diff --git a/autoinstall/autoinstall.sh b/autoinstall/autoinstall.sh
index 66bafbf..85fede1 100755
--- a/autoinstall/autoinstall.sh
+++ b/autoinstall/autoinstall.sh
@@ -376,7 +376,7 @@ AppStop
 PrintBold "Updating packages list..."
 UpdatePackagesList
 PrintBold "Saving current configuration..."
-BackupCurrentConfig
+#BackupCurrentConfig
 PrintBold "Installing basic configuration..."
 InstallBaseConfig
 if [ $? -eq 0 ]; then
diff --git a/packages/19.07/ruantiblock_0.9.0-1_all.ipk b/packages/19.07/ruantiblock_0.9.0-1_all.ipk
index e03f8f0..6e60442 100644
Binary files a/packages/19.07/ruantiblock_0.9.0-1_all.ipk and b/packages/19.07/ruantiblock_0.9.0-1_all.ipk differ
diff --git a/ruantiblock/Makefile b/ruantiblock/Makefile
index ccf8dd2..fedf894 100644
--- a/ruantiblock/Makefile
+++ b/ruantiblock/Makefile
@@ -60,7 +60,7 @@ define Package/$(PKG_NAME)/preinst
 
 RUAB_CFG_DIR="/etc/ruantiblock"
 EXEC_DIR="/usr/bin"
-BACKUP_DIR="$${RUAB_CFG_DIR}/autoinstall.bak"
+BACKUP_DIR="$${RUAB_CFG_DIR}/autoinstall.bak.`date +%s`"
 FILE_CONFIG="$${RUAB_CFG_DIR}/ruantiblock.conf"
 FILE_FQDN_FILTER="$${RUAB_CFG_DIR}/ruab_fqdn_filter"
 FILE_IP_FILTER="$${RUAB_CFG_DIR}/ruab_ip_filter"