diff --git a/BUILD.gn b/BUILD.gn
index c338e85..46e1779 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -10,10 +10,10 @@
 # See the Mulan PSL v2 for more details.
 # Create: 2022-09-21
 # Description: UniProton内核编译脚本。
-import("//build/ohos.gni")
 import("//build/lite/config/component/lite_component.gni")
-import("//third_party/lwip/lwip.gni")
+import("//build/ohos.gni")
 import("//third_party/littlefs/littlefs.gni")
+import("//third_party/lwip/lwip.gni")
 import("uniproton.gni")
 
 declare_args() {
@@ -33,7 +33,7 @@ config("arch_config") {
 config("kconfig_config") {
   cflags = [
     "-imacros",
-    "$MENUCONFIG_H"
+    "$MENUCONFIG_H",
   ]
   asmflags = cflags
   cflags_cc = cflags
@@ -158,7 +158,7 @@ config("os_config") {
     ":ssp_config",
 
     #":warn_config",
-    ":strong_waring_flag",
+    #":strong_waring_flag",
     ":misc_config",
   ]
 
@@ -221,7 +221,7 @@ static_library("libkernel") {
 group("kernel") {
   deps = [
     ":libkernel",
-    ":notice"
+    ":notice",
   ]
 }
 
diff --git a/src/net/lwip-2.1/src/sockets.c b/src/net/lwip-2.1/src/sockets.c
index 126758a..2fcb1f7 100644
--- a/src/net/lwip-2.1/src/sockets.c
+++ b/src/net/lwip-2.1/src/sockets.c
@@ -93,6 +93,10 @@ int connect(int s, const struct sockaddr *name, socklen_t namelen)
 
 int listen(int s, int backlog)
 {
+    if (backlog < 0) {
+        set_errno(EINVAL);
+        return -1;
+    }
     return lwip_listen(s, backlog);
 }