diff --git a/main.py b/main.py
index 5c051c6..97eb8c5 100644
--- a/main.py
+++ b/main.py
@@ -3,47 +3,31 @@
 import numpy as np
 import cv2
 import io
-import logging
 from decouple import config
 from queue import Queue
-from threading import Lock
-from time import sleep
-
-# 设置日志
-logging.basicConfig(level=logging.INFO)
 
 # 常量
 BOT_TOKEN = config('BOT_TOKEN')
 HUGGINGFACE_TOKEN = config('HUGGINGFACE_TOKEN')
 API_URL = config('API_URL')
 
-if not BOT_TOKEN or not HUGGINGFACE_TOKEN or not API_URL:
-    raise ValueError("请确保BOT_TOKEN, HUGGINGFACE_TOKEN和API_URL在环境变量中正确设置")
-
 # 创建机器人
 bot = telebot.TeleBot(BOT_TOKEN)
 bot.set_webhook()
 
-# 队列和锁
+# 队列
 queue = Queue()
-queue_lock = Lock()
 
 # 请求到stablediffusion
 headers = {"Authorization": f"Bearer {HUGGINGFACE_TOKEN}"}
 
-def stablediffusion(payload, retries=3):
-    for attempt in range(retries):
-        try:
-            response = requests.post(API_URL, headers=headers, json=payload)
-            response.raise_for_status()
-            return response.content
-        except requests.exceptions.RequestException as e:
-            if attempt < retries - 1:
-                logging.warning(f"stablediffusion请求错误: {str(e)}，重试中... ({attempt+1}/{retries})")
-                sleep(2)  # 等待一段时间后重试
-            else:
-                logging.error(f"stablediffusion请求错误: {str(e)}，重试次数用尽")
-                raise Exception(f"stablediffusion请求错误: {str(e)}")
+def stablediffusion(payload):
+    try:
+        response = requests.post(API_URL, headers=headers, json=payload)
+        response.raise_for_status()
+        return response.content
+    except requests.exceptions.RequestException as e:
+        raise Exception(f"stablediffusion请求错误: {str(e)}")
 
 def generate_image(message, user, prompt):
     try:
@@ -52,20 +36,14 @@ def generate_image(message, user, prompt):
         image_bytes = stablediffusion({'inputs': prompt})
         img_bytes = cv2.imdecode(np.frombuffer(image_bytes, np.uint8), cv2.IMREAD_COLOR)
         success, png_image = cv2.imencode('.png', img_bytes)
-        if not success:
-            raise ValueError("图像编码失败")
         photo = io.BytesIO(png_image)
         photo.seek(0)
         bot.send_message(message.chat.id, text=f"请求: {prompt}\nstablediffusion:")
         bot.send_photo(message.chat.id, photo)
     except Exception as e:
         bot.reply_to(message, f"生成图片错误: {str(e)}")
-        logging.error(f"生成图片错误: {str(e)}")
     finally:
-        with queue_lock:
-            if user in queue.queue:
-                queue.get()  # 从队列中移除用户
-        photo.close()
+        queue.get()  # 从队列中移除用户
 
 @bot.message_handler(commands=['start'])
 def send_welcome(message):
@@ -78,24 +56,19 @@ def send_help(message):
 @bot.message_handler(commands=['sd'])
 def stablediffusion_command(message):
     user = message.from_user.username
-    if not user:
-        bot.reply_to(message, "无法获取用户名，请确保您的帐户有用户名")
-        return
-    
-    with queue_lock:
-        if user not in queue.queue:
-            prompt = message.text.replace("/sd", "").strip()
-            if prompt:
-                queue.put(user)
-                bot.reply_to(message, f'请稍等... \n您在队列中的位置: {queue.qsize()}')
-                generate_image(message, user, prompt)
-            else:
-                bot.reply_to(message, '请求不能为空.')
+    if user not in queue.queue:
+        prompt = message.text.replace("/sd", "").strip()
+        if prompt:
+            queue.put(user)
+            bot.reply_to(message, f'请稍等... \n您在队列中的位置: {queue.qsize()}')
+            generate_image(message, user, prompt)
         else:
-            bot.reply_to(message, "您已经在生成此模型的查询，请等待完成.")
+            bot.reply_to(message, '请求不能为空.')
+    else:
+        bot.reply_to(message, "您已经在生成此模型的查询，请等待完成.")
 
 def main():
-    bot.polling(none_stop=True)
+    bot.polling()
 
 if __name__ == "__main__":
     main()