diff --git a/__init__.py b/__init__.py
index dc0ffd9..72ca85d 100644
--- a/__init__.py
+++ b/__init__.py
@@ -27,8 +27,19 @@ def startup():
         rlib.set_log_level(logger._core.extra.get("nonebot_log_level", "INFO"))
     except Exception as e:
         logger.error(f"设置日志等级失败: {e}")
+
+
+flag = False
+
+
+@driver.on_bot_connect
+def _():
+    global flag
+    if flag:
+        return
     rlib.boot(str(Path.cwd()), "nonebot_plugin_sekai_update_notify", pconfig.assets_studio_path)
     scheduler.add_job(sync, "interval", seconds=10, id="sekai_update_sync", replace_existing=True)
+    flag = True
 
 
 @driver.on_shutdown
diff --git a/lib.py b/lib.py
index 8e21686..17225e4 100644
--- a/lib.py
+++ b/lib.py
@@ -62,7 +62,6 @@ class FetchResultUnlinkedCards:
         )
 
 
-# 对应 Rust 中的 FetchResult 枚举
 FetchResultType = Union[FetchResultEvent, FetchResultUnlinkedCards]
 
 
diff --git a/sync.py b/sync.py
index eb3c0ab..d9586ae 100644
--- a/sync.py
+++ b/sync.py
@@ -36,7 +36,7 @@ async def sync():
         return
     for component in data:
         message = Message()
-        if component is FetchResultEvent:
+        if isinstance(component, FetchResultEvent):
             inner = [MessageSegment.text(f"活动 {component.event_id} 更新了！")]
         else:
             inner = [MessageSegment.text("发现了新的非活动卡牌！")]