diff --git a/config.gen.py b/config.gen.py
index 3219eb0..1f3030f 100644
--- a/config.gen.py
+++ b/config.gen.py
@@ -23,3 +23,7 @@ OWNER = 0
 
 # 日志频道 id 0 为不启用
 CHANNEL = 0
+
+# 帮助信息
+HELP = '**Group Word Cloud Bot**\n\n/start - 查看此帮助信息\n/ping - 我还活着吗？\n/rank - 手动生成词云（绒布球）\n\n' \
+       '此项目开源于：https://git.io/JnrvH'
diff --git a/func.py b/func.py
index 8655a27..872d211 100644
--- a/func.py
+++ b/func.py
@@ -3,7 +3,7 @@ import time
 import connector
 import telegram
 from telegram.ext import CommandHandler, MessageHandler, Filters
-from config import TOKEN, LIMIT_COUNT, EXCLUSIVE_MODE, RANK_COMMAND_MODE, OWNER, EXCLUSIVE_LIST, CHANNEL
+from config import TOKEN, LIMIT_COUNT, EXCLUSIVE_MODE, RANK_COMMAND_MODE, OWNER, EXCLUSIVE_LIST, CHANNEL, HELP
 import schedule
 from task import add_task
 
@@ -17,9 +17,9 @@ def start(update, context):
         return
     try:
         connector.get_connection().keys()
-        print('进入start函数')
+        print('进入 start 函数')
         update.message.reply_text(
-            'pong~',
+            HELP,
         )
     except Exception as e:
         print(e)
@@ -28,6 +28,21 @@ def start(update, context):
             update.message.reply_text(f"系统故障，Redis连接失败，错误信息：\n{e}")
 
 
+def ping(update, context):
+    # 限制不为群组
+    chat_type = update.effective_chat.type
+    if chat_type == "supergroup":
+        return
+    try:
+        connector.get_connection().keys()
+        print('进入 ping 函数')
+        update.message.reply_text(
+            'pong~',
+        )
+    except Exception as e:
+        print(e)
+
+
 def rank(update, context):
     try:
         r = connector.get_connection()
@@ -134,5 +149,6 @@ def check_schedule():
 
 
 start_handler = CommandHandler('start', start)
+ping_handler = CommandHandler('ping', ping)
 rank_handler = CommandHandler('rank', rank)
 chat_content_handler = MessageHandler(Filters.text, chat_content_exec)
diff --git a/main.py b/main.py
index e3cfbcd..90b30c5 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,6 @@
 from telegram.ext import Updater
 from config import TOKEN
-from func import start_handler, chat_content_handler, check_schedule, rank_handler
+from func import start_handler, ping_handler, chat_content_handler, check_schedule, rank_handler
 import schedule
 from task import schedule_task, flush_redis, do_task
 import threading
@@ -23,6 +23,7 @@ updater = Updater(token=TOKEN, use_context=True)
 dispatcher = updater.dispatcher
 
 dispatcher.add_handler(start_handler)
+dispatcher.add_handler(ping_handler)
 dispatcher.add_handler(rank_handler)
 dispatcher.add_handler(chat_content_handler)