diff --git a/plugins/hello/hello.py b/plugins/hello/hello.py
index 0309ddd..23de861 100644
--- a/plugins/hello/hello.py
+++ b/plugins/hello/hello.py
@@ -17,17 +17,24 @@ from config import conf
     version="0.1",
     author="lanvent",
 )
+
+
 class Hello(Plugin):
+
+    group_welc_prompt = "请你随机使用一种风格说一句问候语来欢迎新用户\"{nickname}\"加入群聊。"
+    group_exit_prompt = "请你随机使用一种风格介绍你自己，并告诉用户输入#help可以查看帮助信息。"
+    patpat_prompt = "请你随机使用一种风格跟其他群用户说他违反规则\"{nickname}\"退出群聊。"
+
     def __init__(self):
         super().__init__()
         try:
             self.config = super().load_config()
             if not self.config:
                 self.config = self._load_config_template()
-            self.group_welc_fixed_msg = self.config["group_welc_fixed_msg"]
-            self.group_welc_prompt = self.config["group_welc_prompt"]
-            self.group_exit_prompt = self.config["group_exit_prompt"]
-            self.patpat_prompt = self.config["patpat_prompt"]
+            self.group_welc_fixed_msg = self.config.get("group_welc_fixed_msg", {})
+            self.group_welc_prompt = self.config.get("group_welc_prompt", self.group_welc_prompt)
+            self.group_exit_prompt = self.config.get("group_exit_prompt", self.group_exit_prompt)
+            self.patpat_prompt = self.config.get("patpat_prompt", self.patpat_prompt)
             logger.info("[Hello] inited")
             self.handlers[Event.ON_HANDLE_CONTEXT] = self.on_handle_context
         except Exception as e: