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 dc155997..d0032975 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
@@ -45,7 +45,7 @@ public class TCPClient {
                     @Override
                     protected void initChannel(SocketChannel ch) throws Exception {
                         //加入处理器
-                        ch.pipeline().addLast(new TcpMessageHandler(TCPClient.this));
+                        ch.pipeline().addLast(new TcpMessageHandler());
                     }
                 });
     }
@@ -67,7 +67,7 @@ public class TCPClient {
                             } catch (Exception e) {
                                 e.printStackTrace();
                             }
-                        }, 3000, TimeUnit.MILLISECONDS);
+                        }, 5000, TimeUnit.MILLISECONDS);
                     } else {
                         logger.info("xfz tcp client start success!");
                     }
@@ -94,4 +94,8 @@ public class TCPClient {
             }
         });
     }
+
+    public boolean isActive(){
+        return channel.isActive();
+    }
 }
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 847495ed..4b058d41 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
@@ -15,12 +15,6 @@ public class TcpMessageHandler extends SimpleChannelInboundHandler<ByteBuf> {
 
     private final Logger logger = LoggerFactory.getLogger(this.getClass());
 
-    private final TCPClient tcpClient;
-
-    public TcpMessageHandler(TCPClient tcpClient) {
-        this.tcpClient = tcpClient;
-    }
-
     @Override
     protected void channelRead0(ChannelHandlerContext channelHandlerContext, ByteBuf buf) throws Exception {
         if (logger.isDebugEnabled()) {
@@ -38,7 +32,6 @@ public class TcpMessageHandler extends SimpleChannelInboundHandler<ByteBuf> {
     @Override
     public void channelInactive(ChannelHandlerContext ctx) throws Exception {
         logger.info("xfz tcp channel inactive");
-        tcpClient.connect();
     }
 
     @Override
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 364b45aa..5c69512a 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
@@ -7,7 +7,6 @@ import com.imdroid.common.util.NumberUtils;
 import com.imdroid.secapi.dto.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.scheduling.annotation.EnableScheduling;
@@ -39,30 +38,29 @@ public class GXXfzForwarder extends Forwarder{
     @PostConstruct
     void registerMe(){
         init(FORWARDER_NAME, "TCP "+host+":"+port);
+        xfzTcpClient = new TCPClient();
+        xfzTcpClient.init(host, port);
+        xfzTcpClient.start();
     }
+
+    @Scheduled(cron = "0 29,39,59 * * * ?") // 每29分/59分执行一次
+    private void checkTCP() {
+        if(!xfzTcpClient.isActive()) {
+            xfzTcpClient.connect();
+        }
+    }
+
     /**
      * 每半小时转发GNSS解算结果
      */
     @Scheduled(cron = "0 0/30 * * * ?") // 每30分钟执行一次
     private void forwardGnss() {
-        // 1.按项目检索最近半小时的解算结果记录，推送Enable为true的记录
-        // 2.如果某终端最近半小时没有数据，则记录本次时间为待补传时间
-        if(xfzTcpClient == null){
-            xfzTcpClient = new TCPClient();
-            xfzTcpClient.init(host, port);
-            xfzTcpClient.start();
-        }
         forwardCurrentGnss(FORWARDER_NAME);
     }
 
     @Scheduled(cron = "0 40 * * * ?") // 每小时的40分钟执行一次
     //@Scheduled(cron = "0 0/20 * * * ?") // 每20分钟执行一次
     private void forwardHistoryGnss() {
-        if(xfzTcpClient == null){
-            xfzTcpClient = new TCPClient();
-            xfzTcpClient.init(host, port);
-            xfzTcpClient.start();
-        }
         forwardHistoryGnss(FORWARDER_NAME);
     }
 
@@ -92,10 +90,16 @@ public class GXXfzForwarder extends Forwarder{
             sendNum++;
         }
         String json = GsonUtil.toJson(xfzTcpMessage);
-        xfzTcpClient.writeAndFlush(json);
         logger.info("project " + projectId + ": push calculation result to XFZ");
         logger.info(json);
-        return sendNum;
+        if(xfzTcpClient.isActive()) {
+            xfzTcpClient.writeAndFlush(json);
+            return sendNum;
+        }
+        else{
+            logger.info("TCP disconnected!");
+            return 0;
+        }
     }
 
 }
diff --git a/sec-beidou-fwd/src/main/resources/application.properties b/sec-beidou-fwd/src/main/resources/application.properties
index 42049875..bc9f49ed 100644
--- a/sec-beidou-fwd/src/main/resources/application.properties
+++ b/sec-beidou-fwd/src/main/resources/application.properties
@@ -21,10 +21,10 @@ app.format.datetime = yyyy-MM-dd HH:mm:ss
 
 mybatis-plus.configuration.map-underscore-to-camel-case=false
 
-#xfz.server.host = 171.106.48.63
-#xfz.server.port = 52000
-xfz.server.host = 115.236.153.174
-xfz.server.port = 31035
+xfz.server.host = 171.106.48.63
+xfz.server.port = 52000
+#xfz.server.host = 115.236.153.174
+#xfz.server.port = 31035
 
 kingma.server.login_user = ceshi
 kingma.server.login_pwd = ceshi!123