修复色图r连发时未检测当前会话是否为群聊

plugins/send_setu_/send_setu/__init__.py

@@ -246,7 +246,11 @@ async def _(bot: Bot, event: MessageEvent, reg_group: Tuple[Any, ...] = RegexGro
         num = int(num)
     except ValueError:
         num = 1
-    if r18 and not Config.get_config("send_setu", "ALLOW_GROUP_R18"):
+    if (
+        r18
+        and not Config.get_config("send_setu", "ALLOW_GROUP_R18")
+        and isinstance(event, GroupMessageEvent)
+    ):
         await setu.finish(
             random.choice(["这种不好意思的东西怎么可能给这么多人看啦", "羞羞脸！给我滚出克私聊！", "变态变态变态变态大变态！"])
         )