diff --git a/source/libs/transport/inc/transComm.h b/source/libs/transport/inc/transComm.h
index c11128149e..2ba88cdcc6 100644
--- a/source/libs/transport/inc/transComm.h
+++ b/source/libs/transport/inc/transComm.h
@@ -96,7 +96,7 @@ typedef void* queue[2];
 
 // #define TRANS_RETRY_COUNT_LIMIT 100   // retry count limit
 // #define TRANS_RETRY_INTERVAL    15    // retry interval (ms)
-#define TRANS_CONN_TIMEOUT 3000  // connect timeout (ms)
+#define TRANS_CONN_TIMEOUT 5000  // connect timeout (ms)
 #define TRANS_READ_TIMEOUT 3000  // read timeout  (ms)
 #define TRANS_PACKET_LIMIT 1024 * 1024 * 512
 
diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index 6d90208081..331434fed6 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -725,7 +725,8 @@ void cliConnTimeout(uv_timer_t* handle) {
     return;
   }
 
-  tTrace("%s conn %p conn timeout", CONN_GET_INST_LABEL(conn), conn);
+  cliMayUpdateFqdnCache(pThrd->fqdn2ipCache, conn->dstAddr);
+  tTrace("%s conn %p failed to connect %s since conn timeout", CONN_GET_INST_LABEL(conn), conn, conn->dstAddr);
   TAOS_UNUSED(transUnrefCliHandle(conn));
 }