diff --git a/check_proxy.py b/check_proxy.py
index 95a439e..e858a6c 100644
--- a/check_proxy.py
+++ b/check_proxy.py
@@ -19,33 +19,93 @@ def check_proxy(proxies):
         print(result)
         return result
 
+def backup_and_download(current_version, remote_version):
+    """
+    一键更新协议：备份和下载
+    """
+    from toolbox import get_conf
+    import shutil, os, requests, zipfile
+    os.makedirs(f'./history', exist_ok=True)
+    backup_dir = f'./history/backup-{current_version}/'
+    new_version_dir = f'./history/new-version-{remote_version}/'
+    if os.path.exists(new_version_dir): return new_version_dir
+    os.makedirs(new_version_dir)
+    shutil.copytree('./', backup_dir, ignore=lambda x,y: ['history'])
+    proxies, = get_conf('proxies')
+    r = requests.get('https://github.com/binary-husky/chatgpt_academic/archive/refs/heads/master.zip', proxies=proxies, stream=True)
+    zip_file_path = backup_dir+'/master.zip'
+    with open(zip_file_path, 'wb+') as f:
+        f.write(r.content)
+    dst_path = new_version_dir
+    with zipfile.ZipFile(zip_file_path, "r") as zip_ref:
+        for zip_info in zip_ref.infolist():
+            dst_file_path = os.path.join(dst_path, zip_info.filename)
+            if os.path.exists(dst_file_path):
+                os.remove(dst_file_path)
+            zip_ref.extract(zip_info, dst_path)
+    return new_version_dir
+
+def patch_and_restart(path):
+    """
+    一键更新协议：覆盖和重启
+    """
+    import distutils, shutil, os, sys, time
+    # if not using config_private, move origin config.py as config_private.py
+    if not os.path.exists('config_private.py'):
+        print('由于您没有设置config_private.py私密配置，现将您的现有配置移动至config_private.py以防止配置丢失，',
+              '另外您可以随时在history子文件夹下找回旧版的程序。')
+        shutil.copyfile('config.py', 'config_private.py')
+    distutils.dir_util.copy_tree(path+'/chatgpt_academic-master', './')
+    print('更新完成，您可以随时在history子文件夹下找回旧版的程序，5s之后重启')
+    for i in reversed(range(5)):
+        time.sleep(1); print(i)
+    print(' ------------------------------ -----------------------------------')
+    os.execl(sys.executable, 'python', 'main.py')
+
+def get_current_version():
+    import json
+    try:
+        with open('./version', 'r', encoding='utf8') as f: 
+            current_version = json.loads(f.read())['version']
+    except:
+        current_version = ""
+    return current_version
 
 def auto_update():
-    from toolbox import get_conf
-    import requests
-    import time
-    import json
-    proxies, = get_conf('proxies')
-    response = requests.get("https://raw.githubusercontent.com/binary-husky/chatgpt_academic/master/version",
-                            proxies=proxies, timeout=1)
-    remote_json_data = json.loads(response.text)
-    remote_version = remote_json_data['version']
-    if remote_json_data["show_feature"]:
-        new_feature = "新功能：" + remote_json_data["new_feature"]
-    else:
-        new_feature = ""
-    with open('./version', 'r', encoding='utf8') as f:
-        current_version = f.read()
-        current_version = json.loads(current_version)['version']
-    if (remote_version - current_version) >= 0.05:
-        print(
-            f'\n新版本可用。新版本:{remote_version}，当前版本:{current_version}。{new_feature}')
-        print('Github更新地址:\nhttps://github.com/binary-husky/chatgpt_academic\n')
-        time.sleep(3)
-        return
-    else:
-        return
-
+    """
+    一键更新协议：查询版本和用户意见
+    """
+    try:
+        from toolbox import get_conf
+        import requests
+        import time
+        import json
+        proxies, = get_conf('proxies')
+        response = requests.get("https://raw.githubusercontent.com/binary-husky/chatgpt_academic/master/version", proxies=proxies, timeout=1)
+        remote_json_data = json.loads(response.text)
+        remote_version = remote_json_data['version']
+        if remote_json_data["show_feature"]:
+            new_feature = "新功能：" + remote_json_data["new_feature"]
+        else:
+            new_feature = ""
+        with open('./version', 'r', encoding='utf8') as f:
+            current_version = f.read()
+            current_version = json.loads(current_version)['version']
+        if (remote_version - current_version) >= 0.05:
+            print(
+                f'\n新版本可用。新版本:{remote_version}，当前版本:{current_version}。{new_feature}')
+            print('（1）Github更新地址:\nhttps://github.com/binary-husky/chatgpt_academic\n')
+            user_instruction = input('（2）是否一键更新代码（Y/y+回车=确认，输入其他/无输入+回车=不更新）？')
+            if user_instruction in ['Y', 'y']:
+                path = backup_and_download(current_version, remote_version)
+                try: patch_and_restart(path)
+                except: print('更新失败。')
+            else:
+                return
+        else:
+            return
+    except:
+        print('自动更新程序未正常工作。')
 
 if __name__ == '__main__':
     import os
diff --git a/main.py b/main.py
index 67ee00a..b161c6f 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,4 @@
-import os; os.environ['no_proxy'] = '*' # 避免代理网络产生意外污染
+import os, json; os.environ['no_proxy'] = '*' # 避免代理网络产生意外污染
 import gradio as gr
 from request_llm.bridge_chatgpt import predict
 from toolbox import format_io, find_free_port, on_file_uploaded, on_report_generated, get_conf, ArgsGeneralWrapper, DummyWith
@@ -163,11 +163,10 @@ def auto_opentab_delay():
     print(f"\t（亮色主体）: http://localhost:{PORT}")
     print(f"\t（暗色主体）: http://localhost:{PORT}/?__dark-theme=true")
     def open(): 
-        time.sleep(2)
-        try: auto_update()  # 检查新版本
-        except: pass
+        time.sleep(2)       # 打开浏览器
         webbrowser.open_new_tab(f"http://localhost:{PORT}/?__dark-theme=true")
     threading.Thread(target=open, name="open-browser", daemon=True).start()
+    threading.Thread(target=auto_update, name="self-upgrade", daemon=True).start()
 
 auto_opentab_delay()
 demo.title = "ChatGPT 学术优化"