diff --git a/app/agent/tools/impl/query_download_tasks.py b/app/agent/tools/impl/query_download_tasks.py
index c52b8ee5..c872b9eb 100644
--- a/app/agent/tools/impl/query_download_tasks.py
+++ b/app/agent/tools/impl/query_download_tasks.py
@@ -29,7 +29,8 @@ class QueryDownloadTasksTool(MoviePilotTool):
     description: str = "Query download status and list download tasks. Can query all active downloads, or search for specific tasks by hash or title. Shows download progress, completion status, and task details from configured downloaders."
     args_schema: Type[BaseModel] = QueryDownloadTasksInput
 
-    def _get_all_torrents(self, download_chain: DownloadChain, downloader: Optional[str] = None) -> List[Union[TransferTorrent, DownloadingTorrent]]:
+    @staticmethod
+    def _get_all_torrents(download_chain: DownloadChain, downloader: Optional[str] = None) -> List[Union[TransferTorrent, DownloadingTorrent]]:
         """
         查询所有状态的任务（包括下载中和已完成的任务）
         """
diff --git a/app/agent/tools/manager.py b/app/agent/tools/manager.py
index 647a1131..584ba49b 100644
--- a/app/agent/tools/manager.py
+++ b/app/agent/tools/manager.py
@@ -151,18 +151,21 @@ class MoviePilotToolsManager:
                     normalized[key] = int(value)
                 except (ValueError, TypeError):
                     logger.warning(f"无法将参数 {key}='{value}' 转换为整数，保持原值")
-                    normalized[key] = value
+                    normalized[key] = None
             elif field_type == "number" and isinstance(value, str):
                 try:
                     normalized[key] = float(value)
                 except (ValueError, TypeError):
                     logger.warning(f"无法将参数 {key}='{value}' 转换为浮点数，保持原值")
-                    normalized[key] = value
-            elif field_type == "boolean" and isinstance(value, str):
-                # 转换字符串为布尔值
-                normalized[key] = value.lower() in ("true", "1", "yes", "on")
+                    normalized[key] = None
+            elif field_type == "boolean":
+                if isinstance(value, str):
+                    normalized[key] = value.lower() in ("true", "1", "yes", "on")
+                elif isinstance(value, (int, float)):
+                    normalized[key] = value != 0
+                else:
+                    normalized[key] = True
             else:
-                # 其他类型保持原样
                 normalized[key] = value
         
         return normalized
@@ -199,7 +202,11 @@ class MoviePilotToolsManager:
             elif isinstance(result, int, float):
                 formated_result = str(result)
             else:
-                formated_result = json.dumps(result, ensure_ascii=False, indent=2)
+                try:
+                    formated_result = json.dumps(result, ensure_ascii=False, indent=2)
+                except Exception as e:
+                    logger.warning(f"结果转换为JSON失败: {e}, 使用字符串表示")
+                    formated_result = str(result)
 
             return formated_result
         except Exception as e: