Fixed message called other module's function, it return module is not defined

discord_bot.py

@@ -306,6 +306,7 @@ async def on_message(message):
 	            # 如果规则指定了函数，则调用对应的函数
 	            if "function" in rule:
 	                function_name = rule["function"]
+	                load_module_by_function_name(function_name)
 	                result = eval(f"await {function_name}()")
 	                await message.channel.send(result)
 	            # 否则发送预定义的响应消息