diff --git a/crontab/INSTALL.md b/crontab/INSTALL.md
index dfd2433..93d71b9 100644
--- a/crontab/INSTALL.md
+++ b/crontab/INSTALL.md
@@ -20,7 +20,7 @@
 ### Ubuntu/Debian
 ```bash
 sudo apt-get update
-sudo apt-get install smartmontools
+sudo apt-get install smartmontools 
 ```
 
 ### CentOS/RHEL
@@ -40,6 +40,8 @@ sudo dnf install smartmontools
 ```bash
 python --version  # 或 python3 --version
 pip --version    # 或 pip3 --version
+apt install -y python3-pip
+apt install python3.11-venv
 ```
 
 如果您的系统中没有安装Python或pip，请先安装它们。
@@ -69,7 +71,7 @@ pip3 install -r requirements.txt
 
 ```bash
 # 创建虚拟环境
-python -m venv venv
+python3 -m venv venv
 
 # 激活虚拟环境
 # Linux/MacOS
diff --git a/crontab/disk_inspection.py b/crontab/disk_inspection.py
index cadc51c..6c46575 100644
--- a/crontab/disk_inspection.py
+++ b/crontab/disk_inspection.py
@@ -3,7 +3,8 @@
 
 # 配置项
 DEFAULT_DEVICE = "/dev/sda"  # 默认检查的设备路径
-DEFAULT_CONTROLLER_COUNT = 8  # 默认控制器数量
+DEFAULT_MEGARAID_BINEG = 8  # megaraid起始值
+DEFAULT_MEGARAID_END = 15  # megaraid结束值
 DEFAULT_LOG_DIR = "/root"  # 默认日志目录
 MCP_SERVER_URL = "http://10.10.13.143:4527/mcp/v1/submit"  # MCP服务器提交接口
 CRITICAL_ATTRIBUTES = ["Reallocated_Sector_Ct", "Spin_Retry_Count", 
@@ -19,9 +20,10 @@ import json
 import requests
 
 class DiskInspection:
-    def __init__(self, device=DEFAULT_DEVICE, controller_count=DEFAULT_CONTROLLER_COUNT, log_dir=DEFAULT_LOG_DIR):
+    def __init__(self, device=DEFAULT_DEVICE, controller_count=DEFAULT_MEGARAID_BINEG, log_dir=DEFAULT_LOG_DIR):
         self.device = device
         self.controller_count = controller_count
+        self.megaraid_count = DEFAULT_MEGARAID_END + 1  # 默认megaraid控制器数量
         self.log_dir = log_dir
         self.current_date = datetime.datetime.now().strftime("%y%m%d")
         self.log_file = os.path.join(log_dir, f"smartctl.{self.current_date}.log")
@@ -428,7 +430,7 @@ class DiskInspection:
             open(self.log_file, 'w').close()
         
         # 检查每个控制器
-        for controller_id in range(self.controller_count):
+        for controller_id in range(self.controller_count, self.megaraid_count):
             print(f"检查控制器 {controller_id}...")
             output = self.run_smartctl(controller_id)
             if output: