diff --git a/database.db b/database.db
index 3f8ea29..4cbc4c2 100644
Binary files a/database.db and b/database.db differ
diff --git a/src/models/friends.js b/src/models/friends.js
new file mode 100644
index 0000000..0d25f8a
--- /dev/null
+++ b/src/models/friends.js
@@ -0,0 +1,17 @@
+'use strict';
+
+module.exports = (sequelize, DataTypes) => {
+    var friends = sequelize.define ('friends', {
+      name: DataTypes.STRING,
+      email: DataTypes.STRING,
+      facebookId: DataTypes.STRING
+    }, {
+      classMethods: {
+        associate: (models) => {
+        }
+      }
+    });
+
+    return friends;
+
+}
diff --git a/src/models/post.js b/src/models/post.js
index 9f437cf..f47bb26 100644
--- a/src/models/post.js
+++ b/src/models/post.js
@@ -4,6 +4,7 @@ module.exports = (sequelize, DataTypes) => {
   var Post = sequelize.define('Post', {
     title: DataTypes.STRING,
     desc: DataTypes.STRING,
+    price: DataTypes.INTEGER
   }, {
     classMethods: {
       associate: (models) => {
diff --git a/test/unit/database/practice.test.js b/test/unit/database/practice.test.js
index 8918755..b3327fa 100644
--- a/test/unit/database/practice.test.js
+++ b/test/unit/database/practice.test.js
@@ -42,7 +42,7 @@ describe('practice', () => {
         price: 100,
       };
 
-      let result;
+      let result = await models.Post.create(input);
 
       result.title.should.be.eq('AAA');
       result.desc.should.be.eq('BBB');
@@ -74,7 +74,8 @@ describe('practice', () => {
     it('使用 sequelize 尋找 targetPost ', async (done) => {
       try {
 
-        let findTarget;
+        let findTarget = await models.Post.findOne({id: targetPost.id});
+        //models.Post.findById(targetPost.id) 也會pass
 
         findTarget.id.should.be.eq(targetPost.id);
         done();
@@ -91,8 +92,11 @@ describe('practice', () => {
           price: 999,
         }
 
-        let findTarget;
-        let result;
+        let findTarget = await models.Post.findById(targetPost.id);
+            findTarget.title = input.title;
+            findTarget.desc = input.desc;
+            findTarget.price = input.price;
+        let result = await findTarget.save();
 
         result.title.should.be.eq(input.title);
         result.desc.should.be.eq(input.desc);
@@ -106,7 +110,8 @@ describe('practice', () => {
     it('使用 sequelize 刪除 targetPost', async (done) => {
       try {
 
-        let findTarget;
+        let findTarget = await models.Post.findById(targetPost.id);
+        await findTarget.destroy();
 
         let check = await models.Post.findAll();
         (check.length === 0).should.be.true;
diff --git a/test/unit/facebook/friends.test.js b/test/unit/facebook/friends.test.js
new file mode 100644
index 0000000..86df71b
--- /dev/null
+++ b/test/unit/facebook/friends.test.js
@@ -0,0 +1,124 @@
+import FacebookHelper from '../../../src/facebook/helper.js'
+import task1_initModel from '../../../src/database/task1';
+
+describe.only('Facebook model test here',  () => {
+  let facebookHelper = null;
+  let model = null;
+  let rawFriends = [];
+  let friends = [];
+
+  before( async (done) => {
+
+    let userId = "718145738235098";
+    let token = "EAACEdEose0cBAAf3LjhVUNt2RFiaLwAeYKEutSUjb707wZABVylwox6CeZBW5kSvCZCAQM2Dg5PTeFk67NvmCzBTYWEaAMgJKXmzx4sWDFUAtlKP0pe7HoauD5cH8kAp3NaExlLbmtVqrqf1QNZCOY3tfTs10CYibGkzAeojLwZDZD";
+    facebookHelper = await new FacebookHelper({userId, token});
+    model = await task1_initModel();
+
+    try {
+      rawFriends = await facebookHelper.getFriends()
+
+      done();
+    } catch(e) {
+      done(e);
+    }
+  });
+
+  it('If friends from FB API should not empty', () => {
+    rawFriends.length.should.be.above(0);
+  });
+
+  it('Create your friends list', async (done) => {
+
+    try {
+      let formattedFriends = rawFriends.map((rawFriend) => {
+                               let friend = {};
+                               friend.name = rawFriend.name;
+                               friend.email = rawFriend.email;
+                               friend.facebookId = rawFriend.id;
+
+                               return friend;
+                             });
+
+      // console.log(`friendsList:::::${friendsList}`);
+      // console.log(`Model: ${model}, friends: ${model.friends}`);
+      friends = await model.friends.bulkCreate(formattedFriends);
+
+      friends.length.should.be.eq(rawFriends.length);
+
+      done();
+    } catch(e) {
+      done(e);
+    }
+
+  });
+
+  it('Find your friend', async (done) => {
+    try {
+
+      let resultFriends = await model.friends.findAll();
+
+      let dataFbIds = resultFriends.map((resultfriend) => {
+            return resultfriend.facebookId;
+      });
+      console.log(dataFbIds);
+
+      let apiFriendsId = rawFriends.map((friend) => {
+            return friend.id;
+      });
+      console.log(apiFriendsId);
+
+      dataFbIds.should.be.eql(apiFriendsId);
+      // resultFriend.should.not.be.eq(null);
+
+      done();
+
+    } catch(e){
+      done(e);
+    }
+
+  });
+
+  it('Update your friends data', async (done) => {
+    try {
+      const targetData = {
+        name: 'Trunk-studio',
+        email: 'hellojs@trunk.studio',
+      }
+
+      rawFriends.length.should.be.above(4);
+
+      let friendToUpdate = await model.friends.findOne({facebookId: rawFriends[3].id});
+      console.log(`friendToUpdate: ${friendToUpdate}`);
+
+      friendToUpdate.name = targetData.name;
+      friendToUpdate.email = targetData.email;
+
+      let result = await friendToUpdate.save();
+
+      result.name.should.be.eq(targetData.name);
+      result.email.should.be.eq(targetData.email);
+
+      done();
+    } catch(e) {
+      done(e);
+    }
+  });
+
+
+  it('Delete your friend data', async (done) =>{
+    try{
+
+      let trunk = await model.friends.findOne({ where : {name: 'Trunk-studio'}});
+
+      console.log(`trunk::: ${trunk}`);
+      await trunk.destroy();
+
+      let check = await model.friends.findOne({ where : {name: 'Trunk-studio'}});
+      (check === null).should.be.true;
+
+      done();
+    } catch(e){
+      done(e);
+    }
+  });
+});
diff --git a/test/unit/facebook/helper.test.js b/test/unit/facebook/helper.test.js
index 6856c56..7e88471 100644
--- a/test/unit/facebook/helper.test.js
+++ b/test/unit/facebook/helper.test.js
@@ -1,11 +1,13 @@
 import FacebookHelper from '../../../src/facebook/helper.js'
 
+
 describe('facebook-helper', () => {
   let facebookHelper = null;
 
+
   before((done) => {
-    let userId = "";
-    let token = "";
+    let userId = "718145738235098";
+    let token = "EAACEdEose0cBAEkcosKegVyQm61gWxVDCTGg4l1VSnoT2Y3aQUq4t96IjHKETxzPuMK0HNsDdkONInFHdugqUIUDNXt6uBNP4IUaBk1Sr5P2qPTNGgiLmZBmGsiRHz0PNFCWTs5T1e5qgJYOBuy9ZC2kcGR8f1rfcAAam9dAZDZD";
     facebookHelper = new FacebookHelper({userId, token});
     console.log(facebookHelper);
     done();