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 179decdc..2c70e625 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
@@ -85,7 +85,12 @@ public class GXXfzForwarder extends Forwarder{
         String json = "#" + GsonUtil.toJson(xfzTcpMessage) + "!";
         logger.info("project " + projectId + ": push calculation result to XFZ");
         logger.info(json);
-        xfzTcpClient.writeAndFlush(json);
+        try {
+            xfzTcpClient.writeAndFlush(json);
+            Thread.sleep(1000);
+        } catch (Exception e1) {
+            e1.printStackTrace();
+        }
         return sendNum;
     }