diff --git a/models/ldap/user.js b/models/ldap/user.js
index b6d7608..46eaf60 100644
--- a/models/ldap/user.js
+++ b/models/ldap/user.js
@@ -11,10 +11,6 @@ var userLUR = new LRUCache({
   maxAge: 60000,
 });
 
-const client = new Client({
-  url: conf.url,
-});
-
 const user_parse = function(data){
 	if(data[conf.userNameAttribute]){
 		data.username = data[conf.userNameAttribute];
@@ -31,6 +27,10 @@ User.backing = "LDAP";
 
 User.list = async function(){
 	try{
+		const client = new Client({
+			url: conf.url,
+		});
+
 		await client.bind(conf.bindDN, conf.bindPassword);
 
 		const res = await client.search(conf.userBase, {
@@ -49,6 +49,10 @@ User.list = async function(){
 
 User.listDetail = async function(){
 	try{
+		const client = new Client({
+			url: conf.url,
+		});
+
 		await client.bind(conf.bindDN, conf.bindPassword);
 
 		const res = await client.search(conf.userBase, {
@@ -86,7 +90,11 @@ User.get = async function(data, key){
 		data.searchValue = data.searchValue || data.uid;
 
 		let filter = `(&${conf.userFilter}(${data.searchKey}=${data.searchValue}))`;
-		if(userLUR.get(filter)) return userLUR.get(filter)
+		if(userLUR.get(filter)) return userLUR.get(filter);
+
+		const client = new Client({
+			url: conf.url,
+		});
 
 		await client.bind(conf.bindDN, conf.bindPassword);
 		const res = await client.search(conf.userBase, {
@@ -131,6 +139,10 @@ User.login = async function(data){
 		
 		let user = await this.get(data.uid || data[conf.userNameAttribute] || data.username);
 		
+		const client = new Client({
+			url: conf.url,
+		});
+
 		await client.bind(user.dn, data.password);
 		
 		await client.unbind();