diff --git a/__pycache__/raid_operations.cpython-314.pyc b/__pycache__/raid_operations.cpython-314.pyc
index 3e948ab..f6d2e0b 100644
Binary files a/__pycache__/raid_operations.cpython-314.pyc and b/__pycache__/raid_operations.cpython-314.pyc differ
diff --git a/__pycache__/system_info.cpython-314.pyc b/__pycache__/system_info.cpython-314.pyc
index fcb119b..0f16a3c 100644
Binary files a/__pycache__/system_info.cpython-314.pyc and b/__pycache__/system_info.cpython-314.pyc differ
diff --git a/mainwindow.py b/mainwindow.py
index f3eed01..165d452 100644
--- a/mainwindow.py
+++ b/mainwindow.py
@@ -330,7 +330,7 @@ class MainWindow(QMainWindow):
             self.ui.treeWidget_raid.header().setSectionResizeMode(i, QHeaderView.ResizeToContents)
 
         try:
-            raid_arrays = self.system_manager.get_mdadm_arrays()
+            raid_arrays = self.system_manager.get_mdadm_arrays() # 现在会返回所有阵列，包括停止的
             if not raid_arrays:
                 item = QTreeWidgetItem(self.ui.treeWidget_raid)
                 item.setText(0, "未找到RAID阵列。")
@@ -344,11 +344,14 @@ class MainWindow(QMainWindow):
                     logger.warning(f"RAID阵列 '{array.get('name', '未知')}' 的设备路径无效，跳过。")
                     continue
 
-                current_mount_point = self.system_manager.get_mountpoint_for_device(array_path)
+                # 对于停止状态的阵列，挂载点可能不存在或不相关
+                current_mount_point = ""
+                if array.get('state') != 'Stopped (Configured)':
+                    current_mount_point = self.system_manager.get_mountpoint_for_device(array_path)
 
                 array_item.setText(0, array_path)
                 array_item.setText(1, array.get('level', 'N/A'))
-                array_item.setText(2, array.get('state', 'N/A'))
+                array_item.setText(2, array.get('state', 'N/A')) # 显示实际状态
                 array_item.setText(3, array.get('array_size', 'N/A'))
                 array_item.setText(4, array.get('active_devices', 'N/A'))
                 array_item.setText(5, array.get('failed_devices', 'N/A'))
@@ -359,16 +362,18 @@ class MainWindow(QMainWindow):
                 array_item.setText(10, array.get('chunk_size', 'N/A'))
                 array_item.setText(11, current_mount_point if current_mount_point else "")
                 array_item.setExpanded(True)
-                array_data_for_context = array.copy()
-                array_data_for_context['device'] = array_path
-                array_item.setData(0, Qt.UserRole, array_data_for_context)
 
-                for member in array.get('member_devices', []):
-                    member_item = QTreeWidgetItem(array_item)
-                    member_item.setText(0, f"  {member.get('device_path', 'N/A')}")
-                    member_item.setText(1, f"成员: {member.get('raid_device', 'N/A')}")
-                    member_item.setText(2, member.get('state', 'N/A'))
-                    member_item.setText(3, f"Major: {member.get('major', 'N/A')}, Minor: {member.get('minor', 'N/A')}")
+                # 存储完整的阵列数据，包括状态，供上下文菜单使用
+                array_item.setData(0, Qt.UserRole, array)
+
+                # 对于停止状态的阵列，成员设备可能为空，跳过显示子项
+                if array.get('state') != 'Stopped (Configured)':
+                    for member in array.get('member_devices', []):
+                        member_item = QTreeWidgetItem(array_item)
+                        member_item.setText(0, f"  {member.get('device_path', 'N/A')}")
+                        member_item.setText(1, f"成员: {member.get('raid_device', 'N/A')}") # 假设 raid_device 字段存在
+                        member_item.setText(2, member.get('state', 'N/A'))
+                        # member_item.setText(3, f"Major: {member.get('major', 'N/A')}, Minor: {member.get('minor', 'N/A')}") # 假设 major/minor 字段存在
 
             for i in range(len(raid_headers)):
                 self.ui.treeWidget_raid.resizeColumnToContents(i)
@@ -379,49 +384,95 @@ class MainWindow(QMainWindow):
             logger.error(f"刷新RAID阵列信息失败: {e}")
 
     def show_raid_context_menu(self, pos: QPoint):
-        item = self.ui.treeWidget_raid.itemAt(pos)
-        menu = QMenu(self)
+            item = self.ui.treeWidget_raid.itemAt(pos)
+            menu = QMenu(self)
 
-        create_raid_action = menu.addAction("创建 RAID 阵列...")
-        create_raid_action.triggered.connect(self._handle_create_raid_array)
-        menu.addSeparator()
-
-        if item and item.parent() is None:
-            array_data = item.data(0, Qt.UserRole)
-            if not array_data:
-                logger.warning(f"无法获取 RAID 阵列 {item.text(0)} 的详细数据。")
-                return
-
-            array_path = array_data.get('device')
-            member_devices = [m.get('device_path') for m in array_data.get('member_devices', [])]
-
-            if not array_path or array_path == 'N/A':
-                logger.warning(f"RAID阵列 '{array_data.get('name', '未知')}' 的设备路径无效，无法显示操作。")
-                return
-
-            current_mount_point = self.system_manager.get_mountpoint_for_device(array_path)
-
-            if current_mount_point and current_mount_point != '[SWAP]' and current_mount_point != '':
-                unmount_action = menu.addAction(f"卸载 {array_path} ({current_mount_point})")
-                unmount_action.triggered.connect(lambda: self._unmount_and_refresh(array_path))
-            else:
-                mount_action = menu.addAction(f"挂载 {array_path}...")
-                mount_action.triggered.connect(lambda: self._handle_mount(array_path))
+            create_raid_action = menu.addAction("创建 RAID 阵列...")
+            create_raid_action.triggered.connect(self._handle_create_raid_array)
             menu.addSeparator()
 
-            stop_action = menu.addAction(f"停止阵列 {array_path}")
-            stop_action.triggered.connect(lambda: self._handle_stop_raid_array(array_path))
+            if item and item.parent() is None: # 只针对顶层阵列项
+                array_data = item.data(0, Qt.UserRole)
+                if not array_data:
+                    logger.warning(f"无法获取 RAID 阵列 {item.text(0)} 的详细数据。")
+                    return
 
-            delete_action = menu.addAction(f"删除阵列 {array_path}")
-            delete_action.triggered.connect(lambda: self._handle_delete_raid_array(array_path, member_devices))
+                array_path = array_data.get('device')
+                array_state = array_data.get('state', 'N/A')
+                member_devices = [m.get('device_path') for m in array_data.get('member_devices', [])]
+                array_uuid = array_data.get('uuid') # <--- 获取 UUID
 
-            format_action = menu.addAction(f"格式化阵列 {array_path}...")
-            format_action.triggered.connect(lambda: self._handle_format_raid_array(array_path))
+                if not array_path or array_path == 'N/A':
+                    logger.warning(f"RAID阵列 '{array_data.get('name', '未知')}' 的设备路径无效，无法显示操作。")
+                    return
 
-        if menu.actions():
-            menu.exec(self.ui.treeWidget_raid.mapToGlobal(pos))
-        else:
-            logger.info("右键点击了空白区域或没有可用的RAID操作。")
+                if array_state == 'Stopped (Configured)':
+                    activate_action = menu.addAction(f"激活阵列 {array_path}")
+                    activate_action.triggered.connect(lambda: self._handle_activate_raid_array(array_path))
+                    # <--- 新增：删除停止状态阵列的配置条目
+                    delete_config_action = menu.addAction(f"删除配置文件条目 (UUID: {array_uuid})")
+                    delete_config_action.triggered.connect(lambda: self._handle_delete_configured_raid_array(array_uuid))
+                    # 停止状态的阵列不显示卸载、停止、删除、格式化等操作
+                else: # 活动或降级状态的阵列
+                    current_mount_point = self.system_manager.get_mountpoint_for_device(array_path)
+
+                    if current_mount_point and current_mount_point != '[SWAP]' and current_mount_point != '':
+                        unmount_action = menu.addAction(f"卸载 {array_path} ({current_mount_point})")
+                        unmount_action.triggered.connect(lambda: self._unmount_and_refresh(array_path))
+                    else:
+                        mount_action = menu.addAction(f"挂载 {array_path}...")
+                        mount_action.triggered.connect(lambda: self._handle_mount(array_path))
+                    menu.addSeparator()
+
+                    stop_action = menu.addAction(f"停止阵列 {array_path}")
+                    stop_action.triggered.connect(lambda: self._handle_stop_raid_array(array_path))
+
+                    # <--- 修改：删除活动阵列的动作，传递 UUID
+                    delete_action = menu.addAction(f"删除阵列 {array_path}")
+                    delete_action.triggered.connect(lambda: self._handle_delete_active_raid_array(array_path, member_devices, array_uuid))
+
+                    format_action = menu.addAction(f"格式化阵列 {array_path}...")
+                    format_action.triggered.connect(lambda: self._handle_format_raid_array(array_path))
+
+            if menu.actions():
+                menu.exec(self.ui.treeWidget_raid.mapToGlobal(pos))
+            else:
+                logger.info("右键点击了空白区域或没有可用的RAID操作。")
+
+    def _handle_activate_raid_array(self, array_path):
+        """
+        处理激活已停止的 RAID 阵列。
+        """
+        item = self.ui.treeWidget_raid.currentItem() # 获取当前选中的项
+        if not item or item.parent() is not None: # 确保是顶层阵列项
+            logger.warning("未选择有效的 RAID 阵列进行激活。")
+            return
+
+        array_data = item.data(0, Qt.UserRole)
+        if not array_data or array_data.get('device') != array_path:
+            logger.error(f"获取 RAID 阵列 {array_path} 的数据失败或数据不匹配。")
+            return
+
+        array_uuid = array_data.get('uuid')
+        if not array_uuid or array_uuid == 'N/A':
+            QMessageBox.critical(self, "错误", f"无法激活 RAID 阵列 {array_path}：缺少 UUID 信息。")
+            logger.error(f"激活 RAID 阵列 {array_path} 失败：缺少 UUID。")
+            return
+
+        reply = QMessageBox.question(
+            self,
+            "确认激活 RAID 阵列",
+            f"您确定要激活 RAID 阵列 {array_path} (UUID: {array_uuid}) 吗？\n"
+            "这将尝试重新组装阵列。",
+            QMessageBox.Yes | QMessageBox.No,
+            QMessageBox.No
+        )
+        if reply == QMessageBox.No:
+            logger.info(f"用户取消了激活 RAID 阵列 {array_path} 的操作。")
+            return
+
+        if self.raid_ops.activate_raid_array(array_path, array_uuid): # 传递 UUID
+            self.refresh_all_info()
 
     def _handle_create_raid_array(self):
         available_devices = self.system_manager.get_unallocated_partitions()
@@ -441,8 +492,18 @@ class MainWindow(QMainWindow):
         if self.raid_ops.stop_raid_array(array_path):
             self.refresh_all_info()
 
-    def _handle_delete_raid_array(self, array_path, member_devices):
-        if self.raid_ops.delete_raid_array(array_path, member_devices):
+    def _handle_delete_active_raid_array(self, array_path, member_devices, uuid): # <--- 修改方法名并添加 uuid 参数
+        """
+        处理删除活动 RAID 阵列的操作。
+        """
+        if self.raid_ops.delete_active_raid_array(array_path, member_devices, uuid): # <--- 调用修改后的方法
+            self.refresh_all_info()
+
+    def _handle_delete_configured_raid_array(self, uuid): # <--- 新增方法
+        """
+        处理删除停止状态 RAID 阵列的配置文件条目。
+        """
+        if self.raid_ops.delete_configured_raid_array(uuid):
             self.refresh_all_info()
 
     def _handle_format_raid_array(self, array_path):
@@ -789,3 +850,4 @@ if __name__ == "__main__":
     widget = MainWindow()
     widget.show()
     sys.exit(app.exec())
+
diff --git a/raid_operations.py b/raid_operations.py
index 751db5c..73c69ff 100644
--- a/raid_operations.py
+++ b/raid_operations.py
@@ -343,29 +343,29 @@ class RaidOperations:
         examine_scan_cmd = ["mdadm", "--examine", "--scan"]
         success_scan, scan_stdout, _ = self._execute_shell_command(examine_scan_cmd, "扫描 mdadm 配置失败")
         if success_scan:
-            # --- 新增：确保 /etc/mdadm 目录存在 ---
-            mkdir_cmd = ["mkdir", "-p", "/etc/mdadm"]
+            # --- 新增：确保 /etc 目录存在 ---
+            mkdir_cmd = ["mkdir", "-p", "/etc"]
             success_mkdir, _, stderr_mkdir = self._execute_shell_command(
                 mkdir_cmd,
-                "创建 /etc/mdadm 目录失败"
+                "创建 /etc 目录失败"
             )
             if not success_mkdir:
-                logger.error(f"无法创建 /etc/mdadm 目录，更新 mdadm.conf 失败。错误: {stderr_mkdir}")
-                QMessageBox.critical(None, "错误", f"无法创建 /etc/mdadm 目录，更新 mdadm.conf 失败。\n详细信息: {stderr_mkdir}")
+                logger.error(f"无法创建 /etc 目录，更新 mdadm.conf 失败。错误: {stderr_mkdir}")
+                QMessageBox.critical(None, "错误", f"无法创建 /etc 目录，更新 mdadm.conf 失败。\n详细信息: {stderr_mkdir}")
                 return False # 如果连目录都无法创建，则认为创建阵列失败，因为无法保证重启后自动识别
-            logger.info("已确保 /etc/mdadm 目录存在。")
+            logger.info("已确保 /etc 目录存在。")
             # --- 新增结束 ---
 
-            # 这里需要确保 /etc/mdadm/mdadm.conf 存在且可写入
+            # 这里需要确保 /etc/mdadm.conf 存在且可写入
             # _execute_shell_command 会自动添加 sudo
             success_append, _, _ = self._execute_shell_command(
-                ["bash", "-c", f"echo '{scan_stdout.strip()}' | tee -a /etc/mdadm/mdadm.conf > /dev/null"],
+                ["bash", "-c", f"echo '{scan_stdout.strip()}' | tee -a /etc/mdadm.conf > /dev/null"],
                 "更新 /etc/mdadm/mdadm.conf 失败"
             )
             if not success_append:
-                logger.warning("更新 /etc/mdadm/mdadm.conf 失败。")
+                logger.warning("更新 /etc/mdadm.conf 失败。")
             else:
-                logger.info("已成功更新 /etc/mdadm/mdadm.conf。")
+                logger.info("已成功更新 /etc/mdadm.conf。")
         else:
             logger.warning("未能扫描到 mdadm 配置，跳过更新 mdadm.conf。")
 
@@ -402,22 +402,23 @@ class RaidOperations:
         QMessageBox.information(None, "成功", f"成功停止 RAID 阵列 {array_path}。")
         return True
 
-    def delete_raid_array(self, array_path, member_devices):
+    def delete_active_raid_array(self, array_path, member_devices, uuid): # <--- 修改方法名并添加 uuid 参数
         """
-        删除一个 RAID 阵列。
-        此操作将停止阵列并清除成员设备上的超级块。
+        删除一个活动的 RAID 阵列。
+        此操作将停止阵列、清除成员设备上的超级块，并删除 mdadm.conf 中的配置。
         :param array_path: RAID 阵列的设备路径，例如 /dev/md0
         :param member_devices: 成员设备列表，例如 ['/dev/sdb1', '/dev/sdc1']
+        :param uuid: RAID 阵列的 UUID
         """
         reply = QMessageBox.question(None, "确认删除 RAID 阵列",
                                     f"你确定要删除 RAID 阵列 {array_path} 吗？\n"
-                                    "此操作将停止阵列并清除成员设备上的 RAID 超级块，数据将无法访问！",
+                                    "此操作将停止阵列，清除成员设备上的 RAID 超级块，并删除其配置，数据将无法访问！",
                                     QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
         if reply == QMessageBox.No:
             logger.info(f"用户取消了删除 RAID 阵列 {array_path} 的操作。")
             return False
 
-        logger.info(f"尝试删除 RAID 阵列: {array_path}")
+        logger.info(f"尝试删除活动 RAID 阵列: {array_path} (UUID: {uuid})")
 
         # 1. 停止阵列
         if not self.stop_raid_array(array_path):
@@ -444,6 +445,15 @@ class RaidOperations:
                 success_all_cleared = False
                 logger.warning(f"未能清除设备 {dev} 上的 RAID 超级块，请手动检查。")
 
+        # 3. 从 mdadm.conf 中删除配置条目
+        try:
+            self.system_manager.delete_raid_array_config(uuid)
+            logger.info(f"已成功从 mdadm.conf 中删除 UUID 为 {uuid} 的 RAID 阵列配置。")
+        except Exception as e:
+            QMessageBox.critical(None, "错误", f"删除 RAID 阵列 {array_path} 的配置失败: {e}")
+            logger.error(f"删除 RAID 阵列 {array_path} 的配置失败: {e}")
+            return False # 如果配置文件删除失败，也视为整体操作失败
+
         if success_all_cleared:
             logger.info(f"成功删除 RAID 阵列 {array_path} 并清除了成员设备超级块。")
             QMessageBox.information(None, "成功", f"成功删除 RAID 阵列 {array_path}。")
@@ -451,3 +461,58 @@ class RaidOperations:
         else:
             QMessageBox.critical(None, "错误", f"删除 RAID 阵列 {array_path} 完成，但部分成员设备超级块未能完全清除。")
             return False
+
+    def delete_configured_raid_array(self, uuid): # <--- 新增方法
+        """
+        只删除 mdadm.conf 中停止状态 RAID 阵列的配置条目。
+        :param uuid: 要删除的 RAID 阵列的 UUID。
+        :return: True 如果成功，False 如果失败。
+        """
+        reply = QMessageBox.question(None, "确认删除 RAID 阵列配置",
+                                    f"您确定要删除 UUID 为 {uuid} 的 RAID 阵列配置吗？\n"
+                                    "此操作将从配置文件中移除该条目，但不会影响实际的磁盘数据或活动阵列。",
+                                    QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
+        if reply == QMessageBox.No:
+            logger.info(f"用户取消了删除 UUID 为 {uuid} 的 RAID 阵列配置的操作。")
+            return False
+
+        logger.info(f"尝试删除 UUID 为 {uuid} 的 RAID 阵列配置文件条目。")
+        try:
+            self.system_manager.delete_raid_array_config(uuid)
+            QMessageBox.information(None, "成功", f"成功删除 UUID 为 {uuid} 的 RAID 阵列配置。")
+            return True
+        except Exception as e:
+            QMessageBox.critical(None, "错误", f"删除 RAID 阵列配置失败: {e}")
+            logger.error(f"删除 RAID 阵列配置失败: {e}")
+            return False
+
+
+    def activate_raid_array(self, array_path, array_uuid): # 添加 array_uuid 参数
+        """
+        激活一个已停止的 RAID 阵列。
+        使用 mdadm --assemble <device> --uuid=<uuid>
+        """
+        if not array_uuid or array_uuid == 'N/A':
+            QMessageBox.critical(None, "错误", f"无法激活 RAID 阵列 {array_path}：缺少 UUID 信息。")
+            logger.error(f"激活 RAID 阵列 {array_path} 失败：缺少 UUID。")
+            return False
+
+        logger.info(f"尝试激活 RAID 阵列: {array_path} (UUID: {array_uuid})")
+
+        # 使用 mdadm --assemble <device> --uuid=<uuid>
+        # 这样可以确保只激活用户选择的特定阵列
+        success, stdout, stderr = self._execute_shell_command(
+            ["mdadm", "--assemble", array_path, "--uuid", array_uuid],
+            f"激活 RAID 阵列 {array_path} 失败",
+            # 抑制一些常见的非致命错误，例如阵列已经激活
+            suppress_critical_dialog_on_stderr_match=("mdadm: device /dev/md", "already active", "No such file or directory")
+        )
+
+        if success:
+            logger.info(f"成功激活 RAID 阵列 {array_path} (UUID: {array_uuid})。")
+            QMessageBox.information(None, "成功", f"成功激活 RAID 阵列 {array_path}。")
+            return True
+        else:
+            logger.error(f"激活 RAID 阵列 {array_path} 失败。")
+            return False
+
diff --git a/system_info.py b/system_info.py
index b264e40..275a604 100644
--- a/system_info.py
+++ b/system_info.py
@@ -73,8 +73,14 @@ class SystemInfoManager:
                         add_path_recursive(dev['children'])
             add_path_recursive(devices)
             return devices
+        except subprocess.CalledProcessError as e:
+            logger.error(f"获取块设备信息失败: {e.stderr.strip()}")
+            return []
+        except json.JSONDecodeError as e:
+            logger.error(f"解析 lsblk JSON 输出失败: {e}")
+            return []
         except Exception as e:
-            logger.error(f"获取块设备信息失败: {e}")
+            logger.error(f"获取块设备信息失败 (未知错误): {e}")
             return []
 
     def _find_device_by_path_recursive(self, dev_list, target_path):
@@ -199,40 +205,12 @@ class SystemInfoManager:
         logger.debug(f"get_mountpoint_for_device: 未能获取到 {original_device_path} 的挂载点。")
         return None
 
-    def get_mdadm_arrays(self):
+    def _parse_mdadm_detail_output(self, output, device_path):
         """
-        获取 mdadm RAID 阵列信息。
+        解析 mdadm --detail 命令的输出。
         """
-        cmd = ["mdadm", "--detail", "--scan"]
-        try:
-            stdout, _ = self._run_command(cmd)
-            arrays = []
-            for line in stdout.splitlines():
-                if line.startswith("ARRAY"):
-                    parts = line.split(' ')
-                    array_path = parts[1] # e.g., /dev/md0 or /dev/md/new_raid
-                    # Use mdadm --detail for more specific info
-                    detail_cmd = ["mdadm", "--detail", array_path]
-                    detail_stdout, _ = self._run_command(detail_cmd)
-                    array_info = self._parse_mdadm_detail(detail_stdout, array_path)
-                    arrays.append(array_info)
-            return arrays
-        except subprocess.CalledProcessError as e:
-            if "No arrays found" in e.stderr or "No arrays found" in e.stdout: # mdadm --detail --scan might exit 1 if no arrays
-                logger.info("未找到任何RAID阵列。")
-                return []
-            logger.error(f"获取RAID阵列信息失败: {e}")
-            return []
-        except Exception as e:
-            logger.error(f"获取RAID阵列信息失败: {e}")
-            return []
-
-    def _parse_mdadm_detail(self, detail_output, array_path):
-        """
-        解析 mdadm --detail 的输出。
-        """
-        info = {
-            'device': array_path,
+        array_info = {
+            'device': device_path, # Default to input path, will be updated by canonical_device_path
             'level': 'N/A',
             'state': 'N/A',
             'array_size': 'N/A',
@@ -241,46 +219,202 @@ class SystemInfoManager:
             'spare_devices': 'N/A',
             'total_devices': 'N/A',
             'uuid': 'N/A',
-            'name': 'N/A',
+            'name': os.path.basename(device_path), # Default name, will be overridden
             'chunk_size': 'N/A',
             'member_devices': []
         }
-        member_pattern = re.compile(r'^\s*(\d+)\s+(\d+)\s+(\d+)\s+(.+?)\s+(/dev/.+)$')
 
-        for line in detail_output.splitlines():
-            if "Raid Level :" in line:
-                info['level'] = line.split(':')[-1].strip()
-            elif "Array Size :" in line:
-                info['array_size'] = line.split(':')[-1].strip()
-            elif "State :" in line:
-                info['state'] = line.split(':')[-1].strip()
-            elif "Active Devices :" in line:
-                info['active_devices'] = line.split(':')[-1].strip()
-            elif "Failed Devices :" in line:
-                info['failed_devices'] = line.split(':')[-1].strip()
-            elif "Spare Devices :" in line:
-                info['spare_devices'] = line.split(':')[-1].strip()
-            elif "Total Devices :" in line:
-                info['total_devices'] = line.split(':')[-1].strip()
-            elif "UUID :" in line:
-                info['uuid'] = line.split(':')[-1].strip()
-            elif "Name :" in line:
-                info['name'] = line.split(':')[-1].strip()
-            elif "Chunk Size :" in line:
-                info['chunk_size'] = line.split(':')[-1].strip()
+        # 首先，尝试从 mdadm --detail 输出的第一行获取规范的设备路径
+        device_path_header_match = re.match(r'^(?P<canonical_path>/dev/md\d+):', output)
+        if device_path_header_match:
+            array_info['device'] = device_path_header_match.group('canonical_path')
+            array_info['name'] = os.path.basename(array_info['device']) # 根据规范路径更新默认名称
 
-            # Member devices
-            match = member_pattern.match(line)
-            if match:
-                member_info = {
-                    'number': match.group(1),
-                    'major': match.group(2),
-                    'minor': match.group(3),
-                    'raid_device': match.group(4),
-                    'device_path': match.group(5)
-                }
-                info['member_devices'].append(member_info)
-        return info
+        # 逐行解析键值对
+        for line in output.splitlines():
+            line = line.strip()
+            if not line:
+                continue
+
+            # 尝试匹配 "Key : Value" 格式
+            kv_match = re.match(r'^(?P<key>[A-Za-z ]+)\s*:\s*(?P<value>.+)', line)
+            if kv_match:
+                key = kv_match.group('key').strip().lower().replace(' ', '_')
+                value = kv_match.group('value').strip()
+
+                if key == 'raid_level':
+                    array_info['level'] = value
+                elif key == 'state':
+                    array_info['state'] = value
+                elif key == 'array_size':
+                    array_info['array_size'] = value
+                elif key == 'uuid':
+                    array_info['uuid'] = value
+                elif key == 'raid_devices':
+                    array_info['total_devices'] = value
+                elif key == 'active_devices':
+                    array_info['active_devices'] = value
+                elif key == 'failed_devices':
+                    array_info['failed_devices'] = value
+                elif key == 'spare_devices':
+                    array_info['spare_devices'] = value
+                elif key == 'name':
+                    # 只取名字的第一部分，忽略括号内的额外信息
+                    array_info['name'] = value.split(' ')[0]
+                elif key == 'chunk_size':
+                    array_info['chunk_size'] = value
+
+            # 成员设备解析 (独立于键值对，因为它有固定格式)
+            member_pattern = re.match(r'^\s*(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+([^\s]+(?:\s+[^\s]+)*)\s+(/dev/\S+)$', line)
+            if member_pattern:
+                array_info['member_devices'].append({
+                    'number': member_pattern.group(1),
+                    'major': member_pattern.group(2),
+                    'minor': member_pattern.group(3),
+                    'raid_device': member_pattern.group(4),
+                    'state': member_pattern.group(5).strip(),
+                    'device_path': member_pattern.group(6)
+                })
+
+        # 最终状态标准化
+        if array_info['state'] and 'active' in array_info['state'].lower():
+            array_info['state'] = array_info['state'].replace('active', 'Active')
+        elif array_info['state'] == 'clean':
+             array_info['state'] = 'Active, Clean'
+        elif array_info['state'] == 'N/A': # 如果未明确找到状态，则回退到推断
+            if "clean" in output.lower() and "active" in output.lower():
+                array_info['state'] = "Active, Clean"
+            elif "degraded" in output.lower():
+                array_info['state'] = "Degraded"
+            elif "inactive" in output.lower() or "stopped" in output.lower():
+                array_info['state'] = "Stopped"
+
+        return array_info
+
+    def get_mdadm_arrays(self):
+        """
+        获取所有 RAID 阵列的信息，包括活动的和已停止的。
+        """
+        all_arrays_info = {} # 使用 UUID 作为键，存储阵列的详细信息
+
+        # 1. 获取活动的 RAID 阵列信息 (通过 mdadm --detail --scan 和 /proc/mdstat)
+        active_md_devices = []
+
+        # 从 mdadm --detail --scan 获取
+        try:
+            stdout_scan, stderr_scan = self._run_command(["mdadm", "--detail", "--scan"], check_output=True)
+            for line in stdout_scan.splitlines():
+                if line.startswith("ARRAY"):
+                    match = re.match(r'ARRAY\s+(\S+)(?:\s+\S+=\S+)*\s+UUID=([0-9a-f:]+)', line)
+                    if match:
+                        dev_path = match.group(1)
+                        if dev_path not in active_md_devices:
+                            active_md_devices.append(dev_path)
+        except subprocess.CalledProcessError as e:
+            if "No arrays found" not in e.stderr and "No arrays found" not in e.stdout:
+                logger.warning(f"执行 mdadm --detail --scan 失败: {e.stderr.strip()}")
+        except Exception as e:
+            logger.warning(f"处理 mdadm --detail --scan 输出时发生错误: {e}")
+
+
+        # 从 /proc/mdstat 获取 (补充可能未被 --scan 报告的活动阵列)
+        try:
+            with open("/proc/mdstat", "r") as f:
+                mdstat_content = f.read()
+                for line in mdstat_content.splitlines():
+                    if line.startswith("md") and "active" in line:
+                        device_name_match = re.match(r'^(md\d+)\s+:', line)
+                        if device_name_match:
+                            dev_path = f"/dev/{device_name_match.group(1)}"
+                            if dev_path not in active_md_devices:
+                                active_md_devices.append(dev_path)
+        except FileNotFoundError:
+            logger.debug("/proc/mdstat not found. Cannot check active arrays from /proc/mdstat.")
+        except Exception as e:
+            logger.error(f"Error reading /proc/mdstat: {e}")
+
+        # 现在，对每个找到的活动 MD 设备获取其详细信息
+        for device_path in active_md_devices:
+            try:
+                # 解析符号链接以获取规范路径，例如 /dev/md/0 -> /dev/md0
+                canonical_device_path = self._get_actual_md_device_path(device_path)
+                if not canonical_device_path:
+                    canonical_device_path = device_path # 如果解析失败，使用原始路径作为回退
+
+                detail_stdout, detail_stderr = self._run_command(["mdadm", "--detail", canonical_device_path], check_output=True)
+                array_info = self._parse_mdadm_detail_output(detail_stdout, canonical_device_path)
+                if array_info and array_info.get('uuid') and array_info.get('device'):
+                    # _parse_mdadm_detail_output 现在会更新 array_info['device'] 为规范路径
+                    # 使用 UUID 作为键，如果同一个阵列有多个表示，只保留一个（通常是活动的）
+                    all_arrays_info[array_info['uuid']] = array_info
+                else:
+                    logger.warning(f"无法从 mdadm --detail {canonical_device_path} 输出中解析 RAID 阵列信息: {detail_stdout[:100]}...")
+            except subprocess.CalledProcessError as e:
+                logger.warning(f"获取 RAID 阵列 {device_path} 详细信息失败: {e.stderr.strip()}")
+            except Exception as e:
+                logger.warning(f"处理 RAID 阵列 {device_path} 详细信息时发生错误: {e}")
+
+
+        # 2. 从 /etc/mdadm.conf 获取配置的 RAID 阵列信息 (可能包含已停止的)
+        mdadm_conf_paths = ["/etc/mdadm/mdadm.conf", "/etc/mdadm.conf"]
+        found_conf = False
+        for mdadm_conf_path in mdadm_conf_paths:
+            if os.path.exists(mdadm_conf_path):
+                found_conf = True
+                try:
+                    with open(mdadm_conf_path, 'r') as f:
+                        for line in f:
+                            line = line.strip()
+                            if line.startswith("ARRAY"):
+                                match_base = re.match(r'ARRAY\s+(\S+)\s*(.*)', line)
+                                if match_base:
+                                    device_path = match_base.group(1)
+                                    rest_of_line = match_base.group(2)
+
+                                    uuid = 'N/A'
+                                    name = os.path.basename(device_path) # Default name
+
+                                    uuid_match_conf = re.search(r'UUID=([0-9a-f:]+)', rest_of_line)
+                                    if uuid_match_conf:
+                                        uuid = uuid_match_conf.group(1)
+
+                                    name_match_conf = re.search(r'NAME=(\S+)', rest_of_line)
+                                    if name_match_conf:
+                                        name = name_match_conf.group(1)
+
+                                    if uuid != 'N/A': # 只有成功提取到 UUID 才添加
+                                        # 只有当此 UUID 对应的阵列尚未被识别为活动状态时，才添加为停止状态
+                                        if uuid not in all_arrays_info:
+                                            all_arrays_info[uuid] = {
+                                                'device': device_path,
+                                                'uuid': uuid,
+                                                'name': name,
+                                                'level': 'Unknown',
+                                                'state': 'Stopped (Configured)',
+                                                'array_size': 'N/A',
+                                                'active_devices': 'N/A',
+                                                'failed_devices': 'N/A',
+                                                'spare_devices': 'N/A',
+                                                'total_devices': 'N/A',
+                                                'chunk_size': 'N/A',
+                                                'member_devices': []
+                                            }
+                                    else:
+                                        logger.warning(f"无法从 mdadm.conf 行 '{line}' 中提取 UUID。")
+                                else:
+                                    logger.warning(f"无法解析 mdadm.conf 中的 ARRAY 行: '{line}'")
+                except Exception as e:
+                    logger.warning(f"读取或解析 {mdadm_conf_path} 失败: {e}")
+                break # 找到并处理了一个配置文件就退出循环
+
+        if not found_conf:
+            logger.info(f"未找到 mdadm 配置文件。")
+
+
+        # 返回所有阵列的列表
+        # 排序：活动阵列在前，然后是停止的
+        sorted_arrays = sorted(all_arrays_info.values(), key=lambda x: (x.get('state') != 'Active', x.get('device')))
+        return sorted_arrays
 
     def get_lvm_info(self):
         """
@@ -290,7 +424,7 @@ class SystemInfoManager:
 
         # Get PVs
         try:
-            stdout, _ = self._run_command(["pvs", "--reportformat", "json"])
+            stdout, stderr = self._run_command(["pvs", "--reportformat", "json"])
             data = json.loads(stdout)
             if 'report' in data and data['report']:
                 for pv_data in data['report'][0].get('pv', []):
@@ -307,13 +441,15 @@ class SystemInfoManager:
             if "No physical volume found" in e.stderr or "No physical volumes found" in e.stdout:
                 logger.info("未找到任何LVM物理卷。")
             else:
-                logger.error(f"获取LVM物理卷信息失败: {e}")
+                logger.error(f"获取LVM物理卷信息失败: {e.stderr.strip()}")
+        except json.JSONDecodeError as e:
+            logger.error(f"解析LVM物理卷JSON输出失败: {e}")
         except Exception as e:
-            logger.error(f"获取LVM物理卷信息失败: {e}")
+            logger.error(f"获取LVM物理卷信息失败 (未知错误): {e}")
 
         # Get VGs
         try:
-            stdout, _ = self._run_command(["vgs", "--reportformat", "json"])
+            stdout, stderr = self._run_command(["vgs", "--reportformat", "json"])
             data = json.loads(stdout)
             if 'report' in data and data['report']:
                 for vg_data in data['report'][0].get('vg', []):
@@ -332,14 +468,16 @@ class SystemInfoManager:
             if "No volume group found" in e.stderr or "No volume groups found" in e.stdout:
                 logger.info("未找到任何LVM卷组。")
             else:
-                logger.error(f"获取LVM卷组信息失败: {e}")
+                logger.error(f"获取LVM卷组信息失败: {e.stderr.strip()}")
+        except json.JSONDecodeError as e:
+            logger.error(f"解析LVM卷组JSON输出失败: {e}")
         except Exception as e:
-            logger.error(f"获取LVM卷组信息失败: {e}")
+            logger.error(f"获取LVM卷组信息失败 (未知错误): {e}")
 
         # Get LVs (MODIFIED: added -o lv_path)
         try:
             # 明确请求 lv_path，因为默认的 --reportformat json 不包含它
-            stdout, _ = self._run_command(["lvs", "-o", "lv_name,vg_name,lv_uuid,lv_size,lv_attr,origin,snap_percent,lv_path", "--reportformat", "json"])
+            stdout, stderr = self._run_command(["lvs", "-o", "lv_name,vg_name,lv_uuid,lv_size,lv_attr,origin,snap_percent,lv_path", "--reportformat", "json"])
             data = json.loads(stdout)
             if 'report' in data and data['report']:
                 for lv_data in data['report'][0].get('lv', []):
@@ -357,9 +495,11 @@ class SystemInfoManager:
             if "No logical volume found" in e.stderr or "No logical volumes found" in e.stdout:
                 logger.info("未找到任何LVM逻辑卷。")
             else:
-                logger.error(f"获取LVM逻辑卷信息失败: {e}")
+                logger.error(f"获取LVM逻辑卷信息失败: {e.stderr.strip()}")
+        except json.JSONDecodeError as e:
+            logger.error(f"解析LVM逻辑卷JSON输出失败: {e}")
         except Exception as e:
-            logger.error(f"获取LVM逻辑卷信息失败: {e}")
+            logger.error(f"获取LVM逻辑卷信息失败 (未知错误): {e}")
 
         return lvm_info
 
@@ -430,6 +570,10 @@ class SystemInfoManager:
             logger.warning(f"传入 _get_actual_md_device_path 的 array_path 不是字符串: {array_path} (类型: {type(array_path)})")
             return None
 
+        # 如果已经是规范的 /dev/mdX 路径，直接返回
+        if re.match(r'^/dev/md\d+$', array_path):
+            return array_path
+
         if os.path.exists(array_path):
             try:
                 # os.path.realpath 会解析符号链接，例如 /dev/md/new_raid -> /dev/md127
@@ -546,3 +690,69 @@ class SystemInfoManager:
         # 5. 如果仍然没有找到，返回 None
         logger.debug(f"get_device_details_by_path: 未能获取到 {original_device_path} 的任何详情。")
         return None
+
+    def delete_raid_array_config(self, uuid):
+        """
+        从 mdadm.conf 文件中删除指定 UUID 的 RAID 阵列配置条目。
+        :param uuid: 要删除的 RAID 阵列的 UUID。
+        :return: True 如果成功删除或未找到条目，False 如果发生错误。
+        :raises Exception: 如果删除失败。
+        """
+        logger.info(f"尝试从 mdadm.conf 中删除 UUID 为 {uuid} 的 RAID 阵列配置。")
+        mdadm_conf_paths = ["/etc/mdadm/mdadm.conf", "/etc/mdadm.conf"]
+        target_conf_path = None
+
+        # 找到存在的 mdadm.conf 文件
+        for path in mdadm_conf_paths:
+            if os.path.exists(path):
+                target_conf_path = path
+                break
+
+        if not target_conf_path:
+            logger.warning("未找到 mdadm 配置文件，无法删除配置条目。")
+            raise FileNotFoundError("mdadm 配置文件未找到。")
+
+        original_lines = []
+        try:
+            with open(target_conf_path, 'r') as f:
+                original_lines = f.readlines()
+        except Exception as e:
+            logger.error(f"读取 mdadm 配置文件 {target_conf_path} 失败: {e}")
+            raise Exception(f"读取 mdadm 配置文件失败: {e}")
+
+        new_lines = []
+        entry_found = False
+        for line in original_lines:
+            stripped_line = line.strip()
+            if stripped_line.startswith("ARRAY"):
+                # 尝试匹配 UUID
+                uuid_match = re.search(r'UUID=([0-9a-f:]+)', stripped_line)
+                if uuid_match and uuid_match.group(1) == uuid:
+                    logger.debug(f"找到并跳过 UUID 为 {uuid} 的配置行: {stripped_line}")
+                    entry_found = True
+                    continue # 跳过此行，即删除
+            new_lines.append(line)
+
+        if not entry_found:
+            logger.warning(f"在 mdadm.conf 中未找到 UUID 为 {uuid} 的 RAID 阵列配置条目。")
+            # 即使未找到，也不视为错误，因为可能已经被手动删除或从未写入
+            return True
+
+        # 将修改后的内容写回文件 (需要 root 权限)
+        try:
+            # 使用临时文件进行原子写入，防止数据损坏
+            temp_file_path = f"{target_conf_path}.tmp"
+            with open(temp_file_path, 'w') as f:
+                f.writelines(new_lines)
+
+            # 替换原文件
+            self._run_command(["mv", temp_file_path, target_conf_path], root_privilege=True)
+            logger.info(f"成功从 {target_conf_path} 中删除 UUID 为 {uuid} 的 RAID 阵列配置。")
+            return True
+        except subprocess.CalledProcessError as e:
+            logger.error(f"删除 mdadm 配置条目失败 (mv 命令错误): {e.stderr.strip()}")
+            raise Exception(f"删除 mdadm 配置条目失败: {e.stderr.strip()}")
+        except Exception as e:
+            logger.error(f"写入 mdadm 配置文件 {target_conf_path} 失败: {e}")
+            raise Exception(f"写入 mdadm 配置文件失败: {e}")
+