diff --git a/Jenkinsfile b/Jenkinsfile
deleted file mode 100644
index 6532acc..0000000
--- a/Jenkinsfile
+++ /dev/null
@@ -1,34 +0,0 @@
-pipeline {
-  agent {
-    docker {
-      image 'node:8-alpine'
-    }
-
-  }
-  stages {
-    stage('run install') {
-      steps {
-        sh 'npm install'
-      }
-    }
-    stage('run migration') {
-      steps {
-        sh 'node_modules/.bin/sequelize db:migrate'
-      }
-    }
-    stage('run test') {
-      steps {
-        sh 'npm run test-jenkins'
-      }
-    }
-    stage('test report') {
-      steps {
-        junit(testResults: 'jenkins-test-results.xml', allowEmptyResults: true)
-      }
-    }
-  }
-  environment {
-    npm_config_cache = 'npm-cache'
-    HOME = '.'
-  }
-}
\ No newline at end of file
diff --git a/routes/index.js b/routes/index.js
index 4d3a12c..7e5bea4 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -58,4 +58,21 @@ router.put('/api/task/:id', async function (req, res) {
   res.json({task});
 });
 
+router.delete('/api/task/:id', async function (req, res) {
+  let id = req.params.id;
+  
+
+  let task = await models.Task.findOne({
+    where: {
+      id
+    }
+  });
+
+  task = await task.destroy();
+
+  res.json({
+    task
+  });
+});
+
 module.exports = router;
diff --git a/test/integration/user-creation-api.test.js b/test/integration/user-creation-api.test.js
index 1b497a0..88cfaf9 100644
--- a/test/integration/user-creation-api.test.js
+++ b/test/integration/user-creation-api.test.js
@@ -4,7 +4,7 @@ var app      = require('../../app');
 var expect   = require('expect.js');
 var request  = require('supertest');
 
-describe.only('user creation page', function () {
+describe('user creation page', function () {
   before(async function () {
       await require('../../models').sequelize.sync();
   });
@@ -84,6 +84,42 @@ describe.only('user creation page', function () {
       .and.to.have.property("completed");
     expect(result.task.completed).to.equal(true);
   });
+  it('透過 api 提供刪除 task 功能', async function () {
+    let username = 'frank test delete';
+    let user = await this.models.User.create({
+      username
+    });
+
+    let task = await this.models.Task.create({
+      title: 'frank test delete',
+      UserId: user.id,
+      completed: false
+    });
+    
+    user = await this.models.User.findOne({
+      where: {username},
+      include: this.models.Task
+    });
+    expect(user.Tasks).to.be.an('array')
+    expect(user.Tasks.length).to.be.equal(1);
+
+    let response = await request(app)
+      .del(`/api/task/${task.id}`);
+    let result = response.body;
 
+    expect(result.task)
+      .to.be.an('object')
+      .and.to.have.property("title")
+      .and.to.have.property("completed");
 
+    user = await this.models.User.findOne({
+      where: {username},
+      include: this.models.Task
+    });
+
+    expect(user.Tasks).to.be.an('array')
+    expect(user.Tasks.length).to.be.equal(0);
+
+
+  });
 });