From 29bbad2b81615fedea4935f3e20119c7eafa2ae5 Mon Sep 17 00:00:00 2001
From: cxh <zxwl@56.com>
Date: Thu, 12 Jun 2025 16:10:48 +0800
Subject: [PATCH] Auto commit at 2025-06-12 16:10:48

---
 src/mc/src/mc.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mc/src/mc.cpp b/src/mc/src/mc.cpp
index fd9c3bd..9019119 100644
--- a/src/mc/src/mc.cpp
+++ b/src/mc/src/mc.cpp
@@ -101,7 +101,7 @@ void receiveHandler(const CANFrame &frame, void *userData)
   publisher->publish(msg);
 
   // 根据开关决定是否打印 CAN 消息
-  if (g_can_print_enable)
+  if (g_can_print_enable && len > 0)
   {
     std::stringstream ss;
     ss << "CAN ID: ";