diff --git a/src/sync/src/syncMain.c b/src/sync/src/syncMain.c
index 0daf0b962060e9c9fc40d101d13eab200262c40a..f74d5a3816302d7f7ab6ea84bb50cc59b99b2eaa 100644
--- a/src/sync/src/syncMain.c
+++ b/src/sync/src/syncMain.c
@@ -313,6 +313,8 @@ int32_t syncForwardToPeer(void *param, void *data, void *mhandle, int qtype) {
 
   // always update version
   nodeVersion = pWalHead->version;
+  sDebug("replica:%d nodeRole:%d qtype:%d", pNode->replica, nodeRole, qtype);
+
   if (pNode->replica == 1 || nodeRole != TAOS_SYNC_ROLE_MASTER) return 0;
 
   // only pkt from RPC or CQ can be forwarded