diff --git a/docs/_includes/navigation.html b/docs/_includes/navigation.html
index 6eb08385..b2e31506 100644
--- a/docs/_includes/navigation.html
+++ b/docs/_includes/navigation.html
@@ -19,7 +19,6 @@
 					<li class=""><a href="{{site.baseurl}}/authn/social.html"><span class="none"></span>社交集成</a></li>
 					<li class=""><a href="{{site.baseurl}}/authn/google.html"><span class="none"></span>Google Authenticator</a></li>
 					<li class=""><a href="{{site.baseurl}}/authn/kerberos.html"><span class="none"></span>Kerberos/Spengo/AD</a></li>
-					<li class=""><a href="{{site.baseurl}}/authn/ldap_ad.html"><span class="none"></span>AD账号</a></li>
 					<li class=""><a href="{{site.baseurl}}/authn/ldap.html"><span class="none"></span>LDAP</a></li>
 				</ul>
 			</li>
diff --git a/docs/authn/ldap.md b/docs/authn/ldap.md
index 30404ce4..1d10d435 100644
--- a/docs/authn/ldap.md
+++ b/docs/authn/ldap.md
@@ -1 +1,63 @@
-TODO
\ No newline at end of file
+<h2>LDAP登录集成</h2>
+MaxKey支持LDAP包括Active Directory。
+
+
+<h3>注释默认数据库认证</h3>
+
+打开文件maxkey/spring/maxkey-security.xml,首先注释默认数据库认证方式
+
+<pre><code class="xml hljs">
+&lt;!-- Default Realm--&gt;
+&lt;!-- realm use jdbc --&gt;
+&lt;bean id="authenticationRealm" class="org.maxkey.authn.realm.jdbc.JdbcAuthenticationRealm"&gt;
+	&lt;constructor-arg ref="jdbcTemplate"/&gt;
+&lt;/bean&gt;
+</code></pre>
+
+<h3>LDAP支持</h3>
+
+<pre><code class="xml hljs">
+&lt;!-- LDAP Realm --&gt;
+&lt;bean id="authenticationRealm" class="org.maxkey.web.authentication.realm.ldap.LdapAuthenticationRealm"&gt;
+	&lt;constructor-arg ref="jdbcTemplate"/&gt;
+	&lt;property name="ldapServers"&gt;
+		&lt;list&gt;
+			&lt;bean id="ldapServer1" class="org.maxkey.web.authentication.realm.ldap.LdapServer"&gt;
+				&lt;property name="ldapUtils"&gt;
+					&lt;bean id="ldapUtils" class="org.maxkey.ldap.LdapUtils"&gt;
+						&lt;property name="providerUrl" value="ldap://localhost:389"&gt;&lt;/property&gt;
+						&lt;property name="principal" value="cn=root"&gt;&lt;/property&gt;
+						&lt;property name="credentials" value="rootroot"&gt;&lt;/property&gt;
+						&lt;property name="baseDN" value="dc=connsec,dc=com"&gt;&lt;/property&gt;
+					&lt;/bean&gt;
+				&lt;/property&gt;
+				&lt;property name="filterAttribute" value="uid"&gt;&lt;/property&gt;
+			&lt;/bean&gt;	
+		&lt;/list&gt;
+	&lt;/property&gt;
+&lt;/bean&gt; 
+</code></pre>
+
+<h3>Active Directory支持</h3>
+
+<pre><code class="xml hljs">
+&lt;!-- Active Directory  Realm --&gt;
+&lt;bean id="authenticationRealm" class="org.maxkey.web.authentication.realm.activedirectory.ActiveDirectoryAuthenticationRealm"&gt;
+	&lt;constructor-arg ref="jdbcTemplate"/&gt;
+	&lt;property name="activeDirectoryServers"&gt;
+		&lt;list&gt;
+			&lt;bean id="activeDirectory1" class="org.maxkey.web.authentication.realm.activedirectory.ActiveDirectoryServer"&gt;
+				&lt;property name="activeDirectoryUtils"&gt;
+					&lt;bean id="ldapUtils" class="org.maxkey.ldap.ActiveDirectoryUtils"&gt;
+						&lt;property name="providerUrl" value="ldap://localhost:389"&gt;&lt;/property&gt;
+						&lt;property name="principal" value="cn=root"&gt;&lt;/property&gt;
+						&lt;property name="credentials" value="rootroot"&gt;&lt;/property&gt;
+						&lt;property name="domain" value="connsec"&gt;&lt;/property&gt;
+					&lt;/bean&gt;
+				&lt;/property&gt;
+			&lt;/bean&gt;	
+		&lt;/list&gt;
+	&lt;/property&gt;
+&lt;/bean&gt; 
+</code></pre>
+
diff --git a/docs/authn/ldap_ad.md b/docs/authn/ldap_ad.md
deleted file mode 100644
index 30404ce4..00000000
--- a/docs/authn/ldap_ad.md
+++ /dev/null
@@ -1 +0,0 @@
-TODO
\ No newline at end of file