diff --git a/debian/changelog b/debian/changelog
index f363937..66958a7 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -5,6 +5,8 @@ spark-store (3.1.3-2) stable; urgency=medium
   * 调整 现在与系统更新分开，不再导致更新失败
   * 支持直接更新软件源文件，不再让d.吃全部更新流量
   * ss-apt-fast不再强制root权限
+  * 修改ss-apt-fast的策略，现在除了安装，下载和更新都改用apt
+  * ssinstall 现在也会在不适用ss-apt-fast的时候模拟源了（针对UOS）
 
 
  -- shenmo <shenmo@spark-app.store>  Fri, 30 Jan 2022 00:00:00 +0800
diff --git a/tool/ss-apt-fast b/tool/ss-apt-fast
index 311b5b6..d9827cd 100755
--- a/tool/ss-apt-fast
+++ b/tool/ss-apt-fast
@@ -1,33 +1,42 @@
 #/bin/bash
 
 
-DEPEND=`which  apt-fast`
-if [ "$DEPEND" = "" ] ; then 
-echo "未安装依赖：apt-fast 开始安装"
-sudo apt install apt-fast -y
-fi
 
+
+if  [ "$1" = "install" ] || [ "$1" = "upgrade" ] || [ "$1" = "download" ] ; then
+
+###刷新apt-fast配置
 mkdir -p /tmp/ss-apt-fast-conf/sources.list.d
 # 创建文件夹
 echo "从服务器获取配置和镜像列表..."
 echo "Getting server and mirror lists..."
 echo
-
 curl --progress-bar -o /tmp/ss-apt-fast-conf/apt-fast.conf "https://gitee.com/deepin-community-store/repo_auto_update_script/raw/master/mirror-list-for-apt-fast/apt-fast.conf"
-
-
 chmod -R 755 /tmp/ss-apt-fast-conf
 
-if [[ $1 == "policy" ]]; then
-        bwrap --dev-bind / / \
+
+DEPEND=`which  apt-fast`
+if [ "$DEPEND" = "" ] ; then 
+echo "未安装依赖：apt-fast 开始安装"
+sudo 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 update && sudo 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 install apt-fast -y
+fi
+###执行安装
+bwrap --dev-bind / / \
                    --bind '/tmp/ss-apt-fast-conf/apt-fast.conf' /etc/apt-fast.conf \
                    --bind '/opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list' /etc/apt/sources.list.d/sparkstore.list \
-                apt "$@"
-else
-	bwrap --dev-bind / / \
-		   --bind '/tmp/ss-apt-fast-conf/apt-fast.conf' /etc/apt-fast.conf \
-		   --bind '/opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list' /etc/apt/sources.list.d/sparkstore.list \
                 apt-fast "$@"
-fi
 
 rm -rf  /tmp/ss-apt-fast-conf
+
+elif [ "$1" = "ssupdate" ];then
+sudo curl --progress-bar -o /opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list "https://gitee.com/deepin-community-store/repo_auto_update_script/raw/master/mirror-list-for-apt-fast/sources.list.d/sparkstore.list"
+sudo bwrap --dev-bind / / --bind '/opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list' /etc/apt/sources.list.d/sparkstore.list apt update -o Dir::Etc::sourcelist="sources.list.d/sparkstore.list"     -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0"
+#只更新星火源
+
+else
+	bwrap --dev-bind / / \
+		   --bind '/opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/sparkstore.list' /etc/apt/sources.list.d/sparkstore.list \
+                apt "$@"
+fi
+
+
diff --git a/tool/ssinstall b/tool/ssinstall
index 38e3369..258c8c4 100755
--- a/tool/ssinstall
+++ b/tool/ssinstall
@@ -48,24 +48,19 @@ if [ "$(id -u)" != "0" ];then
 #############################无root权限时
 
 
-IS_INSTALLED=`which apt-fast`
-if [ "$IS_INSTALLED" = "" ] ; then 
-echo "未安装依赖：apt-fast 开始安装"
-echo "$upass" | sudo -S apt install apt-fast -y
-fi
-
-
 
 if [ "$DEPEND" != "" ]  && [ "$isuos" != "" ]; then
 echo "UOS中系统依赖无法使用第三方下载工具，放弃使用apt-fast"
 echo ----------------------------------------------------------------------------------
-echo "$upass" | sudo -S dpkg -i $1 || sudo apt install -yf 
+echo "$upass" | sudo -S dpkg -i $1 || sudo ss-apt-fast ssupdate && sudo 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 install -yf
+
+
 fi
 
 if  [ "$DEPEND" != "" ]  && [ "$isuos" = "" ]; then
 echo "检测到apt-fast，使用ss-apt-fast进行多线程下载加速"
 echo ----------------------------------------------------------------------------------
-echo "$upass" | sudo -S dpkg -i $1 || sudo ss-apt-fast install -yf 
+echo "$upass" | sudo -S dpkg -i $1 || sudo ss-apt-fast ssupdate && sudo ss-apt-fast install -yf 
 fi
 
 
@@ -77,23 +72,17 @@ else
 
 
 
-IS_INSTALLED=`which  apt-fast`
-if [ "$IS_INSTALLED" = "" ] ; then 
-echo "未安装依赖：apt-fast 开始安装"
-apt install apt-fast -y
-fi
-
 
 if [ "$DEPEND" != "" ]  && [ "$isuos" != "" ]; then
 echo "UOS中系统依赖无法使用第三方下载工具，放弃使用apt-fast"
 echo ----------------------------------------------------------------------------------
-dpkg -i $1 || apt install -yf 
+dpkg -i $1 || ss-apt-fast ssupdate && 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 update && sudo 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 install -yf
 fi
 
 if  [ "$DEPEND" != "" ]  && [ "$isuos" = "" ]; then
 echo "检测到apt-fast，使用ss-apt-fast进行多线程下载加速"
 echo ----------------------------------------------------------------------------------
-dpkg -i $1 || ss-apt-fast install -yf 
+dpkg -i $1 || ss-apt-fast ssupdate && ss-apt-fast install -yf 
 fi
 
 
diff --git a/tool/update-upgrade/ss-update-controler.sh b/tool/update-upgrade/ss-update-controler.sh
index 9ad2c48..09c70f6 100755
--- a/tool/update-upgrade/ss-update-controler.sh
+++ b/tool/update-upgrade/ss-update-controler.sh
@@ -73,8 +73,7 @@ case $option in
 	2)
 	echo "请注意：如果有些更新需要从系统获取更多依赖，你将需要手动操作 sudo ss-apt-fast upgrade"
 	echo "执行以下操作需要授权..."
-	sudo 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"
-	sudo 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 update -o Dir::Etc::sourcelist="sources.list.d/sparkstore.list"     -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0"
+	sudo ss-apt-fast ssupdate
     /opt/durapps/spark-store/bin/update-upgrade/ss-upgrade-list.sh
 	/opt/durapps/spark-store/bin/update-upgrade/ss-do-upgrade.sh
 	echo "---请按回车返回"
diff --git a/tool/update-upgrade/ss-update-notify-placer.sh b/tool/update-upgrade/ss-update-notify-placer.sh
index 244b738..ba0977a 100755
--- a/tool/update-upgrade/ss-update-notify-placer.sh
+++ b/tool/update-upgrade/ss-update-notify-placer.sh
@@ -39,7 +39,7 @@ fi
 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
 
-updatetext=`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 update -o Dir::Etc::sourcelist="sources.list.d/sparkstore.list"     -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0"`
+updatetext=`ss-apt-fast ssupdate`
 
 
 mkdir -p /tmp/spark-store-updatenum/