diff --git a/debian/changelog b/debian/changelog
index bbbd59c..e85e7f9 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -10,6 +10,8 @@ spark-store (4.1.2) stable; urgency=medium
   * fix: 适配c11代码规范，消除qt编译警告
   * fix: 默认服务器域名指向cdn域名
   * fix: 消除内部函数的无用变量，限制作用域
+  * feat: aptss 除ssupdate外的操作时候如果检测到存在源文件存在则不再重复获取
+  * fix: 修复在apt list锁被锁定的时候异常弹出有更新可用
 
   * chore: 添加 Application 类，继承 DApplication，将 main 函数中设置属性、关于信息等操作移至 Application 构造函数中进行
   * chore: 添加 setOrganizationName 操作，设置组织名称为 spark-union，与 SWRT 保持一致
diff --git a/tool/aptss b/tool/aptss
index 1a2b761..563c40f 100755
--- a/tool/aptss
+++ b/tool/aptss
@@ -18,8 +18,10 @@ fi
 
 if  [ "$1" = "install" ] || [ "$1" = "upgrade" ] || [ "$1" = "full-upgrade" ] ; then
 
-
-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"
+if [ ! -e "/var/lib/apt/lists/d.store.deepinos.org.cn_Packages" ];then
+echo "接收星火仓库软件信息中..."
+aptss ssupdate
+fi
 
 ###执行
 bwrap --dev-bind / / \
@@ -38,13 +40,18 @@ bwrap --dev-bind / / \
 
 
 elif [ "$1" = "policy" ] || [ "$1" = "search" ];then
-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"
+
+
+if [ ! -e "/var/lib/apt/lists/d.store.deepinos.org.cn_Packages" ];then
+echo "接收星火仓库软件信息中..."
+aptss ssupdate
+fi
 
 ###执行
 bwrap --dev-bind / / \
                    --bind '/tmp/aptss-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 "$@" --allow-downgrades 
+                apt "$@" 
 
 elif [ "$1" = "ssupdate" ];then
 
diff --git a/tool/update-upgrade/ss-update-notifier.sh b/tool/update-upgrade/ss-update-notifier.sh
index 0febe57..271ea9c 100755
--- a/tool/update-upgrade/ss-update-notifier.sh
+++ b/tool/update-upgrade/ss-update-notifier.sh
@@ -47,9 +47,19 @@ fi
 # 每日更新星火源文件
 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"
 
-sleep 10
 
-updatetext=`aptss ssupdate`
+
+updatetext=`aptss ssupdate 2>&1`
+
+until [ "`echo $updatetext | grep E: `" = "" ];do
+echo "更新出现异常状况，等待十五秒"
+sleep 15
+updatetext=`aptss ssupdate 2>&1`
+
+
+
+done
+
 isupdate=`echo ${updatetext: -5}`
 if [ "$isupdate" = "date." ] ; then
     exit 0