diff --git a/lib/validate.js b/lib/validate.js
index 95b4b2a..a82a186 100644
--- a/lib/validate.js
+++ b/lib/validate.js
@@ -22,10 +22,22 @@ module.exports = function() {
 				if(!this.errors){
 					this.errors = ['no body to check'];
 				}
-				return new Validator(this, null, null,false, null ,false ); 
+				return new Validator(this, null, null,false, null ,false );
 			}
 			var body =  body.fields || body;	// koa-body fileds. multipart fields in body.fields
-			return new Validator(this, key, body[key], key in body , body);
+
+			var keyPath;
+			if (key.indexOf('.') >= 0) {
+				var keys = key.split('.');
+				key = keys.pop();
+				keyPath = keys.join('.');
+
+				keys.forEach(function (_key) {
+					body = body[_key] || {};
+				});
+			}
+
+			return new Validator(this, key, body[key], key in body, body, null, keyPath);
 		};
 		this.checkFile = function(key , deleteOnCheckFailed) {
 			if('undefined' == typeof this.request.body || 'undefined' == typeof this.request.body.files ) {
@@ -46,7 +58,7 @@ module.exports = function() {
 
 var v = require('validator');
 
-function Validator(context, key, value, exists, params , goOn) {
+function Validator(context, key, value, exists, params, goOn, keyPath) {
 	debug('validate for %s %s', key, value);
 	this.params = params;
 	this.context = context;
@@ -54,6 +66,7 @@ function Validator(context, key, value, exists, params , goOn) {
 	this.value = value;
 	this.exists = exists;
 	this.goOn = (false===goOn?false:true);
+	this.keyPath = keyPath;
 	if(this.value && this instanceof FileValidator && 'goOn' in this.value ){
 		this.goOn = this.value.goOn;
 	}
@@ -71,7 +84,8 @@ Validator.prototype.addError = function(tip) {
 		this.context.errors = [];
 	}
 	var e = {};
-	e[this.key] = tip;
+	var key = this.keyPath ? this.keyPath + '.' + this.key : this.key;
+	e[key] = tip;
 	this.context.errors.push(e);
 };
 
@@ -620,7 +634,7 @@ function coFsCopy(src,dst){
 		var dstSteam = fs.createWriteStream(dst);
 
 		srcStream.pipe(dstSteam);
-		srcStream.on('end', function() { 
+		srcStream.on('end', function() {
 			done();
 		});
 		srcStream.on('error', function(e) {
diff --git a/test/test_validate.js b/test/test_validate.js
index fcb0649..a79f861 100644
--- a/test/test_validate.js
+++ b/test/test_validate.js
@@ -1,429 +1,458 @@
-'use strict';
-
-var koa = require('koa'),
-request = require('supertest');
-require('should');
-
-
-function create_app(){
-	var app = koa();
-	app.use(require('koa-body')());
-	app.use(require('../lib/validate.js')());
-	app.use(require('koa-router')(app));
-	return app;
-}
-
-describe('koa-validate' , function(){
-	it("these validates should be to ok" , function(done){
-		var app = create_app();
-		app.post('/validate',function*(){
-			this.checkBody('optional').optional().len(3,20);
-			this.checkBody('name').notEmpty().len(3,20);
-			this.checkBody('empty').empty();
-			this.checkBody('match').match(/^abc$/i);
-			this.checkBody('notMatch').notMatch(/^xyz$/i);
-			this.checkBody('ensure').ensure(true);
-			this.checkBody('ensureNot').ensureNot(false);
-			this.checkBody('integer').isInt(/^abc$/i);
-			this.checkBody('float_').isFloat();
-			this.checkBody('in').in([1,2]);
-			this.checkBody('eq').eq("eq");
-			this.checkBody('neq').neq("eq");
-			this.checkBody('number4').gt(3);
-			this.checkBody('number4').lt(5);
-			this.checkBody('number4').ge(4);
-			this.checkBody('number4').le(4);
-			this.checkBody('number4').ge(3);
-			this.checkBody('number4').le(5);
-			this.checkBody('contains').contains("tain");
-			this.checkBody('notContains').notContains(" ");
-			this.checkBody('email').isEmail();
-			this.checkBody('url').isUrl();
-			this.checkBody('ip').isIp();
-			this.checkBody('alpha').isAlpha();
-			this.checkBody('numeric').isNumeric();
-			this.checkBody('an').isAlphanumeric();
-			this.checkBody('base64').isBase64();
-			this.checkBody('hex').isHexadecimal();
-			this.checkBody('color1').isHexColor();
-			this.checkBody('color2').isHexColor();
-			this.checkBody('color3').isHexColor();
-			this.checkBody('color4').isHexColor();
-			this.checkBody('low').isLowercase();
-			this.checkBody('up').isUppercase();
-			this.checkBody('div').isDivisibleBy(3);
-			this.checkBody('n').isNull();
-			this.checkBody('len').isLength(1,4);
-			this.checkBody('byteLenght').isByteLength(4,6);
-			this.checkBody('uuid').isUUID();
-			this.checkBody('date').isDate();
-			this.checkBody('time').isTime();
-			this.checkBody('after').isAfter(new Date("2014-08-06"));
-			this.checkBody('before').isBefore(new Date("2014-08-08"));
-			this.checkBody('in').isIn();
-			this.checkBody('credit').isCreditCard();
-			this.checkBody('isbn').isISBN();
-			this.checkBody('json').isJSON();
-			this.checkBody('mb').isMultibyte();
-			this.checkBody('ascii').isAscii();
-			this.checkBody('fw').isFullWidth();
-			this.checkBody('hw').isHalfWidth();
-			this.checkBody('vw').isVariableWidth();
-			this.checkBody('sp').isSurrogatePair();
-			if(this.errors){
-				this.body = this.errors;
-				 return;
-			}
-			if(8 !== this.request.body.age){
-					this.body= 'failed';
-			}
-			this.body= 'ok';
-		});
-		var req = request(app.listen());
-
-		req.post('/validate')
-		.send({
-			name:"jim",
-			empty:"",
-			email:"jim@gmail.com",
-			len:"len",
-			match:"abc",
-			notMmatch:"abc",
-			ensure:"",
-			ensureNot:"",
-			integer:12,
-			float_:1.23,
-			in:1,
-			eq:"eq",
-			neq:'neq',
-			number4:'4',
-			contains:"contains",
-			notContains:"notContains",
-			url:"http://www.google.com",
-			ip:'192.168.1.1',
-			alpha:"abxyABXZ",
-			numeric:"3243134",
-			an:"a1b2c3",
-			base64:"aGVsbG8=",
-			hex:"0a1b2c3ef",
-			color1:"#ffffff",
-			color2:"ffffff",
-			color3:"#fff",
-			color4:"fff",
-			low:"hello",
-			up:"HELLO",
-			div:"21",
-			n:"",
-			byteLenght:"你好",
-			uuid:"c8162b90-fdda-4803-843b-ed5851480c86",
-			time:"13:12:00",
-			date:"2014-08-07",
-			after:"2014-08-07",
-			before:"2014-08-07",
-			credit:"4063651340421805",
-			isbn:"9787513300711",
-			json:'{"a":1}',
-			mb:"多字节",
-			ascii:"fff",
-			fw:"宽字节",
-			hw:"a字节",
-			vw:"v多字节",
-			sp:'ABC千𥧄1-2-3'
-		})
-		.expect(200)
-		.expect('ok' ,done);
-	});
-
-	it("these validates fail tests should be to ok" , function(done){
-		var app = create_app();
-		app.post('/validate',function*(){
-			this.checkBody('name').notEmpty().len(3,20);
-			this.checkBody('notEmpty').notEmpty();
-			this.checkBody('notEmpty').len(2,3);
-			this.checkBody('match').match(/^abc$/i);
-			this.checkBody('integer').isInt(/^abc$/i);
-			this.checkBody('float_').isFloat();
-			this.checkBody('in').in([1,2]);
-			this.checkBody('eq').eq("eq");
-			this.checkBody('neq').neq("eq");
-			this.checkBody('number4').gt(5);
-			this.checkBody('number4').lt(3);
-			this.checkBody('number4').ge(5);
-			this.checkBody('number4').le(3);
-			this.checkBody('contains').contains("tain");
-			this.checkBody('notContains').notContains(" ");
-			this.checkBody('email').isEmail();
-			this.checkBody('url').isUrl();
-			this.checkBody('ip').isIp();
-			this.checkBody('alpha').isAlpha();
-			this.checkBody('numeric').isNumeric();
-			this.checkBody('an').isAlphanumeric();
-			this.checkBody('base64').isBase64();
-			this.checkBody('hex').isHexadecimal();
-			this.checkBody('color1').isHexColor();
-			this.checkBody('color2').isHexColor();
-			this.checkBody('color3').isHexColor();
-			this.checkBody('color4').isHexColor();
-			this.checkBody('low').isLowercase();
-			this.checkBody('up').isUppercase();
-			this.checkBody('div').isDivisibleBy(3);
-			this.checkBody('n').isNull();
-			this.checkBody('len').isLength(3,4);
-			this.checkBody('len1').isLength(3,4);
-			this.checkBody('byteLenght').isByteLength(4,6);
-			this.checkBody('uuid').isUUID();
-			this.checkBody('time').isTime();
-			this.checkBody('date').isDate();
-			this.checkBody('after').isAfter(new Date("2014-08-06"));
-			this.checkBody('before').isBefore(new Date("2014-08-02"));
-			this.checkBody('in').isIn([1,2]);
-			this.checkBody('credit').isCreditCard();
-			this.checkBody('isbn').isISBN();
-			this.checkBody('json').isJSON();
-			this.checkBody('mb').isMultibyte();
-			this.checkBody('ascii').isAscii();
-			this.checkBody('fw').isFullWidth();
-			this.checkBody('hw').isHalfWidth();
-			this.checkBody('vw').isVariableWidth();
-			this.checkBody('sp').isSurrogatePair();
-			console.log(this.errors)
-			if(this.errors.length === 49){
-				this.body = this.errors;
-				this.body = 'ok';
-				return ;
-			}
-			this.body= 'only '+this.errors.length+' errors';
-		});
-		var req = request(app.listen());
-
-		req.post('/validate')
-		.send({
-			name:"j",
-			empty:"fd",
-			email:"jim@@gmail.com",
-			len:"l",
-			len1:"length1",
-			match:"xyz",
-			integer:"12a",
-			float_:'a1.23',
-			in:'fd',
-			eq:"neq",
-			neq:'eq',
-			number4:'4',
-			contains:"hello" , 
-			notContains:"h f",
-			url:"google",
-			ip:'192.168.',
-			alpha:"321",
-			numeric:"fada",
-			an:"__a",
-			base64:"fdsaf",
-			hex:"hgsr",
-			color1:"#fffff",
-			color2:"fffff",
-			color3:"#ff",
-			color4:"ff",
-			low:"Hre",
-			up:"re",
-			div:"22",
-			n:"f",
-			byteLenght:"你",
-			uuid:"c8162b90-fdda-4803-843bed5851480c86",
-			date:"2014-0807",
-			time:"24:00:00",
-			after:"2014-08-05",
-			before:"2014-08-02",
-			credit:"4063651340421805332",
-			isbn:"978751330071154",
-			json:'{"a:1}',
-			mb:"fd",
-			ascii:"你好",
-			fw:"43",
-			hw:"你好",
-			vw:"aa",
-			sp:'fdfd'
-		})
-		.expect(200)
-		.expect('ok' ,done);
-	});
-	
-	it('there validate query should be to okay' , function(done){
-		var app = create_app();
-		app.get('/query',function*(){
-			this.checkQuery('name').notEmpty();
-			this.checkQuery('password').len(3,20);
-			if(this.errors){
-				this.body = this.errors;
-				 return;
-			}
-			this.body = 'ok';
-		});
-		request(app.listen())
-		.get('/query')
-		.query({
-			name:'jim',
-			password:'yeap'
-		}).expect(200)
-		.expect('ok' , done);
-	});
-	it('there validate params should be to okay' , function(done){
-		var app = create_app();
-		app.get('/:id',function*(){
-			this.checkParams('id').isInt();
-			if(this.errors){
-				this.body = this.errors;
-				 return;
-			}
-			this.body = 'ok';
-		});
-		request(app.listen())
-		.get('/123')
-		.expect(200)
-		.expect('ok' , done);
-	});
-	it('there sanitizers should be to okay' , function(done){
-		var app = create_app();
-		var url ="http://www.google.com/"
-		app.post('/sanitizers',function*(){
-			this.checkBody('default').default('default');
-			this.checkBody('int_').toInt();
-			this.checkBody('float_').toFloat();
-			this.checkBody('bool').toBoolean();
-			this.checkBody('date').toDate();
-			this.checkBody('trim').trim();
-			this.checkBody('ltrim').ltrim();
-			this.checkBody('rtrim').rtrim();
-			this.checkBody('up').toUp();
-			this.checkBody('low').toLow();
-			this.checkBody('escape').escape();
-			this.checkBody('stripLow').stripLow();
-			this.checkBody('whitelist').whitelist('ll');
-			this.checkBody('blacklist').blacklist('ll');
-			this.checkBody('encodeURI').decodeURI();
-			this.checkBody('decodeURI').encodeURI();
-			this.checkBody('encodeURIComponent').decodeURIComponent();
-			this.checkBody('decodeURIComponent').encodeURIComponent();
-			this.checkBody('rep').replace(',' ,'');
-			this.checkBody('base64').clone('base64Buffer').decodeBase64(true);
-			this.checkBody('base64').decodeBase64();
-			this.checkBody('debase64').encodeBase64();
-			this.checkBody('hash').clone('md5').md5();
-			this.checkBody('hash').clone('sha1').sha1();
-			this.checkBody('hash').clone('num1' ,1);
-			this.checkBody('json').toJson();
-			//console.log(this.request.body)
-			if(this.errors){
-				this.body = this.errors;
-				 return;
-			}
-			var body = this.request.body;
-			if('default' != body.default){
-				this.throw(500);
-			}
-			if(20 !== body.int_ ){
-				this.throw(500);
-			}
-			if(1.2 !== body.float_ ){
-				this.throw(500);
-			}
-			if(true!== body.bool ){
-				this.throw(500);
-			}
-			if(new Date('2014-01-01').getTime() !== body.date.getTime() ){
-				this.throw(500);
-			}
-
-			if('jim'!=body.trim){
-				this.throw(500);
-			}
-			if('jim '!=body.ltrim){
-				this.throw(500);
-			}
-			if(' jim'!=body.rtrim){
-				this.throw(500);
-			}
-			if('JIM'!=body.up){
-				this.throw(500);
-			}
-			if('jim'!=body.low){
-				this.throw(500);
-			}
-			if('<div>'!=body.escape){
-				this.throw(500);
-			}
-			if('abc'!=body.stripLow){
-				this.throw(500);
-			}
-			if('ll'!=body.whitelist){
-				this.throw(500);
-			}
-			if('heo'!=body.blacklist){
-				this.throw(500);
-			}
-			if(encodeURI(url)!=body.decodeURI){
-				this.throw(500);
-			}
-			if(decodeURI(url)!=body.encodeURI){
-				this.throw(500);
-			}
-			if(encodeURIComponent(url)!=body.decodeURIComponent){
-				this.throw(500);
-			}
-			if(decodeURIComponent(url)!=body.encodeURIComponent){
-				this.throw(500);
-			}
-			if('ab'!=body.rep){
-				this.throw(500);
-			}
-			if("hello"!=body.base64){
-				this.throw(500);
-			}
-			if('aGVsbG8='!=body.debase64){
-				this.throw(500);
-			}
-			'hello'.should.equal(body.base64Buffer.toString());
-			body.md5.should.equal('5d41402abc4b2a76b9719d911017c592');
-			if('aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d'!=body.sha1){
-				this.throw(500);
-			}
-			if(1!=body.num1){
-				this.throw(500);
-			}
-			if(1!=body.json.a){
-				this.throw(500);
-			}
-			this.body = 'ok';
-		});
-		request(app.listen())
-		.post('/sanitizers')
-		.send({
-			int_:'20',
-			float_:'1.2',
-			bool:'1',
-			date:'2014-01-01',
-			trim:' jim ',
-			ltrim:' jim ',
-			rtrim:' jim ',
-			json:'{"a":1}',
-			up:'jim',
-			low:'Jim',
-			escape:'<div>',
-			stripLow:'abc\r',
-			whitelist:'hello',
-			blacklist:'hello',
-			encodeURI:encodeURI(url),
-			decodeURI:url,
-			encodeURIComponent:encodeURIComponent(url),
-			decodeURIComponent:url,
-			rep:'a,b',
-			debase64:"hello",
-			base64:'aGVsbG8=',	//hello
-			hash:"hello",		//md5 should be 5d41402abc4b2a76b9719d911017c592 , shal should be aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d
-
-
-		}).expect(200)
-		.expect('ok' , done);
-	});
-});
-
-
+'use strict';
+
+var koa = require('koa'),
+request = require('supertest');
+require('should');
+
+
+function create_app(){
+	var app = koa();
+	app.use(require('koa-body')());
+	app.use(require('../lib/validate.js')());
+	app.use(require('koa-router')(app));
+	return app;
+}
+
+describe('koa-validate' , function(){
+	it("these validates should be to ok" , function(done){
+		var app = create_app();
+		app.post('/validate',function*(){
+			this.checkBody('optional').optional().len(3,20);
+			this.checkBody('name').notEmpty().len(3,20);
+			this.checkBody('empty').empty();
+			this.checkBody('match').match(/^abc$/i);
+			this.checkBody('notMatch').notMatch(/^xyz$/i);
+			this.checkBody('ensure').ensure(true);
+			this.checkBody('ensureNot').ensureNot(false);
+			this.checkBody('integer').isInt(/^abc$/i);
+			this.checkBody('float_').isFloat();
+			this.checkBody('in').in([1,2]);
+			this.checkBody('eq').eq("eq");
+			this.checkBody('neq').neq("eq");
+			this.checkBody('number4').gt(3);
+			this.checkBody('number4').lt(5);
+			this.checkBody('number4').ge(4);
+			this.checkBody('number4').le(4);
+			this.checkBody('number4').ge(3);
+			this.checkBody('number4').le(5);
+			this.checkBody('contains').contains("tain");
+			this.checkBody('notContains').notContains(" ");
+			this.checkBody('email').isEmail();
+			this.checkBody('url').isUrl();
+			this.checkBody('ip').isIp();
+			this.checkBody('alpha').isAlpha();
+			this.checkBody('numeric').isNumeric();
+			this.checkBody('an').isAlphanumeric();
+			this.checkBody('base64').isBase64();
+			this.checkBody('hex').isHexadecimal();
+			this.checkBody('color1').isHexColor();
+			this.checkBody('color2').isHexColor();
+			this.checkBody('color3').isHexColor();
+			this.checkBody('color4').isHexColor();
+			this.checkBody('low').isLowercase();
+			this.checkBody('up').isUppercase();
+			this.checkBody('div').isDivisibleBy(3);
+			this.checkBody('n').isNull();
+			this.checkBody('len').isLength(1,4);
+			this.checkBody('byteLenght').isByteLength(4,6);
+			this.checkBody('uuid').isUUID();
+			this.checkBody('date').isDate();
+			this.checkBody('time').isTime();
+			this.checkBody('after').isAfter(new Date("2014-08-06"));
+			this.checkBody('before').isBefore(new Date("2014-08-08"));
+			this.checkBody('in').isIn();
+			this.checkBody('credit').isCreditCard();
+			this.checkBody('isbn').isISBN();
+			this.checkBody('json').isJSON();
+			this.checkBody('mb').isMultibyte();
+			this.checkBody('ascii').isAscii();
+			this.checkBody('fw').isFullWidth();
+			this.checkBody('hw').isHalfWidth();
+			this.checkBody('vw').isVariableWidth();
+			this.checkBody('sp').isSurrogatePair();
+			this.checkBody('object.property').notEmpty().len(3,20);
+			this.checkBody('object.child.property').notEmpty().len(3,20);
+			this.checkBody('object.child.child.property').notEmpty().len(3,20);
+			if(this.errors){
+				this.body = this.errors;
+				 return;
+			}
+			if(8 !== this.request.body.age){
+					this.body= 'failed';
+			}
+			this.body= 'ok';
+		});
+		var req = request(app.listen());
+
+		req.post('/validate')
+		.send({
+			name:"jim",
+			empty:"",
+			email:"jim@gmail.com",
+			len:"len",
+			match:"abc",
+			notMmatch:"abc",
+			ensure:"",
+			ensureNot:"",
+			integer:12,
+			float_:1.23,
+			in:1,
+			eq:"eq",
+			neq:'neq',
+			number4:'4',
+			contains:"contains",
+			notContains:"notContains",
+			url:"http://www.google.com",
+			ip:'192.168.1.1',
+			alpha:"abxyABXZ",
+			numeric:"3243134",
+			an:"a1b2c3",
+			base64:"aGVsbG8=",
+			hex:"0a1b2c3ef",
+			color1:"#ffffff",
+			color2:"ffffff",
+			color3:"#fff",
+			color4:"fff",
+			low:"hello",
+			up:"HELLO",
+			div:"21",
+			n:"",
+			byteLenght:"你好",
+			uuid:"c8162b90-fdda-4803-843b-ed5851480c86",
+			time:"13:12:00",
+			date:"2014-08-07",
+			after:"2014-08-07",
+			before:"2014-08-07",
+			credit:"4063651340421805",
+			isbn:"9787513300711",
+			json:'{"a":1}',
+			mb:"多字节",
+			ascii:"fff",
+			fw:"宽字节",
+			hw:"a字节",
+			vw:"v多字节",
+			sp:'ABC千𥧄1-2-3',
+			object: {
+				property: 'property test',
+				child: {
+					property: 'child property test',
+					child: {
+						property: 'child property test'
+					}
+				}
+			}
+		})
+		.expect(200)
+		.expect('ok' ,done);
+	});
+
+	it("these validates fail tests should be to ok" , function(done){
+		var app = create_app();
+		app.post('/validate',function*(){
+			this.checkBody('name').notEmpty().len(3,20);
+			this.checkBody('notEmpty').notEmpty();
+			this.checkBody('notEmpty').len(2,3);
+			this.checkBody('match').match(/^abc$/i);
+			this.checkBody('integer').isInt(/^abc$/i);
+			this.checkBody('float_').isFloat();
+			this.checkBody('in').in([1,2]);
+			this.checkBody('eq').eq("eq");
+			this.checkBody('neq').neq("eq");
+			this.checkBody('number4').gt(5);
+			this.checkBody('number4').lt(3);
+			this.checkBody('number4').ge(5);
+			this.checkBody('number4').le(3);
+			this.checkBody('contains').contains("tain");
+			this.checkBody('notContains').notContains(" ");
+			this.checkBody('email').isEmail();
+			this.checkBody('url').isUrl();
+			this.checkBody('ip').isIp();
+			this.checkBody('alpha').isAlpha();
+			this.checkBody('numeric').isNumeric();
+			this.checkBody('an').isAlphanumeric();
+			this.checkBody('base64').isBase64();
+			this.checkBody('hex').isHexadecimal();
+			this.checkBody('color1').isHexColor();
+			this.checkBody('color2').isHexColor();
+			this.checkBody('color3').isHexColor();
+			this.checkBody('color4').isHexColor();
+			this.checkBody('low').isLowercase();
+			this.checkBody('up').isUppercase();
+			this.checkBody('div').isDivisibleBy(3);
+			this.checkBody('n').isNull();
+			this.checkBody('len').isLength(3,4);
+			this.checkBody('len1').isLength(3,4);
+			this.checkBody('byteLenght').isByteLength(4,6);
+			this.checkBody('uuid').isUUID();
+			this.checkBody('time').isTime();
+			this.checkBody('date').isDate();
+			this.checkBody('after').isAfter(new Date("2014-08-06"));
+			this.checkBody('before').isBefore(new Date("2014-08-02"));
+			this.checkBody('in').isIn([1,2]);
+			this.checkBody('credit').isCreditCard();
+			this.checkBody('isbn').isISBN();
+			this.checkBody('json').isJSON();
+			this.checkBody('mb').isMultibyte();
+			this.checkBody('ascii').isAscii();
+			this.checkBody('fw').isFullWidth();
+			this.checkBody('hw').isHalfWidth();
+			this.checkBody('vw').isVariableWidth();
+			this.checkBody('sp').isSurrogatePair();
+			this.checkBody('object.property').notEmpty().len(3,20);
+			this.checkBody('object.child.property').notEmpty().len(3,20);
+			this.checkBody('object.child.child.property').notEmpty().len(3,20);
+			console.log(this.errors)
+			if(this.errors.length === 52){
+				this.body = this.errors;
+				this.body = 'ok';
+				return ;
+			}
+			this.body= 'only '+this.errors.length+' errors';
+		});
+		var req = request(app.listen());
+
+		req.post('/validate')
+		.send({
+			name:"j",
+			empty:"fd",
+			email:"jim@@gmail.com",
+			len:"l",
+			len1:"length1",
+			match:"xyz",
+			integer:"12a",
+			float_:'a1.23',
+			in:'fd',
+			eq:"neq",
+			neq:'eq',
+			number4:'4',
+			contains:"hello" ,
+			notContains:"h f",
+			url:"google",
+			ip:'192.168.',
+			alpha:"321",
+			numeric:"fada",
+			an:"__a",
+			base64:"fdsaf",
+			hex:"hgsr",
+			color1:"#fffff",
+			color2:"fffff",
+			color3:"#ff",
+			color4:"ff",
+			low:"Hre",
+			up:"re",
+			div:"22",
+			n:"f",
+			byteLenght:"你",
+			uuid:"c8162b90-fdda-4803-843bed5851480c86",
+			date:"2014-0807",
+			time:"24:00:00",
+			after:"2014-08-05",
+			before:"2014-08-02",
+			credit:"4063651340421805332",
+			isbn:"978751330071154",
+			json:'{"a:1}',
+			mb:"fd",
+			ascii:"你好",
+			fw:"43",
+			hw:"你好",
+			vw:"aa",
+			sp:'fdfd',
+			object: {
+				property: ''
+			}
+		})
+		.expect(200)
+		.expect('ok' ,done);
+	});
+
+	it('there validate query should be to okay' , function(done){
+		var app = create_app();
+		app.get('/query',function*(){
+			this.checkQuery('name').notEmpty();
+			this.checkQuery('password').len(3,20);
+			if(this.errors){
+				this.body = this.errors;
+				 return;
+			}
+			this.body = 'ok';
+		});
+		request(app.listen())
+		.get('/query')
+		.query({
+			name:'jim',
+			password:'yeap'
+		}).expect(200)
+		.expect('ok' , done);
+	});
+	it('there validate params should be to okay' , function(done){
+		var app = create_app();
+		app.get('/:id',function*(){
+			this.checkParams('id').isInt();
+			if(this.errors){
+				this.body = this.errors;
+				 return;
+			}
+			this.body = 'ok';
+		});
+		request(app.listen())
+		.get('/123')
+		.expect(200)
+		.expect('ok' , done);
+	});
+	it('there sanitizers should be to okay' , function(done){
+		var app = create_app();
+		var url ="http://www.google.com/"
+		app.post('/sanitizers',function*(){
+			this.checkBody('default').default('default');
+			this.checkBody('int_').toInt();
+			this.checkBody('float_').toFloat();
+			this.checkBody('bool').toBoolean();
+			this.checkBody('date').toDate();
+			this.checkBody('trim').trim();
+			this.checkBody('ltrim').ltrim();
+			this.checkBody('rtrim').rtrim();
+			this.checkBody('up').toUp();
+			this.checkBody('low').toLow();
+			this.checkBody('escape').escape();
+			this.checkBody('stripLow').stripLow();
+			this.checkBody('whitelist').whitelist('ll');
+			this.checkBody('blacklist').blacklist('ll');
+			this.checkBody('encodeURI').decodeURI();
+			this.checkBody('decodeURI').encodeURI();
+			this.checkBody('encodeURIComponent').decodeURIComponent();
+			this.checkBody('decodeURIComponent').encodeURIComponent();
+			this.checkBody('rep').replace(',' ,'');
+			this.checkBody('base64').clone('base64Buffer').decodeBase64(true);
+			this.checkBody('base64').decodeBase64();
+			this.checkBody('debase64').encodeBase64();
+			this.checkBody('hash').clone('md5').md5();
+			this.checkBody('hash').clone('sha1').sha1();
+			this.checkBody('hash').clone('num1' ,1);
+			this.checkBody('json').toJson();
+			this.checkBody('object.int_').toInt();
+			this.checkBody('object.child.date').toDate();
+			//console.log(this.request.body)
+			if(this.errors){
+				this.body = this.errors;
+				 return;
+			}
+			var body = this.request.body;
+			if('default' != body.default){
+				this.throw(500);
+			}
+			if(20 !== body.int_ ){
+				this.throw(500);
+			}
+			if(1.2 !== body.float_ ){
+				this.throw(500);
+			}
+			if(true!== body.bool ){
+				this.throw(500);
+			}
+			if(new Date('2014-01-01').getTime() !== body.date.getTime() ){
+				this.throw(500);
+			}
+
+			if('jim'!=body.trim){
+				this.throw(500);
+			}
+			if('jim '!=body.ltrim){
+				this.throw(500);
+			}
+			if(' jim'!=body.rtrim){
+				this.throw(500);
+			}
+			if('JIM'!=body.up){
+				this.throw(500);
+			}
+			if('jim'!=body.low){
+				this.throw(500);
+			}
+			if('&lt;div&gt;'!=body.escape){
+				this.throw(500);
+			}
+			if('abc'!=body.stripLow){
+				this.throw(500);
+			}
+			if('ll'!=body.whitelist){
+				this.throw(500);
+			}
+			if('heo'!=body.blacklist){
+				this.throw(500);
+			}
+			if(encodeURI(url)!=body.decodeURI){
+				this.throw(500);
+			}
+			if(decodeURI(url)!=body.encodeURI){
+				this.throw(500);
+			}
+			if(encodeURIComponent(url)!=body.decodeURIComponent){
+				this.throw(500);
+			}
+			if(decodeURIComponent(url)!=body.encodeURIComponent){
+				this.throw(500);
+			}
+			if('ab'!=body.rep){
+				this.throw(500);
+			}
+			if("hello"!=body.base64){
+				this.throw(500);
+			}
+			if('aGVsbG8='!=body.debase64){
+				this.throw(500);
+			}
+			'hello'.should.equal(body.base64Buffer.toString());
+			body.md5.should.equal('5d41402abc4b2a76b9719d911017c592');
+			if('aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d'!=body.sha1){
+				this.throw(500);
+			}
+			if(1!=body.num1){
+				this.throw(500);
+			}
+			if(1!=body.json.a){
+				this.throw(500);
+			}
+			if(20 !== body.object.int_ ){
+				this.throw(500);
+			}
+			if(new Date('2014-01-01').getTime() !== body.object.child.date.getTime() ){
+				this.throw(500);
+			}
+			this.body = 'ok';
+		});
+		request(app.listen())
+		.post('/sanitizers')
+		.send({
+			int_:'20',
+			float_:'1.2',
+			bool:'1',
+			date:'2014-01-01',
+			trim:' jim ',
+			ltrim:' jim ',
+			rtrim:' jim ',
+			json:'{"a":1}',
+			up:'jim',
+			low:'Jim',
+			escape:'<div>',
+			stripLow:'abc\r',
+			whitelist:'hello',
+			blacklist:'hello',
+			encodeURI:encodeURI(url),
+			decodeURI:url,
+			encodeURIComponent:encodeURIComponent(url),
+			decodeURIComponent:url,
+			rep:'a,b',
+			debase64:"hello",
+			base64:'aGVsbG8=',	//hello
+			hash:"hello",		//md5 should be 5d41402abc4b2a76b9719d911017c592 , shal should be aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d
+			object: {
+				int_: 20,
+				child: {
+					date:'2014-01-01'
+				}
+			}
+
+		}).expect(200)
+		.expect('ok' , done);
+	});
+});