Update app.py

app.py

@@ -17,7 +17,7 @@ model = os.getenv("MODEL_NAME")
 # 代理服务器配置
 PROXY_BASE_URL = os.getenv("PROXY_API_BASE", "http://localhost:8000")
 PROXY_TIMEOUT = int(os.getenv("PROXY_TIMEOUT", 30))
-MAX_RETRIES = int(os.getenv("MAX_RETRIES", 3))
+MAX_RETRIES = int(os.getenv("MAX_RETRIES", 5))
 # 保存历史
 save_history = True
 
@@ -165,7 +165,7 @@ def chat_with_retry(history_messages, max_retries=MAX_RETRIES):
             
             if attempt < max_retries - 1:
                 # 指数退避
-                wait_time = 2 ** attempt
+                wait_time = min(2 ** attempt, 4)
                 logger.info(f"Retrying in {wait_time} seconds...")
                 time.sleep(wait_time)
             else: