diff --git a/luci-app-cpe/root/etc/init.d/modem b/luci-app-cpe/root/etc/init.d/modem
index 03c4507..dffe31c 100644
--- a/luci-app-cpe/root/etc/init.d/modem
+++ b/luci-app-cpe/root/etc/init.d/modem
@@ -4,19 +4,19 @@
 START=16
 STOP=16
 USE_PROCD=1
-#使用procd启动
+#浣跨敤procd鍚姩
 
 
-# start启动服务
-# stop停止服务
-# restart重新启动服务
-# reload重新加载配置文件（如果服务未实现重新加载，则重新启动）
-# enable启用服务自动启动
-# disable禁用服务自动启动
-# enabled检查服务是否在启动时启动
-# 正在运行检查服务是否正在运行
-# status服务状态
-# trace从系统调用跟踪开始
+# start鍚姩鏈嶅姟
+# stop鍋滄鏈嶅姟
+# restart閲嶆柊鍚姩鏈嶅姟
+# reload閲嶆柊鍔犺浇閰嶇疆鏂囦欢锛堝鏋滄湇鍔℃湭瀹炵幇閲嶆柊鍔犺浇锛屽垯閲嶆柊鍚姩锛�
+# enable鍚敤鏈嶅姟鑷姩鍚姩
+# disable绂佺敤鏈嶅姟鑷姩鍚姩
+# enabled妫�鏌ユ湇鍔℃槸鍚﹀湪鍚姩鏃跺惎鍔�
+# 姝ｅ湪杩愯妫�鏌ユ湇鍔℃槸鍚︽鍦ㄨ繍琛�
+# status鏈嶅姟鐘舵��
+# trace浠庣郴缁熻皟鐢ㄨ窡韪紑濮�
 
 runModem()
 {
@@ -61,8 +61,8 @@ runModem()
 
 
         procd_open_instance
-        #创建一个实例， 在procd看来一个应用程序可以多个实\E4\BE?
-        #ubus call service list 可以查看实例
+        #鍒涘缓涓�涓疄渚嬶紝 鍦╬rocd鐪嬫潵涓�涓簲鐢ㄧ▼搴忓彲浠ュ涓疄\E4\BE?
+        #ubus call service list 鍙互鏌ョ湅瀹炰緥
         procd_set_param command $tool -i $ifname -s $apn $pdptype
         if [ "$password" != "" ];then
             procd_append_param command $user $password $auth
@@ -74,7 +74,7 @@ runModem()
         procd_set_param respawn
         echo "quectel-CM has started."
         procd_close_instance
-        #关闭实例
+        #鍏抽棴瀹炰緥
     fi
 
 
diff --git a/luci-app-modem b/luci-app-modem
new file mode 160000
index 0000000..64fc354
--- /dev/null
+++ b/luci-app-modem
@@ -0,0 +1 @@
+Subproject commit 64fc3549eb3cfbaf12dacce8ac415ffd01f0ac0a
diff --git a/sms-tool/Makefile b/sms-tool/Makefile
new file mode 100644
index 0000000..faf3913
--- /dev/null
+++ b/sms-tool/Makefile
@@ -0,0 +1,29 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=sms-tool
+PKG_RELEASE:=1
+
+PKG_SOURCE_URL:=https://github.com/obsy/sms_tool
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_DATE:=2021-08-24
+PKG_SOURCE_VERSION:=57a68d07c3d38fd8766d2705fd2a2c1ae01ee004
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/sms-tool
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=sms tool
+  URL:=https://github.com/obsy/sms_tool
+endef
+
+define Package/sms-tool/description
+	SMS Tool for 3G/4G modem
+endef
+
+define Package/sms-tool/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/sms_tool $(1)/usr/bin/
+endef
+
+$(eval $(call BuildPackage,sms-tool))
diff --git a/sms-tool/patches/0001-Update-sms_main.c.patch b/sms-tool/patches/0001-Update-sms_main.c.patch
new file mode 100644
index 0000000..709359e
--- /dev/null
+++ b/sms-tool/patches/0001-Update-sms_main.c.patch
@@ -0,0 +1,29 @@
+From e59637cdf9d29e23639e7ca4530a4cc9d613ded0 Mon Sep 17 00:00:00 2001
+From: dwj0 <45187345+dwj0@users.noreply.github.com>
+Date: Thu, 14 Oct 2021 12:40:03 +0800
+Subject: [PATCH] Update sms_main.c
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+淇涓枃缂栫爜棣栧瓧鑺傚ぇ浜�0x80鏃舵樉绀洪敊璇�
+---
+ sms_main.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/sms_main.c b/sms_main.c
+index 2eb4f5d..f591f6a 100644
+--- a/sms_main.c
++++ b/sms_main.c
+@@ -155,7 +155,7 @@ static void print_json_escape_char(char c1, char c2)
+ 		else if(c2 < ' ') printf("\\u00%02x", c2);
+ 		else printf("%c", c2);
+ 	} else {
+-		printf("\\u%02x%02x", c1, c2);
++		printf("\\u%02x%02x", (unsigned char)c1, (unsigned char)c2);
+ 	}
+ }
+ 
+-- 
+2.25.1
+