diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TCPClient.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TCPClient.java
index 587c7bdc..a5168ce2 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TCPClient.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TCPClient.java
@@ -1,6 +1,5 @@
 package com.imdroid.beidou_fwd.service;
 
-import com.imdroid.common.util.ThreadManager;
 import io.netty.bootstrap.Bootstrap;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
@@ -13,7 +12,6 @@ import org.slf4j.LoggerFactory;
 
 import java.nio.charset.StandardCharsets;
 import java.time.LocalDateTime;
-import java.util.concurrent.TimeUnit;
 
 public class TCPClient {
     private final Logger logger = LoggerFactory.getLogger(this.getClass());
@@ -93,7 +91,7 @@ public class TCPClient {
         new Thread(this::connect, host+":"+port+" forwarder tcp-client").start();
         for(int i=0; i<20; i++){
             Thread.sleep(50);
-            if(channel.isActive()) return true;
+            if(channel!=null && channel.isActive()) return true;
         }
         return false;
     }
@@ -102,7 +100,7 @@ public class TCPClient {
         ByteBuf sendBuffer = Unpooled.buffer();
         sendBuffer.writeBytes(json.getBytes(StandardCharsets.UTF_8));
         logger.info("send to {}: {}",host,json);
-        if(!channel.isActive()){
+        if(channel==null || !channel.isActive()){
             try {
                 if(!tryReconnect()) return;
             } catch (Exception e) {
diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GXJSForwarder.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GXJSForwarder.java
index 49dc92e7..da2f3c47 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GXJSForwarder.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GXJSForwarder.java
@@ -34,7 +34,7 @@ public class GXJSForwarder extends GXXfzForwarder{
     /**
      * 每半小时转发GNSS解算结果
      */
-    @Scheduled(cron = "0 15,45 * * * ?") // 每30分钟执行一次
+    @Scheduled(cron = "0 0/10 * * * ?") // 每30分钟执行一次
     private void forwardGnss() {
         if(!enabled) return;
         logger.debug("gxjs forwardGnss");
diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GXXfzForwarder.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GXXfzForwarder.java
index fb644827..159a8b04 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GXXfzForwarder.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GXXfzForwarder.java
@@ -71,7 +71,7 @@ public class GXXfzForwarder extends Forwarder{
             // 发送
             batchNum++;
 
-            if(batchNum==50){
+            if(batchNum==20){
                 String json = "#" + GsonUtil.toJson(xfzTcpMessage) + "!";
                 //logger.debug("project {}: forwad {} gnss records to {}",projectId, dataList.size(),fwdGroupId);
                 //logger.debug(json);