diff --git a/README.md b/README.md
index b40ba496b..64936bfe1 100644
--- a/README.md
+++ b/README.md
@@ -279,6 +279,10 @@ PS: **ARM平台** 请使用全量版 同时 **如果你的机器 RAM < 1G 可能
 
 ## 更新
 
+### 2022/9/10
+
+* 自定义群欢迎消息参数不完全时提示报错
+
 ### 2022/9/8
 
 * 添加插件数据初始化判断
diff --git a/basic_plugins/admin_bot_manage/custom_welcome_message.py b/basic_plugins/admin_bot_manage/custom_welcome_message.py
index 5b656b5d3..1b82f421b 100755
--- a/basic_plugins/admin_bot_manage/custom_welcome_message.py
+++ b/basic_plugins/admin_bot_manage/custom_welcome_message.py
@@ -36,11 +36,11 @@
 
 @custom_welcome.handle()
 async def _(event: GroupMessageEvent, arg: Message = CommandArg()):
+    msg = arg.extract_plain_text().strip()
+    img = get_message_img(event.json())
+    if not msg and not img:
+        await custom_welcome.finish(__plugin_usage__)
     try:
-        msg = arg.extract_plain_text().strip()
-        img = get_message_img(event.json())
-        if not msg and not img:
-            await custom_welcome.finish(__plugin_usage__)
         await custom_welcome.send(
             await custom_group_welcome(msg, img, event.user_id, event.group_id),
             at_sender=True,