diff --git a/config/initializers/nccu_ldap_connection.rb b/config/initializers/nccu_ldap_connection.rb
new file mode 100644
index 00000000..35e9ded8
--- /dev/null
+++ b/config/initializers/nccu_ldap_connection.rb
@@ -0,0 +1,25 @@
+#encoding: utf-8
+require 'mysql2'
+
+$nccu_ldap_connection
+
+module  NccuLdapConnection
+  BASE = 'ou=People,dc=nccu,dc=edu,dc=tw'
+
+  @ldap_host = { 
+    :host => '127.0.0.1',  #140.119.166.23 or 127.0.0.1
+    :port => 8001, #389 or 8001
+ #   :filter => "(uid=#{login_uid})",
+ #   :base => "ou=People,dc=nccu,dc=edu,dc=tw",
+    :authenticate_info => "cn=uccn,ou=profile,dc=nccu,dc=edu,dc=tw",
+    :authenticate_pwd => "nccu2ucc"
+  }
+
+  def self.establish
+    $nccu_ldap_connection = Net::LDAP.new
+    $nccu_ldap_connection.port = @ldap_host[:port]
+    $nccu_ldap_connection.host = @ldap_host[:host]
+    $nccu_ldap_connection.authenticate(@ldap_host[:authenticate_info],@ldap_host[:authenticate_pwd]) 
+  end
+
+end
\ No newline at end of file
diff --git a/config/nccu_mid_site.yml b/config/nccu_mid_site.yml
deleted file mode 100644
index d6b35603..00000000
--- a/config/nccu_mid_site.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-nccu_mid_site:
-  adapter: mysql2
-  encoding: utf8
-  reconnect: true
-  database: RSS23_NCCU_MIDDLE
-  pool: 5
-  username: rulingcom
-  password: 5w3iJQ9OJQMGhJibKP6YQje8
-  socket: /tmp/mysql.sock
\ No newline at end of file