diff --git a/README.md b/README.md
index 225bab7d..55cb394e 100644
--- a/README.md
+++ b/README.md
@@ -336,6 +336,7 @@ PS: **ARM平台** 请使用全量版 同时 **如果你的机器 RAM < 1G 可能
 * 优化代码
 * 查看武器箱及皮肤添加更新次数
 * 修复添加群认证会检测群聊是否存在
+* 修复色图r连发时未检测当前会话是否为群聊
 
 ### 2023/3/18
 
diff --git a/plugins/send_setu_/send_setu/__init__.py b/plugins/send_setu_/send_setu/__init__.py
index 7b78db9e..ae2e0b82 100755
--- a/plugins/send_setu_/send_setu/__init__.py
+++ b/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！"])
         )