diff --git a/debian/changelog b/debian/changelog
index 5e82510..7c121dd 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+spark-store (4.1.0) stable; urgency=medium
+
+  * feat: 现在可以支持UOS签名包问题了
+
+-- shenmo <shenmo@spark-app.store>  Fri, 30 Jan 2022 00:00:00 +0800
+
 spark-store (4.0.1) stable; urgency=medium
 
   * feat: 提升Ubuntu下的显示效果
diff --git a/src/main.cpp b/src/main.cpp
index 75ca295..ec0139e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -13,7 +13,7 @@ DWIDGET_USE_NAMESPACE
 int main(int argc, char *argv[])
 {
     // Get build time
-    static const QString version = "Version 4.0.1";
+    static const QString version = "Version 4.1.0";
     static const QDate buildDate = QLocale( QLocale::English ).toDate( QString(__DATE__).replace("  ", " 0"), "MMM dd yyyy");
     static const QTime buildTime = QTime::fromString(__TIME__, "hh:mm:ss");
 
diff --git a/tool/update-upgrade/ss-do-upgrade-worker.sh b/tool/update-upgrade/ss-do-upgrade-worker.sh
index 37e0e58..b76ddc3 100755
--- a/tool/update-upgrade/ss-do-upgrade-worker.sh
+++ b/tool/update-upgrade/ss-do-upgrade-worker.sh
@@ -1,26 +1,39 @@
 #!/bin/bash
-if [ "$(id -u)" != "0" ];then
-pkexec "$0" "$@"
-exit
+if [ "$(id -u)" != "0" ] ; then
+	pkexec "$0" "$@"
+	exit
 fi
 
-
 case $1 in 
 	ssupdate)
-	aptss ssupdate 2>&1 | tee /tmp/spark-store-app-ssupdate-log.txt
-	IS_SSUPDATE_ERROR=`cat /tmp/spark-store-app-ssupdate-log.txt | grep "E: "`
-	echo "$IS_SSUPDATE_ERROR" > /tmp/spark-store-app-ssupdate-status.txt
+		aptss ssupdate 2>&1 | tee /tmp/spark-store-app-ssupdate-log.txt
+		IS_SSUPDATE_ERROR=`cat /tmp/spark-store-app-ssupdate-log.txt | grep "E: "`
+		echo "$IS_SSUPDATE_ERROR" > /tmp/spark-store-app-ssupdate-status.txt
 	;;
+
 	upgradable-list)
-	bwrap --dev-bind / / --bind '/opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list' /etc/apt/sources.list.d/sparkstore.list apt list --upgradable -o Dir::Etc::sourcelist="sources.list.d/sparkstore.list"     -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0" | awk 'BEGIN {FS="/"} {print $1}' | awk NR\>1
+		output=$(env LANGUAGE=en_US bwrap --dev-bind / / --bind '/opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list' /etc/apt/sources.list.d/sparkstore.list apt list --upgradable -o Dir::Etc::sourcelist="sources.list.d/sparkstore.list" -o Dir::Etc::sourceparts="/dev/null" -o APT::Get::List-Cleanup="0" | awk NR\>1)
+
+		IFS_OLD="$IFS"
+		IFS=$'\n'
+
+		for line in $output ; do
+			PKG_NAME=$(echo $line | awk -F '/' '{print $1}')
+			PKG_NEW_VER=$(echo $line | awk -F ' ' '{print $2}')
+			PKG_CUR_VER=$(echo $line | awk -F ' ' '{print $6}' | awk -F ']' '{print $1}')
+			echo "${PKG_NAME} ${PKG_NEW_VER} ${PKG_CUR_VER}"
+		done
+
+		IFS="$IFS_OLD"
 	;;
+
 	upgrade-app)
-	aptss install "${@:2}" --only-upgrade 2>&1 | tee /tmp/spark-store-app-upgrade-log.txt
-	IS_UPGRADE_ERROR=`cat /tmp/spark-store-app-upgrade-log.txt | grep "Package manager quit with exit code."`
-	echo "$IS_UPGRADE_ERROR" > /tmp/spark-store-app-upgrade-status.txt
+		aptss install "${@:2}" --only-upgrade 2>&1 | tee /tmp/spark-store-app-upgrade-log.txt
+		IS_UPGRADE_ERROR=`cat /tmp/spark-store-app-upgrade-log.txt | grep "Package manager quit with exit code."`
+		echo "$IS_UPGRADE_ERROR" > /tmp/spark-store-app-upgrade-status.txt
 	;;
 	
 	clean-log)
-	rm -f /tmp/spark-store-app-ssupdate-status.txt /tmp/spark-store-app-ssupdate-log.txt /tmp/spark-store-app-upgrade-log.txt /tmp/spark-store-app-upgrade-status.txt
+		rm -f /tmp/spark-store-app-ssupdate-status.txt /tmp/spark-store-app-ssupdate-log.txt /tmp/spark-store-app-upgrade-log.txt /tmp/spark-store-app-upgrade-status.txt
 	;;
 esac
diff --git a/tool/update-upgrade/ss-do-upgrade.sh b/tool/update-upgrade/ss-do-upgrade.sh
index 02b6ef5..506967a 100755
--- a/tool/update-upgrade/ss-do-upgrade.sh
+++ b/tool/update-upgrade/ss-do-upgrade.sh
@@ -1,58 +1,81 @@
 #!/bin/bash
 
 touch /tmp/spark-store/upgradeStatus.txt
-pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh ssupdate | zenity --progress --auto-close --pulsate --no-cancel  --text="正在检查更新，请稍候..." --height 70 --width 400 --title="星火商店更新模块" --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
 
-if [ -z `cat /tmp/spark-store-app-ssupdate-status.txt` != "0" ];then
-echo "无错误"
+# 执行 apt update
+pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh ssupdate | zenity --progress --auto-close --pulsate --no-cancel --text="正在检查更新，请稍候..." --height 70 --width 400 --title="星火商店更新模块" --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
+
+if [ -z `cat /tmp/spark-store-app-ssupdate-status.txt` ] ; then
+	echo "无错误"
+	pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh clean-log
 else
-zenity --error  --text "检查更新进程出现错误！按确定查看报错，可用于反馈" --title "星火商店更新检测模块" --height 200 --width 350 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
-zenity --text-info --filename=/tmp/spark-store-app-ssupdate-log.txt --checkbox="我已复制了此文本框中的日志，且将会在反馈时附上 。反馈渠道可以在右上角菜单的设置中找到" --title="反馈渠道在商店右上角的设置里" --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
-pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh clean-log
-exit 
+	zenity --error --text "检查更新进程出现错误！按确定查看报错，可用于反馈" --title "星火商店更新检测模块" --height 200 --width 350 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
+	zenity --text-info --filename=/tmp/spark-store-app-ssupdate-log.txt --checkbox="我已复制了此文本框中的日志，且将会在反馈时附上。反馈渠道可以在右上角菜单的设置中找到" --title="反馈渠道在商店右上角的设置里" --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
+	pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh clean-log
+	exit
 fi
-pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh clean-log
 
-PKG_LIST="$(pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh upgradable-list)" 
-####如果没更新，就弹出不需要更新
-if [ -z "$PKG_LIST" ];then
-zenity --info  --text "没有软件需要更新\n但是你并没有站在世界之巅" --title "星火商店更新检测模块" --height 150 --width 300 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
+# 获取可更新应用列表
+PKG_LIST="$(pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh upgradable-list)"
+## 如果没更新，就弹出不需要更新
+if [ -z "$PKG_LIST" ] ; then
+	zenity --info --text "没有软件需要更新\n但是你并没有站在世界之巅" --title "星火商店更新检测模块" --height 150 --width 300 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
 else
-PKG_UPGRADE_LIST=`for PKG_NAME in $PKG_LIST;
-do
-#### 检测是否是hold状态
-	if [ "$(dpkg-query -W -f='${Status}' $PKG_NAME | grep hold)" = "" ];then
-       echo "true"
-       echo "$PKG_NAME"
-       echo "$PKG_NAME"
-	else
-	echo "false"
-	echo "$PKG_NAME（无法更新：已被标记为保留）"
-	echo "$PKG_NAME"
+	## 获取用户选择的要更新的应用
+	### 指定分隔符为 \n
+	IFS_OLD="$IFS"
+	IFS=$'\n'
+
+	PKG_UPGRADE_LIST=`for line in $PKG_LIST ; do
+	PKG_NAME=$(echo $line | awk -F ' ' '{print $1}')
+	PKG_NEW_VER=$(echo $line | awk -F ' ' '{print $2}')
+	PKG_CUR_VER=$(echo $line | awk -F ' ' '{print $3}')
+
+	dpkg --compare-versions $PKG_NEW_VER le $PKG_CUR_VER
+	if [ $? -eq 0 ] ; then
+		continue
 	fi
-done | zenity --list --text="选择你想更新的应用" --column=是否更新 --column=应用包名 --column="真的应用包名" --separator=" " --checklist --print-column=3 --multiple --height 350 --width 550 --hide-column=3 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg` 
+	#### 检测是否是 hold 状态
+	PKG_STA=$(dpkg-query -W -f='${db:Status-Want}' $PKG_NAME)
+	if [ "$PKG_STA" != "hold" ] ; then
+		echo "true"
+		echo "$PKG_NAME"
+		echo "$PKG_NEW_VER"
+		echo "$PKG_CUR_VER"
+	else
+		echo "false"
+		echo "$PKG_NAME（无法更新：已被标记为保留）"
+		echo "$PKG_NEW_VER"
+		echo "$PKG_CUR_VER"
+	fi
+done`
 
-#### 如果没有选择，则直接退出
+	### 还原分隔符
+	IFS="$IFS_OLD"
 
-if [ "$PKG_UPGRADE_LIST" = "" ];then
-zenity --info  --text "没有选中任何软件\n但是你并没有站在世界之巅" --title "星火商店更新检测服务" --height 150 --width 300 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
-else
-
-pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh upgrade-app $PKG_UPGRADE_LIST -y | zenity --progress --auto-close --no-cancel --pulsate --text=正在更新已选中的应用，请稍候... --height 70 --width 400 --title="星火商店更新模块" --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
-
-if [ -z "`cat /tmp/spark-store-app-upgrade-status.txt`"  ];then
-
-zenity --info  --text "选中的软件已经更新完毕" --title "星火商店更新检测模块" --height 150 --width 300 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
-else
-zenity --error  --text "更新出现错误！按确定查看报错，可用于反馈" --title "星火商店更新检测模块" --height 200 --width 350 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
-zenity --text-info --filename=/tmp/spark-store-app-upgrade-log.txt --checkbox="我已复制了此文本框中的日志，且将会在反馈时附上 。反馈渠道可以在右上角菜单的设置中找到" --title="反馈渠道在商店右上角的设置里往下拉" --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
-fi
-
-
-
-fi
+	## 如果没有应用需要更新，则直接退出
+	if [ -z "$PKG_UPGRADE_LIST" ] ; then
+		zenity --info --text "没有软件需要更新\n但是你并没有站在世界之巅" --title "星火商店更新检测服务" --height 150 --width 300 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
+	else
+		PKG_UPGRADE_LIST=$(echo "$PKG_UPGRADE_LIST" | zenity --list --text="选择你想更新的应用" --column="是否更新" --column="包名" --column="新版本" --column="从该版本更新" --separator=" " --checklist --multiple --print-column=4 --height 350 --width 550 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg)
+		## 如果没有选择，则直接退出
+		if [ -z "$PKG_UPGRADE_LIST" ] ; then
+			zenity --info --text "没有选中任何软件\n但是你并没有站在世界之巅" --title "星火商店更新检测服务" --height 150 --width 300 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
+		else
+			### 更新用户选择的应用
+			pkexec /opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh upgrade-app $PKG_UPGRADE_LIST -y | zenity --progress --auto-close --no-cancel --pulsate --text="正在更新已选中的应用，请稍候..." --height 70 --width 400 --title="星火商店更新模块" --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
 
+			#### 更新成功
+			if [ -z "`cat /tmp/spark-store-app-upgrade-status.txt`" ] ; then
+				zenity --info --text "选中的软件已经更新完毕" --title "星火商店更新检测模块" --height 150 --width 300 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
+			else
+			#### 更新异常
+				zenity --error --text "更新出现错误！按确定查看报错，可用于反馈" --title "星火商店更新检测模块" --height 200 --width 350 --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
+				zenity --text-info --filename=/tmp/spark-store-app-upgrade-log.txt --checkbox="我已复制了此文本框中的日志，且将会在反馈时附上 。反馈渠道可以在右上角菜单的设置中找到" --title="反馈渠道在商店右上角的设置里往下拉" --window-icon=/usr/share/icons/hicolor/scalable/apps/spark-store.svg
+			fi
+		fi
+	fi
 fi
 
 rm -f touch /tmp/spark-store/upgradeStatus.txt
-####从最开头
+# 从最开头
diff --git a/tool/update-upgrade/ss-update-notifier.sh b/tool/update-upgrade/ss-update-notifier.sh
index 6b74858..a220741 100755
--- a/tool/update-upgrade/ss-update-notifier.sh
+++ b/tool/update-upgrade/ss-update-notifier.sh
@@ -1,96 +1,93 @@
 #!/bin/bash
-set -e
-LANG=en.US
+LANGUAGE=en_US
 
+# 发送通知
 function notify-send() {
-    #Detect the name of the display in use
+    # Detect name of the display in use
     local display=":$(ls /tmp/.X11-unix/* | sed 's#/tmp/.X11-unix/X##' | head -n 1)"
 
-    #Detect the user using such display
+    # Detect user using the display
     local user=$(who | grep '('$display')' | awk '{print $1}' | head -n 1)
 
-    #Detect the id of the user
+    # Detect uid of the user
     local uid=$(id -u $user)
 
-    sudo -u $user DISPLAY=$display DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$uid/bus notify-send "$@"
+    su -u $user DISPLAY=$display DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/${uid}/bus notify-send "$@"
 }
 
-#检测网络链接畅通
+# 检测网络链接畅通
 function network()
 {
-    #超时时间
+    # 超时时间
     local timeout=15
 
-    #目标网站
+    # 目标网站
     local target=www.baidu.com
 
-    #获取响应状态码
+    # 获取响应状态码
     local ret_code=`curl -I -s --connect-timeout ${timeout} ${target} -w %{http_code} | tail -n1`
 
-    if [ "x$ret_code" = "x200" ]; then
-        #网络畅通
+    if [ "x$ret_code" = "x200" ] ; then
+        # 网络畅通
         return 0
     else
-        #网络不畅通
+        # 网络不畅通
         return 1
     fi
-
-    return 0
 }
 
 network
-if [ $? -eq 1 ];then
-	echo "Network fail. Stop to avoid bother dpkg"
-	exit -1
+if [ $? -ne 0 ] ; then
+    echo "Network fail. Stop to avoid bother dpkg"
+    exit -1
 fi
 
-#The code above is modified from https://blog.csdn.net/yaxuan88521/article/details/120516298
+# The code above is modified from https://blog.csdn.net/yaxuan88521/article/details/120516298
 
-curl --progress-bar -o /opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list "https://gitee.com/deepin-community-store/repo_auto_update_script/raw/master/mirror-list-for-apt-fast/sources.list.d/sparkstore.list"
 # 每日更新星火源文件
-mkdir -p /etc/apt/preferences.d
-touch /etc/apt/preferences.d/sparkstore
-cat << EOF >/etc/apt/preferences.d/sparkstore
-Package: *
-Pin: origin *.deepinos.org.cn
-Pin-Priority: 100
-
-EOF
+curl --progress-bar -o /opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list "https://gitee.com/deepin-community-store/repo_auto_update_script/raw/master/mirror-list-for-apt-fast/sources.list.d/sparkstore.list"
 
 updatetext=`aptss ssupdate`
-
-rm /etc/apt/preferences.d/sparkstore
-
-
 isupdate=`echo ${updatetext: -5}`
-if [ "$isupdate" = "date." ];then
-exit 0 
+if [ "$isupdate" = "date." ] ; then
+    exit 0
 fi
-#### 从这里开始，只有检测到了更新才会进行
 
+## 从这里开始，只有检测到了更新才会进行
 update_app_number=`echo ${updatetext%package*} #从右向左截取第一个 src 后的字符串`
 update_app_number=`echo ${update_app_number##*information...}`
 
+# 获取用户选择的要更新的应用
+PKG_LIST="$(/opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade-worker.sh upgradable-list)"
+# 指定分隔符为 \n
+IFS_OLD="$IFS"
+IFS=$'\n'
 
-PKG_LIST="$(bwrap --dev-bind / / --bind '/opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list' /etc/apt/sources.list.d/sparkstore.list apt list --upgradable -o Dir::Etc::sourcelist="sources.list.d/sparkstore.list"     -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0" | awk 'BEGIN {FS="/"} {print $1}' | awk NR\>1)" 
+for line in $PKG_LIST ; do
+    PKG_NAME=$(echo $line | awk -F ' ' '{print $1}')
+    PKG_NEW_VER=$(echo $line | awk -F ' ' '{print $2}')
+    PKG_CUR_VER=$(echo $line | awk -F ' ' '{print $3}')
 
+    dpkg --compare-versions $PKG_NEW_VER le $PKG_CUR_VER
 
+    if [ $? -eq 0 ] ; then
+        let update_app_number=$update_app_number-1
+        continue
+    fi
 
-for PKG_NAME in $PKG_LIST;do
-if [ "$(dpkg-query -W -f='${Status}' $PKG_NAME | grep hold)" != "" ];then
-       let update_app_number=$update_app_number-1
-	echo $update_app_number
-	echo $PKG_NAME 
-fi
+    ## 检测是否是 hold 状态
+    PKG_STA=$(dpkg-query -W -f='${db:Status-Want}' $PKG_NAME)
+    if [ "$PKG_STA" = "hold" ] ; then
+        let update_app_number=$update_app_number-1
+    fi
 done
 
+# 还原分隔符
+IFS="$IFS_OLD"
 
-
-if [ $update_app_number -lt 1 ];then
-exit
+if [ $update_app_number -le 0 ] ; then
+    exit 0
 fi
-#### 如果都是hold的那就直接退出，否则把剩余的给提醒了
-
-notify-send -i spark-store "星火更新提醒" "星火商店仓库中有$update_app_number个软件包可以更新啦！请到星火商店的菜单处理"
-
 
+## 如果都是hold或者版本一致的那就直接退出，否则把剩余的给提醒了
+notify-send -a spark-store "星火更新提醒" "星火商店仓库中有$update_app_number个软件包可以更新啦！请到星火商店的菜单处理"