diff --git a/0003-route-extend-lws_route_uidx_t-from-1-byte-to-2-bytes.patch b/0003-route-extend-lws_route_uidx_t-from-1-byte-to-2-bytes.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2c39cd983057e00045edb08b625750cd728ae496
--- /dev/null
+++ b/0003-route-extend-lws_route_uidx_t-from-1-byte-to-2-bytes.patch
@@ -0,0 +1,40 @@
+From 8bae551a6dad97f1f3b5688d917b90011cd272e1 Mon Sep 17 00:00:00 2001
+From: wayneonway <121931005@qq.com>
+Date: Mon, 21 Feb 2022 15:16:35 +0800
+Subject: [PATCH] route: extend lws_route_uidx_t from 1 byte to 2 bytes
+
+---
+ include/libwebsockets/lws-network-helper.h | 3 ++-
+ lib/core-net/route.c                       | 2 +-
+ 2 files changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/include/libwebsockets/lws-network-helper.h b/include/libwebsockets/lws-network-helper.h
+index 4ad16bef..72c9f932 100644
+--- a/include/libwebsockets/lws-network-helper.h
++++ b/include/libwebsockets/lws-network-helper.h
+@@ -33,7 +33,8 @@
+ #include <lwip/sockets.h>
+ #endif
+ 
+-typedef uint8_t lws_route_uidx_t;
++/* cope with large amounts of route information */
++typedef uint16_t lws_route_uidx_t;
+ 
+ typedef struct lws_dns_score {
+ 	uint8_t precedence;
+diff --git a/lib/core-net/route.c b/lib/core-net/route.c
+index 91744372..0f3746fe 100644
+--- a/lib/core-net/route.c
++++ b/lib/core-net/route.c
+@@ -96,7 +96,7 @@ _lws_routing_table_dump(struct lws_context *cx)
+ lws_route_uidx_t
+ _lws_route_get_uidx(struct lws_context *cx)
+ {
+-	uint8_t ou;
++	lws_route_uidx_t ou;
+ 
+ 	if (!cx->route_uidx)
+ 		cx->route_uidx++;
+-- 
+2.25.1
+
diff --git a/libwebsockets.spec b/libwebsockets.spec
index dfe0c196ad5fe72146e8ac9dc38719a2c4dd8eca..d3a887702db8bdf44944dcce344b40b23e7d6e64 100644
--- a/libwebsockets.spec
+++ b/libwebsockets.spec
@@ -1,6 +1,6 @@
 Name:           libwebsockets
 Version:        4.3.0
-Release:        3
+Release:        4
 Summary:        A lightweight C library for Websockets
 License:        LGPLv2 and Public Domain and BSD and MIT and zlib
 URL:            https://libwebsockets.org
@@ -8,6 +8,7 @@ Source0:        https://github.com/warmcat/libwebsockets/archive/v%{version}.tar
 
 Patch9001:	0001-add-secure-compile-option-in-Makefile.patch
 Patch9002:	0002-solve-the-BEP-problem.patch
+Patch9003:	0003-route-extend-lws_route_uidx_t-from-1-byte-to-2-bytes.patch
 
 BuildRequires:  cmake openssl-devel zlib-devel libev-devel gcc gcc-c++
 
@@ -98,7 +99,13 @@ find %{buildroot} -name '*_static.pc' -exec rm -f {} ';'
 %doc changelog README.md READMEs/
 
 %changelog
-* Tue May 3 2022 zhangxiaoyu <zhangxiaoyu58@huawei.com> - 4.3.0-3
+* Thu May 05 2022 zhangxiaoyu <zhangxiaoyu58@huawei.com> - 4.3.0-4
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:extend lws_route_uidx_t from 1 byte to 2 bytes
+
+* Tue May 03 2022 zhangxiaoyu <zhangxiaoyu58@huawei.com> - 4.3.0-3
 - Type:bugfix
 - ID:NA
 - SUG:NA