diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D331RtcmMessageExecutor.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D331RtcmMessageExecutor.java
index c3ec8d9b..bd067da9 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D331RtcmMessageExecutor.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D331RtcmMessageExecutor.java
@@ -59,9 +59,10 @@ public class D331RtcmMessageExecutor implements Executor<D331RtcmMessage, Void>
             DeviceChannel deviceChannel = null;
             for (Device device : deviceList) {
                 if (device.getOpMode() != GnssDevice.OP_MODE_USE) continue;
-                if (device.getGnssSampleRate()>1 && (deviceBs.getD3xxCount()%device.getGnssSampleRate()) != 0) {
+                if (device.getFixedNum()>0 && device.getGnssSampleRate()>1
+                        && (deviceBs.getD3xxCount()%device.getGnssSampleRate()) != 0) {
                     //if(!UBXUtil.has1005(forwardBytes)) continue; //1005必推
-                    if(device.getFixedNum()>0) continue;
+                    continue;
                 }
                 String deviceId = device.getDeviceId();
                 if(device.getDataChannelType() == Device.CHANNEL_TYPE_UDP) {