diff --git a/package.json b/package.json
index 3147d32..ad5e23a 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
         "name": "AI字幕自动生成(v2)",
         "description": "使用whisper自动生成视频文件字幕,使用大模型翻译字幕成中文。",
         "labels": "字幕",
-        "version": "2.1",
+        "version": "2.2",
         "icon": "autosubtitles.jpeg",
         "author": "TimoYoung",
         "level": 1,
@@ -36,7 +36,8 @@
           "v1.1": "优化字幕翻译逻辑，优化日志输出",
           "v1.2": "fix openai_proxy打开时,翻译失败的问题,优化日志输出",
           "v2.0": "1.引入任务队列 2.支持监听媒体入库自动生成字幕 3.增加任务状态展示界面",
-          "v2.1": "支持清除历史记录"
+          "v2.1": "支持清除历史记录",
+          "v2.2": "fix"
         }
     },
     "CustomSites": {
diff --git a/plugins/autosubv2/__init__.py b/plugins/autosubv2/__init__.py
index 5eb8acf..f361c24 100644
--- a/plugins/autosubv2/__init__.py
+++ b/plugins/autosubv2/__init__.py
@@ -66,7 +66,7 @@ class AutoSubv2(_PluginBase):
     # 主题色
     plugin_color = "#2C4F7E"
     # 插件版本
-    plugin_version = "2.1"
+    plugin_version = "2.2"
     # 插件作者
     plugin_author = "TimoYoung"
     # 作者主页
@@ -1515,12 +1515,13 @@ class AutoSubv2(_PluginBase):
                 self._task_queue.get_nowait()
                 self._task_queue.task_done()
             logger.info("任务队列已清空")
-        for task_id in list(self._tasks.keys()):
-            task = self._tasks[task_id]
-            if task.status == TaskStatus.PENDING or task.status == TaskStatus.IN_PROGRESS:
-                task.status = TaskStatus.FAILED
-                task.complete_time = datetime.now()
-        self.save_tasks()  # 持久化更新后的任务列表
+        if self._tasks is not None:
+            for task_id in list(self._tasks.keys()):
+                task = self._tasks[task_id]
+                if task.status == TaskStatus.PENDING or task.status == TaskStatus.IN_PROGRESS:
+                    task.status = TaskStatus.FAILED
+                    task.complete_time = datetime.now()
+            self.save_tasks()  # 持久化更新后的任务列表
         self._running = False
         self._event.clear()
         logger.info(f"自动字幕生成服务已停止")