diff --git a/sec-beidou/src/main/java/com/imdroid/beidou/task/DeviceStatusChecker.java b/sec-beidou/src/main/java/com/imdroid/beidou/task/DeviceStatusChecker.java
index 6d2a639d..6cfb31db 100644
--- a/sec-beidou/src/main/java/com/imdroid/beidou/task/DeviceStatusChecker.java
+++ b/sec-beidou/src/main/java/com/imdroid/beidou/task/DeviceStatusChecker.java
@@ -105,7 +105,7 @@ public class DeviceStatusChecker {
         List<String> deviceIds = new ArrayList<>();
         QueryWrapper<GnssDevice> deviceQueryWrapper = new QueryWrapper<>();
         deviceQueryWrapper.eq("devicetype", GnssDevice.TYPE_REFERENCE_STATION);
-        deviceQueryWrapper.eq("opmode", GnssDevice.OP_MODE_USE);
+        deviceQueryWrapper.ne("opmode", GnssDevice.OP_MODE_UNUSE);
         List<GnssDevice> bsList = deviceMapper.selectList(deviceQueryWrapper);
         for(GnssDevice bs:bsList){
             GnssStatus status = gnssStatusMapper.getByDeviceId(bs.getDeviceid());