diff --git a/ProxyCat-EN/ProxyCat-V1.8.py b/ProxyCat-EN/ProxyCat-V1.8.py
index 89bb579..3bb7fa2 100644
--- a/ProxyCat-EN/ProxyCat-V1.8.py
+++ b/ProxyCat-EN/ProxyCat-V1.8.py
@@ -68,7 +68,17 @@ def load_proxies(file_path: str = 'ip.txt') -> List[str]:
 
 def is_valid_proxy(proxy: str) -> bool:
     pattern = re.compile(
-        r'^((25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)\.){3}(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d):([1-9]|[1-9]\d{1,4}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5])$|^([a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}:( [1-9]|[1-9]\d{1,4}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5])$'
+        r'^(http|https|socks5)://'
+        r'('
+            r'(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)\.'
+            r'(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)\.'
+            r'(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)\.'
+            r'(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)'
+            r'|'
+            r'([a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}'
+        r')'
+        r':'
+        r'(6553[0-5]|655[0-2]\d|65[0-4]\d{2}|6[0-4]\d{3}|[1-5]\d{4}|\d{1,4})$'
     )
     return bool(pattern.match(proxy))
 
@@ -643,4 +653,4 @@ if __name__ == '__main__':
     try:
         asyncio.run(main())
     except KeyboardInterrupt:
-        logging.info("Program interrupted by user")
\ No newline at end of file
+        logging.info("Program interrupted by user")