diff --git a/zhenxun/builtin_plugins/help_help.py b/zhenxun/builtin_plugins/help_help.py
index c315bcd8..e6342b4a 100644
--- a/zhenxun/builtin_plugins/help_help.py
+++ b/zhenxun/builtin_plugins/help_help.py
@@ -2,9 +2,9 @@ import os
 import random
 
 from nonebot import on_message
+from nonebot.adapters import Event
 from nonebot.matcher import Matcher
 from nonebot.plugin import PluginMetadata
-from nonebot.rule import to_me
 from nonebot_plugin_alconna import UniMsg
 from nonebot_plugin_session import EventSession
 
@@ -29,7 +29,13 @@ __plugin_meta__ = PluginMetadata(
     ).to_dict(),
 )
 
-_matcher = on_message(rule=to_me(), priority=996, block=False)
+
+async def rule(event: Event, message: UniMsg) -> bool:
+    text = message.extract_plain_text().strip()
+    return event.is_tome() and bool(text and len(text) < 20)
+
+
+_matcher = on_message(rule=rule, priority=996, block=False)
 
 
 _path = IMAGE_PATH / "_base" / "laugh"
@@ -47,6 +53,8 @@ async def _(matcher: Matcher, message: UniMsg, session: EventSession):
             if g.level < 0:
                 return
     if text := message.extract_plain_text().strip():
+        if len(text) > 100:
+            return
         if plugin := await PluginInfo.get_or_none(
             name=text,
             load_status=True,
diff --git a/zhenxun/builtin_plugins/shop/_data_source.py b/zhenxun/builtin_plugins/shop/_data_source.py
index c4343bbb..820bb037 100644
--- a/zhenxun/builtin_plugins/shop/_data_source.py
+++ b/zhenxun/builtin_plugins/shop/_data_source.py
@@ -492,9 +492,10 @@ class ShopManage:
         for i, p in enumerate(user.props):
             if prop := uuid2goods.get(p):
                 icon = ""
-                icon_path = ICON_PATH / prop.icon
-                if icon_path.exists():
-                    icon = (icon_path, 33, 33)
+                if prop.icon:
+                    icon_path = ICON_PATH / prop.icon
+                    if icon_path.exists():
+                        icon = (icon_path, 33, 33)
                 data_list.append(
                     [
                         icon,