diff --git a/config.py b/config.py
index aa85bc0..bff413b 100644
--- a/config.py
+++ b/config.py
@@ -6,7 +6,7 @@ API_URL = "https://api.openai.com/v1/chat/completions"
 USE_PROXY = False
 if USE_PROXY:
     # 代理网络的地址，打开你的科学上网软件查看代理的协议(socks5/http)、地址(localhost)和端口(11284)
-    proxies = { "http": "socks5h://localhost:11284", "https": "socks5h://localhost:11284", } 
+    proxies = { "http": "socks5h://localhost:11284", "https": "socks5h://localhost:11284", }
     print('网络代理状态：运行。')
 else:
     proxies = None
@@ -25,5 +25,11 @@ MAX_RETRY = 2
 LLM_MODEL = "gpt-3.5-turbo"
 
 # 检查一下是不是忘了改config
-if API_KEY == "sk-此处填API秘钥":
-    assert False, "请在config文件中修改API密钥, 添加海外代理之后再运行"
\ No newline at end of file
+if len(API_KEY) != 51:
+    assert False, "请在config文件中修改API密钥, 添加海外代理之后再运行"
+
+# 设置并行使用的线程数
+CONCURRENT_COUNT = 100
+
+# 设置用户名和密码
+AUTHENTICATION = [] # [("username", "password"), ("username2", "password2"), ...]
\ No newline at end of file
diff --git a/main.py b/main.py
index eecd126..61de4b7 100644
--- a/main.py
+++ b/main.py
@@ -1,14 +1,15 @@
 import os; os.environ['no_proxy'] = '*' # 避免代理网络产生意外污染
-import gradio as gr 
+import gradio as gr
 from predict import predict
 from toolbox import format_io, find_free_port
 
 # 建议您复制一个config_private.py放自己的秘密, 如API和代理网址, 避免不小心传github被别人看到
-try: from config_private import proxies, WEB_PORT, LLM_MODEL
-except: from config import proxies, WEB_PORT, LLM_MODEL
+try: from config_private import proxies, WEB_PORT, LLM_MODEL, CONCURRENT_COUNT, AUTHENTICATION
+except: from config import proxies, WEB_PORT, LLM_MODEL, CONCURRENT_COUNT, AUTHENTICATION
 
 # 如果WEB_PORT是-1, 则随机选取WEB端口
 PORT = find_free_port() if WEB_PORT <= 0 else WEB_PORT
+AUTHENTICATION = None if AUTHENTICATION == [] else AUTHENTICATION
 
 initial_prompt = "Serve me as a writing and programming assistant."
 title_html = """<h1 align="center">ChatGPT 学术优化</h1>"""
@@ -16,7 +17,7 @@ title_html = """<h1 align="center">ChatGPT 学术优化</h1>"""
 # 问询记录, python 版本建议3.9+（越新越好）
 import logging
 os.makedirs('gpt_log', exist_ok=True)
-try:logging.basicConfig(filename='gpt_log/chat_secrets.log', level=logging.INFO, encoding='utf-8') 
+try:logging.basicConfig(filename='gpt_log/chat_secrets.log', level=logging.INFO, encoding='utf-8')
 except:logging.basicConfig(filename='gpt_log/chat_secrets.log', level=logging.INFO)
 print('所有问询记录将自动保存在本地目录./gpt_log/chat_secrets.log, 请注意自我隐私保护哦！')
 
@@ -78,11 +79,11 @@ with gr.Blocks(theme=set_theme, analytics_enabled=False) as demo:
     txt.submit(predict, [txt, top_p, temperature, chatbot, history, systemPromptTxt], [chatbot, history, statusDisplay])
     submitBtn.click(predict, [txt, top_p, temperature, chatbot, history, systemPromptTxt], [chatbot, history, statusDisplay], show_progress=True)
     for k in functional:
-        functional[k]["Button"].click(predict, 
+        functional[k]["Button"].click(predict,
             [txt, top_p, temperature, chatbot, history, systemPromptTxt, TRUE, gr.State(k)], [chatbot, history, statusDisplay], show_progress=True)
     file_upload.upload(on_file_uploaded, [file_upload, chatbot, txt], [chatbot, txt])
     for k in crazy_functional:
-        click_handle = crazy_functional[k]["Button"].click(crazy_functional[k]["Function"], 
+        click_handle = crazy_functional[k]["Button"].click(crazy_functional[k]["Function"],
             [txt, top_p, temperature, chatbot, history, systemPromptTxt, gr.State(PORT)], [chatbot, history, statusDisplay]
         )
         try: click_handle.then(on_report_generated, [file_upload, chatbot], [file_upload, chatbot])
@@ -90,4 +91,4 @@ with gr.Blocks(theme=set_theme, analytics_enabled=False) as demo:
 
 
 demo.title = "ChatGPT 学术优化"
-demo.queue().launch(server_name="0.0.0.0", share=True, server_port=PORT, inbrowser=True)
+demo.queue(concurrency_count=CONCURRENT_COUNT).launch(server_name="0.0.0.0", share=True, server_port=PORT, inbrowser=True, auth=AUTHENTICATION)