update pay ui

app.py

@@ -1,28 +1,44 @@
-# ============ Gevent Monkey Patching（必须放在所有 import 之前！）============
-# 用于支持 Gunicorn + gevent 异步模式，使 requests 等阻塞调用变为非阻塞
-# 注意：如果使用 GeventWebSocketWorker，worker 会自动 patch，这里检测避免重复
+# ============ Eventlet/Gevent Monkey Patching（必须放在所有 import 之前！）============
+# 用于支持 Gunicorn + eventlet/gevent 异步模式，使 requests 等阻塞调用变为非阻塞
 import os
 import sys
 
-def _is_already_patched():
-    """检测是否已经被 gevent patch"""
+def _detect_async_env():
+    """检测当前异步环境"""
+    # 检测 eventlet
     try:
-        from gevent import monkey
-        return monkey.is_module_patched('socket')
-    except:
-        return False
-
-# 只在未被 patch 且明确启用时才 patch
-if os.environ.get('GEVENT_SUPPORT', 'false').lower() == 'true' and not _is_already_patched():
-    try:
-        from gevent import monkey
-        monkey.patch_all(thread=False, subprocess=False)  # 避免 patch 某些可能有问题的模块
-        print("✅ Gevent monkey patching 已启用 (手动)")
+        import eventlet
+        if hasattr(eventlet, 'is_monkey_patched') and eventlet.is_monkey_patched('socket'):
+            return 'eventlet_patched'
+        return 'eventlet_available'
     except ImportError:
-        print("⚠️ Gevent 未安装，跳过 monkey patching")
-elif _is_already_patched():
+        pass
+
+    # 检测 gevent
+    try:
+        from gevent import monkey
+        if monkey.is_module_patched('socket'):
+            return 'gevent_patched'
+        return 'gevent_available'
+    except ImportError:
+        pass
+
+    return 'none'
+
+_async_env = _detect_async_env()
+
+# Gunicorn eventlet worker 会自动 patch，这里只打印状态
+if _async_env == 'eventlet_patched':
+    print("✅ Eventlet monkey patching 已由 Worker 启用")
+elif _async_env == 'gevent_patched':
     print("✅ Gevent monkey patching 已由 Worker 启用")
-# ============ Gevent Monkey Patching 结束 ============
+elif _async_env == 'eventlet_available':
+    print("📡 Eventlet 可用，等待 Gunicorn worker 初始化")
+elif _async_env == 'gevent_available':
+    print("📡 Gevent 可用，等待 Gunicorn worker 初始化")
+else:
+    print("⚠️ 未检测到 eventlet 或 gevent，将使用 threading 模式")
+# ============ Monkey Patching 检测结束 ============
 
 import base64
 import csv