修复变量名遮蔽问题

konabot/plugins/nya_echo/__init__.py

@@ -4,11 +4,11 @@ from nonebot_plugin_alconna import UniMessage, UniMsg, Text
 
 from konabot.common.nb.match_keyword import match_keyword
 
-evt_nya_v2 = on_message(rule=match_keyword("喵"))
+evt_nya = on_message(rule=match_keyword("喵"))
 
-@evt_nya_v2.handle()
+@evt_nya.handle()
 async def _():
-    await evt_nya_v2.send(await UniMessage().text("喵").export())
+    await evt_nya.send(await UniMessage().text("喵").export())
 
 
 NYA_SYMBOL_MAPPING = {