diff --git a/UA2F/scripts/requirements.txt b/UA2F/scripts/requirements.txt
index 75cc57369..1e9c09fb4 100644
--- a/UA2F/scripts/requirements.txt
+++ b/UA2F/scripts/requirements.txt
@@ -1,4 +1,5 @@
 requests
 fake-useragent
 tqdm
-systemd-python
\ No newline at end of file
+fastapi
+uvicorn
\ No newline at end of file
diff --git a/UA2F/scripts/test.py b/UA2F/scripts/test.py
index 6cdcb2449..d5b7b1d58 100644
--- a/UA2F/scripts/test.py
+++ b/UA2F/scripts/test.py
@@ -9,43 +9,43 @@ import subprocess
 import sys
 import threading
 import time
+from http.server import HTTPServer, BaseHTTPRequestHandler
 
 import requests
 from fake_useragent import UserAgent
 from tqdm import tqdm
+from fastapi import FastAPI, Request
+from fastapi.responses import Response
+from fastapi.staticfiles import StaticFiles
+from uvicorn import Config, Server
 
 ua = UserAgent()
 
 PORT = 37491
 
 
-class MyHandler(http.server.SimpleHTTPRequestHandler):
-    def log_message(self, format, *args):
-        pass
+app = FastAPI()
 
-    def do_GET(self):
-        user_agent = self.headers.get('User-Agent')
+@app.get("/")
+async def root(request: Request):
+    user_agent = request.headers.get("user-agent")
 
-        # assert user_agent only contains F
-        if not all([c == 'F' for c in user_agent]):
-            self.send_response(400)
-            logging.error(f"Invalid User-Agent: {user_agent}")
-        else:
-            self.send_response(200)
-        self.end_headers()
-        ua_len = len(user_agent)
-        self.wfile.write(str(ua_len).encode())
+    if not all(c == 'F' for c in user_agent):
+        return Response(status_code=400)
 
+    return Response(content=str(len(user_agent)).encode())
 
 def start_server():
-    with socketserver.TCPServer(('', PORT), MyHandler, bind_and_activate=False) as httpd:
-        httpd.socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0)
-        httpd.server_bind()
-        httpd.server_activate()
-        print(f"Serving on port {PORT}")
-        httpd.serve_forever()
-        atexit.register(httpd.shutdown)
-
+    config4 = Config(app=app, host="127.0.0.1", port=PORT, access_log=False)
+    config6 = Config(app=app, host="::1", port=PORT, access_log=False)
+    server4 = Server(config4)
+    server6 = Server(config6)
+    t4 = threading.Thread(target=server4.run)
+    t4.daemon = True
+    t6 = threading.Thread(target=server6.run)
+    t6.daemon = True
+    t4.start()
+    t6.start()
 
 def start_ua2f(u: str):
     p = subprocess.Popen([u])
@@ -73,11 +73,7 @@ if __name__ == "__main__":
 
     setup_iptables()
 
-    server_thread = threading.Thread(target=start_server)
-    server_thread.daemon = True
-    server_thread.start()
-
-    print(f"Starting server on port {PORT}")
+    start_server()
 
     ua2f_thread = threading.Thread(target=start_ua2f, args=(ua2f,))
     ua2f_thread.daemon = True
@@ -87,7 +83,7 @@ if __name__ == "__main__":
 
     time.sleep(3)
 
-    for i in tqdm(range(2000)):
+    for i in tqdm(range(1024)):
         nxt = ua.random
         response = requests.get(f"http://127.0.0.1:{PORT}", headers={
             "User-Agent": nxt
@@ -95,7 +91,7 @@ if __name__ == "__main__":
         assert response.ok
         assert response.text == str(len(nxt))
 
-    for i in tqdm(range(2000)):
+    for i in tqdm(range(4096)):
         nxt = ua.random
         response = requests.get(f"http://[::1]:{PORT}", headers={
             "User-Agent": nxt