From 5e00a419df9cdc4b26637cd353e2b836301ed2bd Mon Sep 17 00:00:00 2001
From: Toperlock <861705708@qq.com>
Date: Thu, 13 Jun 2024 10:53:29 +0800
Subject: [PATCH] fix

---
 tool.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tool.py b/tool.py
index 506a263c1..ccc160003 100644
--- a/tool.py
+++ b/tool.py
@@ -206,7 +206,10 @@ def is_ip(str):
     return re.search(r'^\d+\.\d+\.\d+\.\d+$',str)
 
 def get_protocol(s):
-    m = re.search(r'^(.+?)://', s)
+    try:
+        m = re.search(r'^(.+?)://', s)
+    except Exception as e:
+        return None
     if m:
         if m.group(1) == 'hy2':
             s = re.sub(r'^(.+?)://', 'hysteria2://', s)
@@ -221,7 +224,6 @@ def get_protocol(s):
             s = re.sub(r'^(.+?)://', 'socks://', s)
             m = re.search(r'^(.+?)://', s)
         return m.group(1)
-    return None
 
 def checkKeywords(keywords,str):
     if not keywords: