diff --git a/backend/lib/get_info.py b/backend/lib/get_info.py
index babd8843cb065d2031f3efcb1a312112df4b196c..8c7d7cd97bc56ffad4b4cbad9c6f0ef06e882f29 100644
--- a/backend/lib/get_info.py
+++ b/backend/lib/get_info.py
@@ -4,12 +4,17 @@ from lib.common import get_remote_connect
 app = None
 AGENT_ID = ''
 
-def get_info(ssh, agent_model, db):
+def get_info(ssh, sftp, agent_model, db):
     try:
-        stdin, stdout, stderr = ssh.exec_command('cat /etc/os-release')
-        result_list = stdout.readlines()
-        os_release_content = [i.rstrip('\n') for i in result_list]
-        system_version = list(filter(lambda x: 'PRETTY_NAME' in x, os_release_content))[0].split('=')[-1].replace('"', '')
+        # stdin, stdout, stderr = ssh.exec_command('cat /etc/os-release')
+        # result_list = stdout.readlines()
+        # os_release_content = [i.rstrip('\n') for i in result_list]
+        # system_version = list(filter(lambda x: 'PRETTY_NAME' in x, os_release_content))[0].split('=')[-1].replace('"', '')
+        stdin, stdout, stderr = ssh.exec_command(f'mkdir -p /opt/nfs/tmp/python3')
+
+        stdin, stdout, stderr = ssh.exec_command('cat /etc/centos-release')
+        system_version = stdout.read().decode()
+
         stdin, stdout, stderr = ssh.exec_command('uname -rm')
         kernel, schema = stdout.read().decode().rstrip('\n').split(' ')
         # backup_path = agent_model.backup_path
@@ -22,17 +27,69 @@ def get_info(ssh, agent_model, db):
         # split_list = [i for i in stdout.read().decode().split(' ') if i]
         # avail = split_list[9]
         # agent_model.avail = avail
+        stdin, stdout, stderr = ssh.exec_command(f'cat /etc/yum.conf|grep cachedir')
+        yum_backup_path = stdout.read().decode().split('=')[-1]
+        stdin, stdout, stderr = ssh.exec_command(f'df -h {yum_backup_path}')
+        split_list = [i for i in stdout.read().decode().split(' ') if i]
+        avail = split_list[9]
         agent_model.schema = schema
         agent_model.system_version = system_version
         agent_model.kernel = kernel
         db.session.add(agent_model)
         db.session.commit()
+        upload_file(sftp)
+        check_python3(ssh, sftp, system_version)
         app.logger.info(f"agent_id: {AGENT_ID}, 操作系统数据更新完成")
         return 1
     except Exception as e:
         app.logger.error(f"agent_id: {AGENT_ID}, 操作系统数据更新失败, 原因为 {str(e)}")
         return 0
 
+def upload_file(sftp):
+    sftp.put('/opt/nfs/nfs_migration/backend/lib/migrate/centos82nfs.py', f'/opt/nfs/tmp/centos82nfs.py', confirm=True)
+    sftp.put('/opt/nfs/nfs_migration/backend/lib/migrate/centos62nfs.py', f'/opt/nfs/tmp/centos62nfs.py', confirm=True)
+
+def install_python3_for_centos6(ssh, sftp):
+    import time
+    stdin, stdout, stderr = ssh.exec_command('rpm -qa |grep python3')
+    if not stdout.read():
+        sftp.put('/opt/nfs/nfs_migration/backend/lib/install_python3_centos6.sh', '/opt/nfs/tmp/python3/install_python3_centos6.sh', confirm=True)
+        stdin, stdout, stderr = ssh.exec_command('chmod 777 /opt/nfs/tmp/python3/install_python3_centos6.sh; ')
+    time.sleep(60)
+        
+def install_python3_for_centos7(ssh, sftp):
+    stdin, stdout, stderr = ssh.exec_command('rpm -qa |grep python3')
+    if not stdout.read():
+        sftp.put('/opt/nfs/nfs_migration/backend/lib/migrate/libtirpc-0.2.4-0.16.el7.x86_64.rpm', '/opt/nfs/tmp/python3/libtirpc-0.2.4-0.16.el7.x86_64.rpm', confirm=True)
+        sftp.put('/opt/nfs/nfs_migration/backend/lib/migrate/python3-3.6.8-19.el7_9.x86_64.rpm', '/opt/nfs/tmp/python3/python3-3.6.8-19.el7_9.x86_64.rpm', confirm=True)
+        sftp.put('/opt/nfs/nfs_migration/backend/lib/migrate/python3-libs-3.6.8-19.el7_9.x86_64.rpm', '/opt/nfs/tmp/python3/python3-libs-3.6.8-19.el7_9.x86_64.rpm', confirm=True)
+        sftp.put('/opt/nfs/nfs_migration/backend/lib/migrate/python3-pip-9.0.3-8.el7.noarch.rpm', '/opt/nfs/tmp/python3/python3-pip-9.0.3-8.el7.noarch.rpm', confirm=True)
+        sftp.put('/opt/nfs/nfs_migration/backend/lib/migrate/python3-setuptools-39.2.0-10.el7.noarch.rpm', '/opt/nfs/tmp/python3/python3-setuptools-39.2.0-10.el7.noarch.rpm', confirm=True)
+        stdin, stdout, stderr = ssh.exec_command('rpm -ivh /opt/nfs/tmp/python3/python3*')
+    
+def check_python3(ssh, sftp, system_version):
+    # 提取匹配到的大版本号
+    major_version = get_system_version(system_version)
+    
+    if major_version:
+        if major_version == '6':
+            install_python3_for_centos6(ssh, sftp)
+        elif major_version == '7':
+            install_python3_for_centos7(ssh, sftp)
+    else:
+        app.logger.error(f"agent_id: {AGENT_ID}, 未找到匹配的大版本号")
+
+def get_system_version(system_version):
+    import re
+    # 定义匹配模式
+    pattern = r"(\d+)"
+    # 使用正则表达式进行匹配
+    match = re.search(pattern, system_version)
+    if match:
+        return match.group(1)
+    else:
+        return None
+
 def run(params):
     global AGENT_ID, app
     start_time = datetime.now().strftime('%Y%m%d %H:%M:%S')
@@ -43,7 +100,7 @@ def run(params):
     result = 0
     try:
         with app.app_context():  
-            result = get_info(ssh, agent_model, params['db'])
+            result = get_info(ssh, sftp, agent_model, params['db'])
     except Exception as e:
         app.logger.error(f"操作系统数据获取失败，原因为： {str(e)}")
     finally: