diff --git a/auto_backup.sh b/auto_backup.sh
index 79958df..f265de5 100644
--- a/auto_backup.sh
+++ b/auto_backup.sh
@@ -14,19 +14,23 @@ echo '[ok] backup nginx data...'
 
 ssh -p 2001 root@cancerai.top "cd /home/nginx && tar -czf - -p --atime-preserve ." 2> /dev/null > ${curr_dir}/nginx/${datetime}.tar.gz
 nginx_state=$?
+if [ ${nginx_state} -eq 0 ]; then
+	echo "[ok] backup nginx successful!"
+else
+	echo "[error] backup nginx error, the backup files was deleted"
+	rm -rf ${curr_dir}/nginx/${datetime}.tar.gz
+fi
 
 echo "[ok] backup git data..."
 ssh -p 2001 root@cancerai.top "cd /home/git && tar -czf - -p --atime-preserve ." 2> /dev/null > ${curr_dir}/git/${datetime}.tar.gz
 git_state=$?
-
-# if successful
-if [ ${nginx_state} -eq 0 ]; then
-	echo "[ok] backup successful!"
-	echo "[ok] current time: $(date +"%Y %m %d %H:%M:%S")"
-	echo "exit"
+if [ ${git_state} -eq 0 ]; then
+	echo "[ok] backup git successful!"
 else
-	echo "[error] backup error, the backup files was deleted"
+	echo "[error] backup git error, the backup files was deleted"
 	rm -rf ${curr_dir}/nginx/${datetime}.tar.gz
 	rm -rf ${curr_dir}/git/${datetime}.tar.gz
 fi
 
+echo "[ok] current time: $(date +"%Y %m %d %H:%M:%S")"
+echo "exit"