diff --git a/assistant/config.py b/assistant/config.py
new file mode 100644
index 0000000..3ebe7c6
--- /dev/null
+++ b/assistant/config.py
@@ -0,0 +1,12 @@
+class global_var:
+    '''
+    全局变量，需要定义的全局变量都放在这里
+    '''
+    # 定义同步消息的groups
+    groupNames=[""]
+
+    commonName = '算法'
+    learnGroup = '每日一题算法7群'
+    transferGroup = '每日一题中转站'
+    gossipGroup = '每日一题灌水群'
+    listGroup = '清单'
diff --git a/assistant/main.py b/assistant/main.py
index ca4ab56..29ba443 100644
--- a/assistant/main.py
+++ b/assistant/main.py
@@ -3,6 +3,7 @@
 import json
 from wxpy import *
 import threading
+from config import global_var
 import time
 
 
@@ -15,12 +16,32 @@
 global group2
 global group3
 global group4
-groups = bot.groups().search('算法')
-group = bot.groups().search("每日一题算法7群")[0]
-group2 = bot.groups().search("每日一题中转站")[0]
-group3 = bot.groups().search("每日一题灌水群")[0]
-group4 = bot.groups().search("清单")[0]
+# groups = bot.groups().search('算法')
+# group = bot.groups().search("每日一题算法7群")[0]
+# group2 = bot.groups().search("每日一题中转站")[0]
+# group3 = bot.groups().search("每日一题灌水群")[0]
+# group4 = bot.groups().search("清单")[0]
 
+groups = bot.groups().search(global_var.commonName)
+
+#加入安全检测
+res = bot.groups().search(global_var.learnGroup)#刷题群
+if len(res)>0:
+    group = res[0]
+
+res = bot.groups().search(global_var.transferGroup)#中转站
+if len(res)>0:
+    group2 = res[0]
+
+res = bot.groups().search(global_var.gossipGroup)#灌水群
+if len(res)>0:
+    group3 = res[0]
+
+res = bot.groups().search(global_var.listGroup)#清单群
+if len(res)>0:
+    group4 = res[0]
+
+#
 #  logger = get_wechat_logger()
 #  logger.warning('這是一條WARNING等級的日志，你收到了嗎？')
 
@@ -79,7 +100,7 @@ def send_message_to_group():
     '''
     group2.send(message)
     global timer
-    timer = threading.Timer(10800, send_message_to_group)
+    timer = threading.Timer(20800, send_message_to_group)
     timer.start()
 
 timer = threading.Timer(7200, send_message_to_group)