diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GZYMQTTForwarder.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GZYMQTTForwarder.java
index f461e61f..6479c420 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GZYMQTTForwarder.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GZYMQTTForwarder.java
@@ -107,9 +107,12 @@ public class GZYMQTTForwarder extends Forwarder {
             GZYMQTTAngle tranData = new GZYMQTTAngle();
             tranData.setDeviceSn(msg.getDeviceid());
             tranData.setCollectTime(msg.getCreatetime().format(formatter));
-            tranData.setAngleX(msg.getRoll());
-            tranData.setAngleY(msg.getPitch());
-            tranData.setAngleAz(msg.getYaw());
+            float x = msg.getRoll()==null?0:msg.getRoll();
+            float y = msg.getPitch()==null?0:msg.getPitch();
+            float az = msg.getYaw()==null?0:msg.getYaw();
+            tranData.setAngleX(NumberUtils.scale((double) x,2));
+            tranData.setAngleY(NumberUtils.scale((double) y,2));
+            tranData.setAngleAz(NumberUtils.scale((double) az,2));
 
             String json = GsonUtil.toJson(tranData);
             logger.info("forward to GZY mqtt angles: {}",json);