diff --git a/python-leetcode/laozhang/tree/leetcode_193_.sh b/python-leetcode/laozhang/tree/leetcode_193_.sh
deleted file mode 100644
index 2f2b73bc1a0b750bd2d5e030562a52dc5be98499..0000000000000000000000000000000000000000
--- a/python-leetcode/laozhang/tree/leetcode_193_.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/bash
-
-# 可用
-egrep '^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-[0-9]{4}$' file.txt
-grep -E '^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-[0-9]{4}$' file.txt
-
-awk '/^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-([0-9]{4})$/' file.txt
-
-# Mac 不能用
-grep -P '^(\d{3}-|\(\d{3}\) )\d{3}-\d{4}$' file.txt
-sed -n -r '/^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-[0-9]{4}$/p' file.txt
-cat file.txt | grep -P '(^(\d{3})\s|^\d{3}-)\d{3}-\d{4}$'
-cat file.txt | grep -E '(^([0-9]{3})\s|^[0-9]{3}-)[0-9]{3}-[0-9]{4}$'