diff --git a/src/util/src/tsocket.c b/src/util/src/tsocket.c
index 5c0b322d15d34e9b34ef95d8ade03e7ee46b64c3..77941cba82010a9187227b4740c4100680577403 100644
--- a/src/util/src/tsocket.c
+++ b/src/util/src/tsocket.c
@@ -22,7 +22,7 @@
   #define SIGPIPE EPIPE
 #endif
 
-#define TCP_CONN_TIMEOUT 3  // conn timeout
+#define TCP_CONN_TIMEOUT 3000  // conn timeout
 
 int32_t taosGetFqdn(char *fqdn) {
   char hostname[1024];