diff --git a/addons/builtin/ssh22.py b/addons/builtin/ssh22.py
index ddd7d32..8279232 100644
--- a/addons/builtin/ssh22.py
+++ b/addons/builtin/ssh22.py
@@ -44,7 +44,7 @@ async def fetch_ssh(collector, session: aiohttp.ClientSession, proxy: str = None
             paddr = conn._proxy_host
             pport = conn._proxy_port
         else:
-            parsed = proxy.lstrip("http://").rstrip("/").split(":")
+            parsed = proxy.removeprefix("http://").rstrip("/").split(":")
             paddr = parsed[0]
             pport = int(parsed[1])
 
diff --git a/utils/cleaner.py b/utils/cleaner.py
index aa535a9..2aa477d 100644
--- a/utils/cleaner.py
+++ b/utils/cleaner.py
@@ -1758,7 +1758,7 @@ def unzip_targz(input_file: Union[str, Path], output_path: Union[str, Path]) ->
     """解压 tar.gz 文件, 返回解压后的文件名称列表"""
     unzip_files = []
     try:
-        temp_path = str(input_file).rstrip(".gz")
+        temp_path = str(input_file).removesuffix(".gz")
         path = Path(input_file)
         path2 = Path(output_path)
         with gzip.open(path, 'rb') as f_in, open(temp_path, 'wb') as f_out:
diff --git a/utils/websocket/ws_server.py b/utils/websocket/ws_server.py
index e2867e2..fa3f58a 100644
--- a/utils/websocket/ws_server.py
+++ b/utils/websocket/ws_server.py
@@ -213,7 +213,7 @@ async def main():
     if not isinstance(bindaddr, str):
         logger.error("绑定地址解析错误，请重试!")
         sys.exit()
-    ba = bindaddr.lstrip('http:').strip('/').split(':')
+    ba = bindaddr.removeprefix('http:').strip('/').split(':')
     try:
         if len(ba) != 2:
             logger.error("绑定地址解析错误，请重试!")