diff --git a/database.db b/database.db
index 3f8ea29..43bec3d 100644
Binary files a/database.db and b/database.db differ
diff --git a/src/models/friend.js b/src/models/friend.js
new file mode 100644
index 0000000..6563883
--- /dev/null
+++ b/src/models/friend.js
@@ -0,0 +1,16 @@
+'use strict';
+
+module.exports = (sequelize, DataTypes) => {
+  var Friend = sequelize.define('Friend', {
+    name: DataTypes.STRING,
+    facebookId: DataTypes.STRING,
+    email: DataTypes.STRING
+  }, {
+    classMethods: {
+      associate: (models) => {
+      }
+    }
+  });
+
+  return Friend;
+};
diff --git a/src/models/post.js b/src/models/post.js
index 9f437cf..2db7c7f 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/CurtHw/Hw.test.js b/test/unit/CurtHw/Hw.test.js
new file mode 100644
index 0000000..3f3bfb5
--- /dev/null
+++ b/test/unit/CurtHw/Hw.test.js
@@ -0,0 +1,104 @@
+import task1_initModel from '../../../src/database/task1';
+import FacebookHelper from '../../../src/facebook/helper.js'
+
+describe.only('HomwWork', () => {
+  let models = null;
+  let facebookHelper = null;
+  let friends = null;
+
+  before(async (done) => {
+    models = await task1_initModel();
+    let userId = "656537631096363";
+    let token = "EAACEdEose0cBALSWnixOLiY8WFvCkHJ2T1TXhO7Mip0VMzeSLjwZCZAEVZAIlKD4vlSA7iH96IZCMcjIyY8xIUQkVR3xRa6sLQL758fZAjLwKrbdnKSO9oeTCiNRGNgjJb188j5OZCI2wbNelCKoFzVDovJ88i5D9z4dohMvh8pAZDZD";
+    facebookHelper = new FacebookHelper({userId, token});
+    done();
+  });
+
+
+  it('把從 facebook 取得的 friends list 存入 sequelize 之 friend model (create)', async (done) => {
+    try {
+
+      //f_list => my friends List
+      friends = await facebookHelper.getFriends();
+      //write friends in to database.
+      let result = await models.Friend.bulkCreate(friends);
+      //friend numbers should equal database record numbers
+      friends.length.should.equal(result.length);
+      // friends = await facebookHelper.getFriends();
+      //
+      // let result =
+      // await models.Friend.create({
+      //   name: friends[0].name,
+      //   facebookId: friends[0].id,
+      //   email: '',
+      // });
+      //
+      // result.name.should.be.eq('傅耀德');
+      // result.facebookId.should.be.eq('901833236500661');
+      // result.email.should.be.eq('');
+      done();
+    } catch (e) {
+      done(e);
+    }
+  });
+
+  it('原本用 api 取得 friends list 改為透過查詢資料庫的方式 (find)', async (done) => {
+    try {
+
+
+      let friend = await models.Friend.findOne({
+        where: {
+          name: '傅耀德'
+        },
+      });
+      friend.name.should.equal('傅耀德');
+      done();
+    } catch (e) {
+      done(e);
+    }
+  });
+
+  it('將其中一個 friend 更新其 email 欄位為 hellojs@trunk.studio (update)', async (done) => {
+    try {
+
+
+      let friend = await models.Friend.findOne({
+        where: {
+          name: '傅耀德'
+        },
+      });
+      friend.email = 'hellojs@trunk.studio';
+      await friend.save();
+
+      friend.email.should.equal('hellojs@trunk.studio');
+      done();
+    } catch (e) {
+      done(e);
+    }
+  });
+
+  it('刪除該位 friend (delete)', async (done) => {
+    try {
+
+
+      let friend = await models.Friend.findOne({
+        where: {
+          name: '傅耀德'
+        },
+      });
+      await friend.destroy();
+
+      let test = await models.Friend.findOne({
+        where: {
+          name: '傅耀德'
+        },
+      });
+      (test === null ).should.be.true;
+
+      done();
+    } catch (e) {
+      done(e);
+    }
+  });
+
+});
diff --git a/test/unit/database/practice.test.js b/test/unit/database/practice.test.js
index 8918755..73fb37e 100644
--- a/test/unit/database/practice.test.js
+++ b/test/unit/database/practice.test.js
@@ -37,16 +37,21 @@ describe('practice', () => {
   it('使用 sequelize 新增一個 post 使測試 pass', async (done) => {
     try {
       const input = {
-        title: 'AAA',
-        desc: 'BBB',
-        price: 100,
+        name: '321',
+        facebookId: 'aaa',
+        email: 'aaa',
       };
 
-      let result;
+      let result =
+      await models.Friend.create({
+        name: '321',
+        facebookId: 'aaa',
+        email: 'aaa',
+      });
 
-      result.title.should.be.eq('AAA');
-      result.desc.should.be.eq('BBB');
-      result.price.should.be.eq(100);
+      result.name.should.be.eq('321');
+      result.facebookId.should.be.eq('aaa');
+      result.email.should.be.eq('aaa');
       done();
     } catch (e) {
       done(e);
diff --git a/test/unit/facebook/helper.test.js b/test/unit/facebook/helper.test.js
index 6856c56..5fe7edb 100644
--- a/test/unit/facebook/helper.test.js
+++ b/test/unit/facebook/helper.test.js
@@ -4,8 +4,8 @@ describe('facebook-helper', () => {
   let facebookHelper = null;
 
   before((done) => {
-    let userId = "";
-    let token = "";
+    let userId = "656537631096363";
+    let token = "EAACEdEose0cBAAl5zb7tl2OzTfLA2INXGd6NsJ6ZAZCvh3cw45fJB4IrkqGsGkSN99T5gJ4BImecZBsiABknIgt3XR0VzoX72gBJNFYm32rUbZAraVFsc56P5S4eRPNaYY9DP8vqMuZCuFgZBZC7F3MJV24cmtMAJyz5Br8r8e4TwZDZD";
     facebookHelper = new FacebookHelper({userId, token});
     console.log(facebookHelper);
     done();