修复聊天气泡不能更改大小的bug

app/DataBase/micro_msg.py

@@ -31,6 +31,7 @@ def get_contact():
               from Contact inner join ContactHeadImgUrl on Contact.UserName = ContactHeadImgUrl.usrName
               where  Type=3 and Alias is not null 
               order by PYInitial
+              limit 30
               '''
         cursor.execute(sql)
         result = cursor.fetchall()