diff --git a/requirements.py b/requirements.py
index c2d749b..2c7b428 100644
--- a/requirements.py
+++ b/requirements.py
@@ -3,72 +3,31 @@
 import sys
 import argparse
 
-# use python type hints to make code more readable
-from typing import List, Optional
+parser = argparse.ArgumentParser(description='install requirements')
+parser.add_argument('--cuda', default=None, type=str)
+args = parser.parse_args()
+
+pkgs=f'''
+cython
+scikit-image
+loguru
+matplotlib
+tabulate
+tqdm
+pywin32
+PyAutoGUI
+opencv_python
+keyboard
+Pillow
+pymouse
+numpy==1.19.5
+torch==1.7.0+{"cpu" if args.cuda is None else "cu" + args.cuda} -f https://download.pytorch.org/whl/torch_stable.html
+torchvision==0.8.1+{"cpu" if args.cuda is None else "cu" + args.cuda} --no-deps -f https://download.pytorch.org/whl/torch_stable.html
+thop --no-deps
+git+https://github.com/philferriere/cocoapi.git#subdirectory=PythonAPI
+'''
+
+for line in pkgs.split('\n'):
+    if len(line)>0:
+        pip.main(['install', '--default-timeout=100', *line.split()])
 
-
-def pip_install(proxy: Optional[str], args: List[str]) -> None:
-    if proxy is None:
-        # pip.main(["install", f"--proxy={proxy}", *args])
-        subprocess.run(
-            [sys.executable, "-m", "pip", "install", *args],
-            capture_output=False,
-            check=True,
-        )
-    else:
-        subprocess.run(
-            [sys.executable, "-m", "pip", "install", f"--proxy={proxy}", *args],
-            capture_output=False,
-            check=True,
-        )
-
-
-def main():
-    parser = argparse.ArgumentParser(description="install requirements")
-    parser.add_argument("--cuda", default=None, type=str)
-    parser.add_argument(
-        "--proxy",
-        default=None,
-        type=str,
-        help="specify http proxy, [http://127.0.0.1:1080]",
-    )
-    args = parser.parse_args()
-
-    pkgs = f"""
-    cython
-    scikit-image
-    loguru
-    matplotlib
-    tabulate
-    tqdm
-    pywin32
-    PyAutoGUI
-    PyYAML>=5.3.1
-    opencv_python
-    keyboard
-    Pillow
-    pymouse
-    numpy==1.19.5
-    torch==1.7.0+{"cpu" if args.cuda is None else "cu" + args.cuda} -f https://download.pytorch.org/whl/torch_stable.html
-    torchvision==0.8.1+{"cpu" if args.cuda is None else "cu" + args.cuda} --no-deps -f https://download.pytorch.org/whl/torch_stable.html
-    thop --no-deps
-    git+https://github.com/philferriere/cocoapi.git#subdirectory=PythonAPI
-    """
-
-    for line in pkgs.split("\n"):
-        # handle multiple space in an empty line
-        line = line.strip()
-
-        if len(line) > 0:
-            # use pip's internal APIs in this way is deprecated. This will fail in a future version of pip.
-            # The most reliable approach, and the one that is fully supported, is to run pip in a subprocess.
-            # ref: https://pip.pypa.io/en/latest/user_guide/#using-pip-from-your-program
-            # pip.main(['install', *line.split()])
-
-            pip_install(args.proxy, line.split())
-
-    print("\nsuccessfully installed requirements!")
-
-
-if __name__ == "__main__":
-    main()