diff --git a/components/net/lwip-2.1/lwip_porting.gni b/components/net/lwip-2.1/lwip_porting.gni
old mode 100644
new mode 100755
index d00f8f0e..b4453902
--- a/components/net/lwip-2.1/lwip_porting.gni
+++ b/components/net/lwip-2.1/lwip_porting.gni
@@ -1,44 +1,45 @@
-# Copyright (c) 2021-2021 Huawei Device Co., Ltd. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without modification,
-# are permitted provided that the following conditions are met:
-#
-# 1. Redistributions of source code must retain the above copyright notice, this list of
-#    conditions and the following disclaimer.
-#
-# 2. Redistributions in binary form must reproduce the above copyright notice, this list
-#    of conditions and the following disclaimer in the documentation and/or other materials
-#    provided with the distribution.
-#
-# 3. Neither the name of the copyright holder nor the names of its contributors may be used
-#    to endorse or promote products derived from this software without specific prior written
-#    permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
-# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-import("//kernel/liteos_m/config.gni")
-LWIP_PORTING_DIR = "//kernel/liteos_m/components/net/lwip-2.1"
-
-LWIP_PORTING_INCLUDE_DIRS = [ "$LWIP_PORTING_DIR/porting/include" ]
-
-LWIP_PORTING_FILES = [
-  "$LWIP_PORTING_DIR/porting/src/driverif.c",
-  "$LWIP_PORTING_DIR/porting/src/lwip_init.c",
-  "$LWIP_PORTING_DIR/porting/src/netdb_porting.c",
-  "$LWIP_PORTING_DIR/porting/src/sockets_porting.c",
-  "$LWIP_PORTING_DIR/porting/src/sys_arch.c",
-  if (enable_ohos_kernel_liteos_m_shell== true) {
-    "$LWIP_PORTING_DIR/porting/src/api_shell.c",
-  }
-  "$LWIP_PORTING_DIR/enhancement/src/fixme.c",
-  "$LWIP_PORTING_DIR/enhancement/src/lwip_ifaddrs.c",
-]
\ No newline at end of file
+# Copyright (c) 2021-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+import("//kernel/liteos_m/config.gni")
+LWIP_PORTING_DIR = "//kernel/liteos_m/components/net/lwip-2.1"
+
+LWIP_PORTING_INCLUDE_DIRS = [ "$LWIP_PORTING_DIR/porting/include" ]
+
+LWIP_PORTING_FILES = [
+  "$LWIP_PORTING_DIR/porting/src/driverif.c",
+  "$LWIP_PORTING_DIR/porting/src/lwip_init.c",
+  "$LWIP_PORTING_DIR/porting/src/netdb_porting.c",
+  "$LWIP_PORTING_DIR/porting/src/sockets_porting.c",
+  "$LWIP_PORTING_DIR/porting/src/sys_arch.c",
+  "$LWIP_PORTING_DIR/enhancement/src/fixme.c",
+  "$LWIP_PORTING_DIR/enhancement/src/lwip_ifaddrs.c",
+]
+
+if (enable_ohos_kernel_liteos_m_shell == true) {
+  LWIP_PORTING_FILES += [ "$LWIP_PORTING_DIR/porting/src/api_shell.c" ]
+}