diff --git a/src/connection/connection.c b/src/connection/connection.c
index f8a1bbf9..c07b3af3 100644
--- a/src/connection/connection.c
+++ b/src/connection/connection.c
@@ -871,6 +871,7 @@ static void conn_connect(neu_conn_t *conn)
         } else {
             zlog_error(conn->param.log, "invalid ip: %s",
                        conn->param.params.tcp_server.ip);
+            close(fd);
             return;
         }
 
@@ -941,6 +942,7 @@ static void conn_connect(neu_conn_t *conn)
         } else {
             zlog_error(conn->param.log, "invalid ip: %s",
                        conn->param.params.tcp_server.ip);
+            close(fd);
             return;
         }