fix bug

smart_monitor.py

@@ -5,10 +5,38 @@ import subprocess
 import logging
 import re
 import json
+import sys
 from typing import Dict, List, Optional, Tuple
-from dataclasses import dataclass
 from enum import Enum
 
+# Python 3.6 兼容性: dataclasses 是 3.7+ 的特性
+if sys.version_info >= (3, 7):
+    from dataclasses import dataclass
+else:
+    # Python 3.6 回退: 使用普通类
+    def dataclass(cls):
+        """简化的 dataclass 装饰器兼容层"""
+        # 自动添加 __init__
+        annotations = getattr(cls, '__annotations__', {})
+        
+        def __init__(self, **kwargs):
+            for key, value in kwargs.items():
+                setattr(self, key, value)
+            # 设置默认值
+            for key in annotations:
+                if not hasattr(self, key):
+                    setattr(self, key, None)
+        
+        cls.__init__ = __init__
+        
+        # 添加 __repr__
+        def __repr__(self):
+            fields = ', '.join(f'{k}={getattr(self, k, None)!r}' for k in annotations)
+            return f"{cls.__name__}({fields})"
+        
+        cls.__repr__ = __repr__
+        return cls
+
 logger = logging.getLogger(__name__)
 
 
@@ -77,8 +105,9 @@ class SmartMonitor:
         try:
             result = subprocess.run(
                 ["which", "smartctl"],
-                capture_output=True,
-                text=True,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE,
+                encoding='utf-8',
                 check=False
             )
             return result.returncode == 0
@@ -99,8 +128,9 @@ class SmartMonitor:
             # 获取基本信息
             result = subprocess.run(
                 ["sudo", "smartctl", "-a", device_path],
-                capture_output=True,
-                text=True,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE,
+                encoding='utf-8',
                 check=False,
                 timeout=30
             )
@@ -232,8 +262,9 @@ class SmartMonitor:
             # 获取所有块设备
             result = subprocess.run(
                 ["lsblk", "-d", "-n", "-o", "NAME,TYPE,ROTA"],
-                capture_output=True,
-                text=True,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE,
+                encoding='utf-8',
                 check=True
             )
             
@@ -270,7 +301,7 @@ class SmartMonitor:
             score = 70
         
         # 根据错误数量调整
-        error_count = len(smart_info.errors)
+        error_count = len(smart_info.errors) if smart_info.errors else 0
         score -= error_count * 10
         
         # 确保分数在合理范围内