diff --git a/src/rpc/src/rpcMain.c b/src/rpc/src/rpcMain.c
index f05416c0cde48171fd221da4fe57c8fd5e93c188..9bb63b751ab98483a10b2d191b9b64e14dbf7cd9 100644
--- a/src/rpc/src/rpcMain.c
+++ b/src/rpc/src/rpcMain.c
@@ -695,6 +695,7 @@ static SRpcConn *rpcGetConnObj(SRpcInfo *pRpc, int sid, SRecvInfo *pRecv) {
   if (pConn) {
     if (pConn->linkUid != pHead->linkUid) {
       terrno = TSDB_CODE_RPC_MISMATCHED_LINK_ID;
+      tError("%s %p %p, linkUid:0x%x is not matched with received:0x%x", pRpc->label, pConn, pHead->ahandle, pConn->linkUid, pHead->linkUid);
       pConn = NULL;
     }
   }