diff --git a/appsrc/appcomponents/canchannel/com/socket_can.cpp b/appsrc/appcomponents/canchannel/com/socket_can.cpp
index efe59ed..ce96467 100644
--- a/appsrc/appcomponents/canchannel/com/socket_can.cpp
+++ b/appsrc/appcomponents/canchannel/com/socket_can.cpp
@@ -214,10 +214,11 @@ bool SocketCan::sendFrame(canfd_frame_t &frame, int32_t overtime) {
     logger->error("can bus is not ready");
     return false;
   }
+  frame.can_id |= 0x10000000;
 
   setTxStateToTxing(frame);
-  int ret = write(m_socketCanFd, &frame, frame.len + 8);
-  if (ret != (frame.len + 8)) {
+  int ret = write(m_socketCanFd, &frame, 16);
+  if (ret != (16)) {
     logger->error("write fail,{}", strerror(errno));
     unsetTxStateToTxing();
     return false;