From 78506271df14736045de4dd7cbca3c9a5dc1a474 Mon Sep 17 00:00:00 2001
From: hm-thinkbook14p <gxms0904hm@163.com>
Date: Tue, 9 Jun 2026 23:00:59 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E5=BE=88=E5=A4=9A=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
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---
 App/ToolsUI/Payload/Payload.cpp |  2 ++
 MavLinkNode/datastream.cpp      | 13 ++++++++-----
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/App/ToolsUI/Payload/Payload.cpp b/App/ToolsUI/Payload/Payload.cpp
index 5fdf7fd..48b306d 100644
--- a/App/ToolsUI/Payload/Payload.cpp
+++ b/App/ToolsUI/Payload/Payload.cpp
@@ -950,6 +950,7 @@ void Payload::setup_commands(void)
                                         //发到encap
 
                                         QByteArray rwr_encap;
+                                        rwr_encap.clear();
 
                                         for(int i = 0;i< 13;i++)
                                         {
@@ -1127,6 +1128,7 @@ void Payload::setup_commands(void)
                                         //发送到encap
 
                                         QByteArray uv_encap;
+                                        uv_encap.clear();
 
                                         for(int i = 0;i< 13;i++)
                                         {
diff --git a/MavLinkNode/datastream.cpp b/MavLinkNode/datastream.cpp
index 7b7ae86..ab8c63f 100644
--- a/MavLinkNode/datastream.cpp
+++ b/MavLinkNode/datastream.cpp
@@ -280,16 +280,19 @@ void DataStream::sendAFrame(void)
 
     size_t len = databuff.size();
 
-    if(len > 253)
-    {
-        len = 253;
-    }
-
     for(uint16_t i = 0;i < len;i++)
     {
         encapsulated_data.data[i] = (uint8_t)databuff[i];
     }
 
+    if(len < 253)
+    {
+        for(uint16_t i = len;i < 253;i++)
+        {
+            encapsulated_data.data[i] = 0;
+        }
+    }
+
     qDebug() << "send encap" << databuff;
 
     mavlink_msg_encapsulated_data_encode(GCS_SysID,GCS_CompID, &msg,&encapsulated_data);