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 12288963..84508d9f 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
@@ -26,14 +26,16 @@ public class TCPClient {
     private EventLoopGroup group;
     private Channel channel;
     LocalDateTime connectTime = LocalDateTime.now();
+    TCPListener listener;
 
     public void start() {
         new Thread(this::connect, "forwarder tcp-client").start();
     }
 
-    public void init(String dest_addr, int dest_port) {
+    public void init(String dest_addr, int dest_port, TCPListener listener) {
         this.host = dest_addr;
         this.port = dest_port;
+        this.listener = listener;
 
         //客户端需要一个事件循环组
         group = new NioEventLoopGroup();
@@ -90,6 +92,9 @@ public class TCPClient {
                 logger.info("send to tcp:"+host+" succeed.");
             } else {
                 logger.info("send to tcp:"+host+" failed.");
+                if(listener!=null){
+                    listener.onMessage("failed");
+                }
             }
         });
     }
@@ -113,4 +118,10 @@ public class TCPClient {
         }
     }
 
+    public void onMessage(String msg){
+        if(listener!=null){
+            listener.onMessage(msg);
+        }
+    }
+
 }
diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TCPListener.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TCPListener.java
index 4b17a4d5..649bc4f5 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TCPListener.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TCPListener.java
@@ -3,5 +3,5 @@ package com.imdroid.beidou_fwd.service;
 public interface TCPListener {
     void onConnected();
     void onDisconnect();
-    void onSendResult(boolean isOK);
+    void onMessage(String msg);
 }
diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TcpMessageHandler.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TcpMessageHandler.java
index 549ffc17..f9ed7504 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TcpMessageHandler.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/TcpMessageHandler.java
@@ -1,12 +1,13 @@
 package com.imdroid.beidou_fwd.service;
 
-import com.imdroid.common.util.DataTypeUtil;
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.SimpleChannelInboundHandler;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.nio.charset.Charset;
+
 /**
  * @author Layton
  * @date 2023/2/18 20:36
@@ -23,28 +24,28 @@ public class TcpMessageHandler extends SimpleChannelInboundHandler<ByteBuf> {
 
     @Override
     protected void channelRead0(ChannelHandlerContext channelHandlerContext, ByteBuf buf) throws Exception {
+        String msg = buf.toString(Charset.defaultCharset());
+        tcpClient.onMessage(msg);
         if (logger.isDebugEnabled()) {
-            byte[] data = new byte[buf.readableBytes()];
-            buf.getBytes(0, data);
-            logger.debug("receive server message:" + DataTypeUtil.getHexString(data));
+            logger.debug("receive server message:" + msg);
         }
     }
 
     @Override
     public void channelActive(ChannelHandlerContext ctx) throws Exception {
-        logger.info("xfz tcp channel active");
+        logger.info("tcp channel active");
         tcpClient.onConnected();
     }
 
     @Override
     public void channelInactive(ChannelHandlerContext ctx) throws Exception {
-        logger.info("xfz tcp channel inactive");
+        logger.info("tcp channel inactive");
         tcpClient.onDisconnect();
     }
 
     @Override
     public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
-        logger.error("XFZTcpMessageHandler error: {}", cause.toString());
+        logger.error("TcpMessageHandler error: {}", cause.toString());
         ctx.close();
     }
 
diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/Forwarder.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/Forwarder.java
index e7fa292f..c6127577 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/Forwarder.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/Forwarder.java
@@ -241,4 +241,4 @@ public class Forwarder {
             fwdMapper.updateById(gnssGroupFwd);
         }
     }
-}
+}
\ No newline at end of file
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 95130a4f..75d0b182 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
@@ -2,6 +2,7 @@ package com.imdroid.beidou_fwd.task;
 
 import com.imdroid.beidou_fwd.entity.XFZData;
 import com.imdroid.beidou_fwd.service.TCPClient;
+import com.imdroid.beidou_fwd.service.TCPListener;
 import com.imdroid.common.util.GsonUtil;
 import com.imdroid.common.util.NumberUtils;
 import com.imdroid.secapi.dto.*;
@@ -36,11 +37,37 @@ public class GXXfzForwarder extends Forwarder{
 
     final DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
 
+    static class XFZTCPListener implements TCPListener{
+        public static final int STATE_NO_ACK = 0;
+        public static final int STATE_OK = 1;
+        public static final int STATE_FAILED = 2;
+        public int state = STATE_NO_ACK;
+
+        public void clear(){
+            state = STATE_NO_ACK;
+        }
+        @Override
+        public void onConnected() {
+
+        }
+
+        @Override
+        public void onDisconnect() {
+
+        }
+
+        @Override
+        public void onMessage(String msg) {
+            if(msg.contains("succeed")) state = STATE_OK;
+            else state = STATE_FAILED;
+        }
+    }
+    XFZTCPListener listener = new XFZTCPListener();
     @PostConstruct
     void registerMe(){
         init(FORWARDER_NAME, "TCP "+host+":"+port,1,false,30);
         xfzTcpClient = new TCPClient();
-        xfzTcpClient.init(host, port);
+        xfzTcpClient.init(host, port,listener);
         xfzTcpClient.start();
     }
 
@@ -81,12 +108,25 @@ public class GXXfzForwarder extends Forwarder{
         logger.info("project " + projectId + ": push calculation result to XFZ");
         logger.info(json);
         try {
+            listener.clear();
             xfzTcpClient.writeAndFlush(json);
-            Thread.sleep(1000);
+            //等待应答
+            if(!checkResult()) sendNum = 0;
         } catch (Exception e1) {
+            sendNum = 0;
             e1.printStackTrace();
         }
         return sendNum;
     }
 
+    boolean checkResult() throws InterruptedException {
+        // 等待应答，最多等1s
+        for(int i=0; i<10; i++){
+            Thread.sleep(100);
+            if(listener.state == XFZTCPListener.STATE_OK) return true;
+            else if(listener.state == XFZTCPListener.STATE_FAILED) return false;
+        }
+        return false;
+    }
+
 }
diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/SaasForwarder.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/SaasForwarder.java
index 7da0ba74..1be99bc6 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/SaasForwarder.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/SaasForwarder.java
@@ -2,6 +2,7 @@ package com.imdroid.beidou_fwd.task;
 
 import com.imdroid.beidou_fwd.entity.XFZData;
 import com.imdroid.beidou_fwd.service.TCPClient;
+import com.imdroid.beidou_fwd.service.TCPListener;
 import com.imdroid.common.util.GsonUtil;
 import com.imdroid.common.util.NumberUtils;
 import com.imdroid.secapi.dto.GnssCalcData;
@@ -35,19 +36,44 @@ public class SaasForwarder extends Forwarder{
     private TCPClient tcpClient;
 
     final DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+    static class MyTCPListener implements TCPListener {
+        public static final int STATE_NO_ACK = 0;
+        public static final int STATE_OK = 1;
+        public static final int STATE_FAILED = 2;
+        public int state = STATE_NO_ACK;
 
+        public void clear(){
+            state = STATE_NO_ACK;
+        }
+        @Override
+        public void onConnected() {
+
+        }
+
+        @Override
+        public void onDisconnect() {
+
+        }
+
+        @Override
+        public void onMessage(String msg) {
+            if(msg.contains("succeed")) state = STATE_OK;
+            else state = STATE_FAILED;
+        }
+    }
+    MyTCPListener listener = new MyTCPListener();
     @PostConstruct
     void registerMe(){
         init(FORWARDER_NAME, "TCP "+host+":"+port,0,false,30);
         tcpClient = new TCPClient();
-        tcpClient.init(host, port);
+        tcpClient.init(host, port,listener);
         tcpClient.start();
     }
 
     /**
      * 每半小时转发GNSS解算结果
      */
-    @Scheduled(cron = "0 20,50 * * * ?") // 每30分钟执行一次
+    @Scheduled(cron = "0 0/30 * * * ?") // 每30分钟执行一次
     private void forwardGnss() {
         logger.info("saas forwardGnss");
         forwardCurrentGnss();
@@ -81,12 +107,24 @@ public class SaasForwarder extends Forwarder{
         logger.info("project " + projectId + ": push calculation result to SAAS");
         logger.info(json);
         try {
+            listener.clear();
             tcpClient.writeAndFlush(json);
-            Thread.sleep(1000);
+            if(!checkResult()) sendNum = 0;
         } catch (Exception e1) {
             e1.printStackTrace();
+            sendNum = 0;
         }
         return sendNum;
     }
 
+    boolean checkResult() throws InterruptedException {
+        // 等待应答，最多等1s
+        for(int i=0; i<10; i++){
+            Thread.sleep(100);
+            if(listener.state == GXXfzForwarder.XFZTCPListener.STATE_OK) return true;
+            else if(listener.state == GXXfzForwarder.XFZTCPListener.STATE_FAILED) return false;
+        }
+        return false;
+    }
+
 }