Update app.py

app.py

@@ -5,11 +5,11 @@ import requests
 import json
 import random
 import uuid
-import concurrent.futures
+import concurrent.fu
 import base64
 import io
 import threading
-from PIL import Image
+from PIL import Imagetures
 from datetime import datetime, timedelta
 from apscheduler.schedulers.background import BackgroundScheduler
 from flask import Flask, request, jsonify, Response, stream_with_context
@@ -365,17 +365,16 @@ def get_all_models(api_key, sub_type):
         )
         return []
 
-def determine_request_type(model_name, text_models, free_text_models, image_models, free_image_models):
-    if model_name in text_models:
-        return "text"
-    elif model_name in free_text_models:
-        return "free_text"
-    elif model_name in image_models:
-      return "image"
-    elif model_name in free_image_models:
-        return "free_image"
+def determine_request_type(model_name, model_list, free_model_list):
+    """
+    根据用户请求的模型判断请求类型。
+    """
+    if model_name in free_model_list:
+        return "free"
+    elif model_name in model_list:
+        return "paid"
     else:
-        return None
+        return "unknown"
 
 def select_key(request_type, model_name):
     """