diff --git a/app.py b/app.py
index 6faedc6..a333776 100644
--- a/app.py
+++ b/app.py
@@ -7,7 +7,7 @@
 
 
 import time
-# from gevent import pywsgi
+from gevent import pywsgi
 from flask import Flask
 from flask import request
 from flask import Response
@@ -92,9 +92,9 @@ def index():
 
 if __name__ == '__main__':
     print('服务器已在 http://127.0.0.1:5000 运行')
-    app.run()
-    # try:
-    #     server = pywsgi.WSGIServer(('0.0.0.0', 5000), app)
-    #     server.serve_forever()
-    # except OSError:
-    #     print('5000 端口被占用')
+    # app.run()
+    try:
+        server = pywsgi.WSGIServer(('0.0.0.0', 5000), app)
+        server.serve_forever()
+    except OSError:
+        print('5000 端口被占用')
diff --git a/requirements.txt b/requirements.txt
index d082c15..372a230 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 Flask~=2.0.2
 requests~=2.27.1
-gunicorn
\ No newline at end of file
+gunicorn
+gevent~=21.12.0
\ No newline at end of file