diff --git a/0027-modify-EISCONN-condition.patch b/0027-modify-EISCONN-condition.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2693e91a75668b93dc8f63d229d4b7a51be74751
--- /dev/null
+++ b/0027-modify-EISCONN-condition.patch
@@ -0,0 +1,39 @@
+From b8c388a7adef4dc53d3bb135102da64bf8a08b76 Mon Sep 17 00:00:00 2001
+From: wuchangsheng <wuchangsheng2@huawei.com>
+Date: Thu, 6 Oct 2022 15:57:33 +0800
+Subject: [PATCH] modify-EISCONN-condition
+
+---
+ src/api/api_msg.c      | 2 +-
+ src/include/lwipsock.h | 2 ++
+ 2 files changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/src/api/api_msg.c b/src/api/api_msg.c
+index 7839526..2dded75 100644
+--- a/src/api/api_msg.c
++++ b/src/api/api_msg.c
+@@ -1417,7 +1417,7 @@ lwip_netconn_do_connect(void *m)
+         /* Prevent connect while doing any other action. */
+         if (msg->conn->state == NETCONN_CONNECT) {
+           err = ERR_ALREADY;
+-        } else if (msg->conn->state != NETCONN_NONE) {
++        } else if (msg->conn->pcb.tcp->state != ESTABLISHED) {
+           err = ERR_ISCONN;
+         } else {
+           setup_tcp(msg->conn);
+diff --git a/src/include/lwipsock.h b/src/include/lwipsock.h
+index 16e0dd3..3c5c44b 100644
+--- a/src/include/lwipsock.h
++++ b/src/include/lwipsock.h
+@@ -98,6 +98,8 @@ struct lwip_sock {
+   struct list_node recv_list __rte_cache_aligned;
+   struct list_node event_list __rte_cache_aligned;
+   struct list_node send_list __rte_cache_aligned;
++  uint32_t in_send __rte_cache_aligned; /* avoid sock too much send rpc msg*/
++  uint32_t send_flag __rte_cache_aligned; /* avoid sock too much send rpc msg*/
+   uint32_t epoll_events; /* registered events, EPOLLONESHOT write frequently */
+   char pad __rte_cache_aligned;
+ 
+-- 
+2.27.0
+
diff --git a/lwip.spec b/lwip.spec
index e48a58834bb171680ac5c81be452e75e28f92c27..0ea170cf87945433cb6a9ba6dd5928ddfaf147a7 100644
--- a/lwip.spec
+++ b/lwip.spec
@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.1.3
-Release: 14
+Release: 15
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.tar.gz
@@ -38,6 +38,7 @@ Patch9022:  0023-refactor-event-and-checksum-offload-support.patch
 Patch9023:  0024-refactor-pkt-read-send-performance.patch
 Patch9024:  0025-Replace-gettid-with-syscall-SYS_gettid.patch
 Patch9025:  0026-del-redundant-wait_close-and-move-epoll_events-pos.patch
+Patch9026:  0027-modify-EISCONN-condition.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -66,6 +67,10 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Thu Oct 6 2022 wuchangsheng<wuchangsheng2@huawei.com> - 2.1.3-15
+- modify EISCONN path condition
+  add in_send and send_flag value in sock
+
 * Tue Jul 26 2022 wuchangsheng<wuchangsheng2@huawei.com> - 2.1.3-14
 - del redundant wait_close in lwip_sock
   move epoll_events into cache aligned area