0;
+        boolean noActiveN = deviceGatherDao.countActiveN(seqNo) == 0;
 
         if (rollNoNotExists && rollNoNotZero && noActiveN) {
             updateDeviceGather(ip, rollNo);