diff --git a/README.org b/README.org
index 38c9050..d3a6ef2 100644
--- a/README.org
+++ b/README.org
@@ -14,4 +14,6 @@ XMPP bot to preview links and file contents. Shikigami of the Shikigami of the G
   and run it with =python3.8+=
   #+BEGIN_QUOTE
   $ python main.py
+  or
+  $ dtach -n /tmp/chen.sock python3 main.py
   #+END_QUOTE
diff --git a/config.ini.default b/config.ini.default
index 72c2e28..321604a 100644
--- a/config.ini.default
+++ b/config.ini.default
@@ -2,5 +2,4 @@
 jid = chen@example.com
 password = b0TPA55W0rD
 nick = Chen
-autojoin = room1@muc.example.com room2@muc.example.com room3@muc.example.com
-upload_data_size = 100000000
\ No newline at end of file
+autojoin = room1@muc.example.com room2@muc.example.com room3@muc.example.com
\ No newline at end of file
diff --git a/main.py b/main.py
index 895124b..a334a61 100644
--- a/main.py
+++ b/main.py
@@ -17,7 +17,7 @@ parser = "html.parser"
 user_agent = "Mozilla/5.0 (X11; Linux x86_64; rv:10.0)"
 " Gecko/20100101 Firefox/10.0"
 accept_lang = "en-US"
-data_limit = upload_data_size  # 100MB
+data_limit = 786400000
 
 headers = {
     "user-agent": user_agent,
@@ -225,7 +225,6 @@ if __name__ == "__main__":
     password = config["chen"]["password"]
     nick = config["chen"]["nick"]
     autojoin = config["chen"]["autojoin"].split()
-    upload_data_size = config["chen"]["upload_data_size"]
     bot = ChenBot(jid, password, nick, autojoin=autojoin)
 
     bot.connect()