diff --git a/app.js b/app.js
index cf87f1a..9340404 100644
--- a/app.js
+++ b/app.js
@@ -24,6 +24,7 @@ class Nodezzarella {
                 var db = require('./lib/db/'+config.db+'/db');
                 new db().connectDB(configDB).then((connexion) => {
                     global.dbConnexion = connexion;
+                    global.dbConf = configDB;
                     this.run();
                 });
             }
diff --git a/classes/Article.class.js b/classes/Article.class.js
index 7f9a0b0..f78100e 100644
--- a/classes/Article.class.js
+++ b/classes/Article.class.js
@@ -8,16 +8,19 @@ var id,
     content,
     date,
     img,
+    categorieName,
+    categorieID,
     slug;
 
 class Article {
-    constructor(id, title, author, date, img, slug, content = null){
+    constructor(id, title, author, date, img, slug, categorieID, content = null){
         this.setId(id);
         this.setTitle(title);
         this.setAuthor(author);
         this.setDate(date);
         this.setImg(img);
         this.setSlug(slug);
+        this.setCategorieID(categorieID);
         (content !== null)?this.setContent(content):'';
     }
     
@@ -49,6 +52,14 @@ class Article {
         this.slug = slug;
     }
     
+    setCategorieID(categorieID){
+        this.categorieID = categorieID;
+    }
+    
+    setCategorieName(name){
+        this.categorieName = name;
+    }
+    
     getId(){
         return this.id;
     }
@@ -77,6 +88,10 @@ class Article {
         return this.slug;
     }
     
+    getcategorieID(){
+        return this.categorieID;
+    }
+    
 }
 
 module.exports = Article;
diff --git a/classes/Controllers/Categories.class.js b/classes/Controllers/Categories.class.js
index bdae1a0..cd2c01a 100644
--- a/classes/Controllers/Categories.class.js
+++ b/classes/Controllers/Categories.class.js
@@ -10,9 +10,12 @@ const log         = require('color-logs')(true, true, "Categories.class.js"),
 hbs.registerHelper('listArticle', function(tabs, options) {
     var i = 1;
     var out = '';
-    
-    for(var x in options['data']['root']){
-           out = out + "" + options.fn(options['data']['root'][x]) + "";  
+    log.debug();
+    var articles = options['data']['root'].getArticles(); 
+    articles.shift();
+    log.debug(articles);
+    for(var x in articles){
+        out = out + "" + options.fn(articles[x]) + "";  
         if(i == 3){
             i= 1;
             out = out + "</div><div class=\"row\">";
@@ -24,6 +27,10 @@ hbs.registerHelper('listArticle', function(tabs, options) {
     return out;
 });
 
+hbs.registerHelper('disclamer', function(tabs, options) {
+    return options.fn(options['data']['root'].getArticles()[0]) + ""; 
+});
+
 hbs.registerHelper('listNav', function(tabs, options) {
     var out = '';
     for(var x in options['data']['root']){
@@ -35,7 +42,6 @@ hbs.registerHelper('listNav', function(tabs, options) {
 
 hbs.registerHelper('article', function(tabs, options) {
     var out = '';
-    log.debug(options['data']['root']);
     for(var x in options['data']['root']){
         out = out + "" + options.fn(options['data']['root'][x]) + "";
         
@@ -60,7 +66,7 @@ class Categories {
                 ]
             },
             "condition" : "",
-            "limit": ""
+            "join": ""
         }).then((result) => {
             return new Promise((resolve, reject) => {
                 fs.readFile('./views/_nav.hbs', 'utf-8', (error, source) => {
@@ -79,10 +85,10 @@ class Categories {
     
     /**
      * hydrate global var
-     * @param {type} slug : url of categorie
+     * @param {type} select : object of select {id = id}
      * @returns {Promise} data of categories
      */    
-    getCategorie(slug){
+    getCategorie(select){
         var db = new dbConnector();
         return db.get({
             "select" : {
@@ -93,10 +99,8 @@ class Categories {
                     "description"
                 ]
             },
-            "condition" : {
-                "uri" : slug
-            },
-            "limit" : ""
+            "condition" : select,
+            "join" : ""
         }).then((result) =>  {
             return new Promise((resolve, reject) => {
                 var data = JSON.parse(result);
@@ -112,9 +116,10 @@ class Categories {
     /**
      * 
      * @param {<Categorie>} categorie : object categorie
+     * @param {string} returnFormat : format of return [object, json, html]
      * @returns {<Promise> listArticleToHTML} a list of article in HTML format
      */
-    getListArticles(categorie){
+    getListArticles(categorie, returnFormat){
         var db = new dbConnector();
         return db.get({
             "select" : {
@@ -124,25 +129,74 @@ class Categories {
                     "slug",
                     "author",
                     "date",
-                    "img"
+                    "img",
+                    "categorie_id"
                 ]
             },
             "condition" : {
                 "categorie_id" : categorie.getId()
             },
-            "limit" : ""
+            "join" : ""
         }).then((result) => {
             return new Promise((resolve) => {
                 var data = JSON.parse(result);
                 for(var i in data){
-                    categorie.setArticle(new Article(data[i].id,data[i].title, data[i].author, data[i].date, data[i].img, data[i].slug));
+                    categorie.setArticle(new Article(data[i].id,data[i].title, data[i].author, data[i].date, data[i].img, data[i].slug, data[i].categorie_id));
+                    categorie.getArticles()[i].setCategorieName(categorie.getTitle());
                 }
-                resolve(this.listArticlesToHTML(categorie));
+                switch(returnFormat){
+                    case 'html':
+                        resolve(this.listArticlesToHTML(categorie));
+                        break;
+                    case 'json':
+                        break;
+                    case 'object':
+                        break;
+                }
+                
                 
             });
         });
     }
     
+    getHomeListArticles(returnFormat){
+        var db = new dbConnector();
+        return db.get({
+            "select" : {
+                "articles" : []
+            },
+            "condition" : "",
+            "join" : {
+                "left" : "categorie_id",
+                "right" : {
+                    "db" : "categories",
+                    "index" : "id"
+                }
+            }
+        }).then((result) => {
+            return new Promise((resolve) => {
+                var data = JSON.parse(result);
+                //log.debug(data);
+                var categorie = new Categorie(0, "home", "/", "home");
+                for(var i in data){
+                    categorie.setArticle(new Article(data[i].left.id,data[i].left.title, data[i].left.author, data[i].left.date, data[i].left.img, data[i].left.slug, data[i].left.categorie_id));
+                    categorie.getArticles()[i].setCategorieName(data[i].right.title);
+                }
+                switch(returnFormat){
+                    case 'html':
+                        resolve(this.listArticlesToHTML(categorie));
+                        break;
+                    case 'json':
+                        break;
+                    case 'object':
+                        break;
+                }
+                    
+                
+                
+            });
+        });
+    }
     /**
      * 
      * @param {<Categorie>} categorie : object categorie
@@ -155,7 +209,7 @@ class Categories {
                     return articles;
                 });
                 var template = hbs.compile(source);
-                var html =  template(categorie.getArticles());
+                var html =  template(categorie);
                 resolve(html);
             });
         });
@@ -178,6 +232,7 @@ class Categories {
                     "author",
                     "date",
                     "img",
+                    "categorie_id",
                     "content"
                 ]
             },
@@ -185,11 +240,11 @@ class Categories {
                 "categorie_id" : categorie.getId(),
                 "slug" : uri
             },
-            "limit" : ""
+            "join" : ""
         }).then((result) => {
             return new Promise((resolve) => {
                 var data = JSON.parse(result);
-                categorie.setArticle(new Article(data[0].id,data[0].title, data[0].author, data[0].date, data[0].img, data[0].slug, data[0].content));
+                categorie.setArticle(new Article(data[0].id,data[0].title, data[0].author, data[0].date, data[0].img, data[0].slug, data[0].categorie_id, data[0].content));
                 fs.readFile('./views/articles/article.hbs', 'utf-8', (error, source) => {
                     if(error){
                         log.error(error);
diff --git a/connectorSelectQuery.json b/connectorSelectQuery.json
new file mode 100644
index 0000000..b022beb
--- /dev/null
+++ b/connectorSelectQuery.json
@@ -0,0 +1,19 @@
+{
+    "select": {
+        "table" : [
+            "field1",
+            "field2"
+        ]
+    },
+    "join" : {
+        "left" : "field_to_index",
+        "right" : {
+            "db" : "tableName",
+            "index" : "field_to_index"
+        }
+    },
+    "condition" : {
+        "field1" : "equal",
+        "field2" : "equal"
+    }
+}
diff --git a/lib/db/rethinkdb/db.js b/lib/db/rethinkdb/db.js
index 54a5265..f967c84 100644
--- a/lib/db/rethinkdb/db.js
+++ b/lib/db/rethinkdb/db.js
@@ -2,7 +2,7 @@ const r       = require("rethinkdb"),
       promise = require('promise'),
       fs      = require('fs'),
       log     = require("color-logs")(true, true, "RethinDB connector");
-    
+
 class rethinkdb{
     
     static constructor(){
@@ -12,13 +12,21 @@ class rethinkdb{
     get(query){
         return new Promise((resolve, reject) => {
         
-            var nbOfTable = Object.keys(query.select).length;
-
-            /**
+            /*
              * select table
              */
             var formatedQuery = r.table(Object.keys(query.select)[0]);
 
+            /*
+             * create join
+             */
+            if(typeof query.join === "object"){
+                formatedQuery = formatedQuery.eqJoin(query.join.left, r.db(dbConf.dbName).table(query.join.right.db))
+            }
+            
+            /*
+             * form filter / condition of qyert
+             */
             if(query.condition !== ""){
                 formatedQuery = formatedQuery.filter(query.condition);
             }
@@ -31,21 +39,17 @@ class rethinkdb{
                     break;
                 }
             }
+            // r.db("nodezzarella").table("articles").eqJoin("categorie_id", r.db("nodezzarella").table("categories")).pluck({"left":["id"]})
 
             if(selectCollumn.length > 0){
-                formatedQuery = formatedQuery.pluck(selectCollumn)
-            }
-
-            /**
-             * make join query
-             */
-            if(nbOfTable > 1){
-
+                formatedQuery = formatedQuery.pluck(selectCollumn);
             }
 
             /** 
              * run query
              */
+            //log.debug(formatedQuery);
+            
             formatedQuery.run(dbConnexion).then((cursor) => {
                 return cursor.toArray();
             }).then((result) =>  {
@@ -54,19 +58,6 @@ class rethinkdb{
                 throw err;
                 log.error(err);
             });
-            /*formatedQuery.run(dbConnexion, (err, result) => {
-                if(err) throw err;
-                var jsonReturn = [];
-                console.log(typeof result);
-                result.each(function(err, row) {
-                    if (err) throw err;
-                    log.debug(row);
-                    jsonReturn.push(row);
-                    //console.log(i);
-                });
-                resolve(jsonReturn);
-                
-            });*/
         });
     }
     
@@ -106,6 +97,9 @@ class rethinkdb{
     }
     
     connectDB(config){
+        this.host = config.host;
+        this.port = config.port;
+        this.dbName = config.dbName;
         log.info("Application connecting to database...");
         return r.connect({
             host: config.host,
diff --git a/lib/router.js b/lib/router.js
index 52b4920..cd92408 100644
--- a/lib/router.js
+++ b/lib/router.js
@@ -15,18 +15,17 @@ router.get("/", function(req, res){
     
     var categories = new Categories();
     Promise.all([
-        categories.getNav()
+        categories.getNav(),
+        categories.getHomeListArticles("html")
     ]).then((data) => {
         var nav = data[0];
-        var content = /*data[1]*/ "";
-        var disclaimer = /*data[2]*/ "";
+        var content = data[1];
         res.setHeader("Content-type", "text/html");
         var tplData  = {
             "blogName": config.siteTitle,
             "title": config.siteHomeTitle,
             "nav": nav,
             "content": content,
-            "disclaimer": disclaimer
         };
         res.render('template.hbs', tplData);
     }).catch((err) => {
@@ -43,15 +42,13 @@ router.get("/:uri/", function(req, res){
     ]).then(data => {
         var nav = data[0];
         var categorie = data[1];
-        categories.getListArticles(categorie).then((result) => {
-            log.debug(result)
+        categories.getListArticles(categorie, "html").then((result) => {
             res.setHeader("Content-type", "text/html");
             var tplData  = {
                 "blogName": config.siteTitle,
                 "title": categorie.getTitle() + " - "+config.siteHomeTitle,
                 "nav": nav,
                 "content": result,
-                "disclaimer": ''
             };
             res.render('template.hbs', tplData);
         })
@@ -77,7 +74,6 @@ router.get("/:categories/:slug", function(req, res){
                 "title": categorie.getTitle() + " - "+config.siteHomeTitle,
                 "nav": nav,
                 "content": result,
-                "disclaimer": ''
             };
             res.render('template.hbs', tplData);
         })
diff --git a/views/articles/disclaimer.hbs b/views/articles/disclaimer.hbs
deleted file mode 100644
index 21eb166..0000000
--- a/views/articles/disclaimer.hbs
+++ /dev/null
@@ -1,8 +0,0 @@
-<div id="disclaimer">
-    <div class="titleLegend">{{categorie}}</div>
-    <img class="separator" src="assets/img/separator.png">
-    <h2>{{title}}</h2>
-    <a href="{{slug}}">
-        <button>Consulter</button>
-    </a>
-</div>
\ No newline at end of file
diff --git a/views/articles/list.hbs b/views/articles/list.hbs
index a540ba8..4198502 100644
--- a/views/articles/list.hbs
+++ b/views/articles/list.hbs
@@ -1,3 +1,13 @@
+{{#disclamer article}}
+<div id="disclaimer">
+    <div class="titleLegend">{{categorieName}}</div>
+    <img class="separator" src="/assets/img/separator.png">
+    <h2>{{title}}</h2>
+    <a href="{{slug}}">
+        <button>Consulter</button>
+    </a>
+</div>
+{{/disclamer}}
 <main class="transparent">
     <section>
         <div class="flexgrid">
@@ -10,7 +20,7 @@
                     </div>
                     <div class="tileLegend">
                         <div class="content">
-                            <div class="titleLegend">{{categorie}}</div>
+                            <div class="titleLegend">{{categorieName}}</div>
                             <img class="blackAsset separator" src="/assets/img/separator.png">
                             <h2>{{title}}</h2>
                         </div>
diff --git a/views/template.hbs b/views/template.hbs
index 25a42ad..40baeb7 100644
--- a/views/template.hbs
+++ b/views/template.hbs
@@ -17,7 +17,6 @@
         <button> </button>
     </div>
 </div>-->
-{{{disclaimer}}}
 {{{content}}}
 <footer>