diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/ZNYMQTTForwarder.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/ZNYMQTTForwarder.java
index cc0bc96b..b73d1189 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/ZNYMQTTForwarder.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/ZNYMQTTForwarder.java
@@ -18,6 +18,7 @@ import org.springframework.stereotype.Component;
 
 import javax.annotation.PostConstruct;
 import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.List;
 
 @Component
@@ -25,6 +26,8 @@ import java.util.List;
 @EnableScheduling
 public class ZNYMQTTForwarder extends Forwarder {
     static final String FORWARDER_NAME = "中南院MQTT";
+    final DateTimeFormatter formatterMs = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS");
+
     static byte[] key = new byte[] { (byte) 0x8c, (byte) 0xc7, 0x2b, 0x05, 0x70, 0x5d, 0x5c, 0x46, (byte) 0xf4, 0x12, (byte) 0xaf, (byte) 0x8c, (byte) 0xbe,
             (byte) 0xd5, 0x5a, (byte) 0xad, (byte) 0x8c, (byte) 0xc7, 0x2b, 0x05, 0x70, 0x5d, 0x5c, 0x46 };
     static byte[] iv = new byte[] { 0x66, 0x7b, 0x02, (byte) 0xa8, 0x5c, 0x61, (byte) 0xc7, (byte) 0x86 };
@@ -66,7 +69,7 @@ public class ZNYMQTTForwarder extends Forwarder {
 
         for (GnssCalcData locationRecord : records) {
             ZNYMQTTData tranData = new ZNYMQTTData();
-            tranData.setTimestamp(locationRecord.getCreatetime().format(formatter));
+            tranData.setTimestamp(locationRecord.getCreatetime().format(formatterMs));
             double n = NumberUtils.scale(locationRecord.getRposn(), 2);
             double e = NumberUtils.scale(locationRecord.getRpose(), 2);
             double d = NumberUtils.scale(locationRecord.getRposd(), 2);
@@ -75,7 +78,7 @@ public class ZNYMQTTForwarder extends Forwarder {
             tranData.setRposu(d);
             String json = GsonUtil.toJson(tranData);
             String cryptJson = Des3Utils.encrypt(json,key,iv);
-            logger.info("forward to ZNY mqtt: {}, {}",json, cryptJson);
+            logger.debug("forward to ZNY mqtt: {}, {}",json, cryptJson);
             String topic = "/GnssData/"+locationRecord.getDeviceid()+"/Increment";
             try {
                 if(!mqttClient.publish(topic, cryptJson)) break;