diff --git a/src/iflytop/components/zcanreceiver/zcanreceiverhost.cpp b/src/iflytop/components/zcanreceiver/zcanreceiverhost.cpp
index 8cbfc3d..4d3a543 100644
--- a/src/iflytop/components/zcanreceiver/zcanreceiverhost.cpp
+++ b/src/iflytop/components/zcanreceiver/zcanreceiverhost.cpp
@@ -33,6 +33,7 @@ shared_ptr<ZCanReceiverCMD> ZCanReceiverHost::sendcmdblock(shared_ptr<ZCanReceiv
       return rx;
     }
   }
+  logger->warn("sendcmdblock(index {},cmd {},subcmd {}) fail,timeout", cmd->packetindex, cmd->cmdid, cmd->subcmdid);
 
   return nullptr;
 }
@@ -71,7 +72,7 @@ shared_ptr<ZCanReceiverCMD> ZCanReceiverHost::_sendcmdblock(shared_ptr<ZCanRecei
   }
 
   if (!m_txContext.isReady) {
-    logger->warn("sendcmdblock(index {},cmd {},subcmd {}) fail,timeout", cmd->packetindex, cmd->cmdid, cmd->subcmdid);
+    logger->warn("try sendcmdblock(index {},cmd {},subcmd {}) fail,timeout", cmd->packetindex, cmd->cmdid, cmd->subcmdid);
     return nullptr;
   }
   usleep(10 * 1000);