diff --git a/stui.py b/stui.py
index f1689392a8a4a4016803f7c58fb5e08315b7e10e..ba1dc3a6ec9943386d632df90c0e822ceb0b7031 100644
--- a/stui.py
+++ b/stui.py
@@ -11,7 +11,6 @@ user_input = st.text_input('输入域名http://')
 if user_input != '':
     st.write('正在解析：,', user_input, '......')
     
-
     # 判断当前操作系统是centos还是ubuntu
     os_check = subprocess.check_output('cat /etc/*-release | grep -i name', shell=True).decode()
     if 'centos' in os_check.lower():
@@ -29,9 +28,9 @@ if user_input != '':
         print('dig is not installed')
         # 判断操作系统，执行相应的安装命令
         if os_name == 'CentOS':
-            subprocess.call(['sudo', 'yum', 'install', '-y', 'bind-utils'])
+            subprocess.call(['yum', 'install', '-y', 'bind-utils'])
         elif os_name == 'Ubuntu':
-            subprocess.call(['sudo', 'apt-get', 'install', '-y', 'dnsutils'])
+            subprocess.call(['apt-get', 'install', '-y', 'dnsutils'])
         else:
             print('Unknown operating system')