diff --git a/index.js b/index.js
index 7979716..33f1e07 100644
--- a/index.js
+++ b/index.js
@@ -62,6 +62,13 @@ function setupHeadFeeder() {
       let hash = Utility.extractBasename(item.link)
       // branch names consisting of 40 hex characters are not allowed
       let shortHash = hash.substr(0, 8)
+      const { data: result } = await github.searchIssue(remote, { hash })
+
+      if (result.total_count === 0) {
+        let body = `本家のドキュメントに更新がありました:page_facing_up:\r\nOriginal:${item.link}`
+        const { data: newIssue } = await github.createIssue(remote, { title: `[Doc]: ${item.title}`, body, labels: ['documentation'] })
+        Utility.log('S', `Issue created: ${newIssue.html_url}`)
+      }
 
       if (repo.existsRemoteBranch(shortHash)) {
         Utility.log('W', `Remote branch already exists: ${shortHash}`)
diff --git a/lib/github.js b/lib/github.js
index 48a5a0f..a695950 100644
--- a/lib/github.js
+++ b/lib/github.js
@@ -13,6 +13,43 @@ class GitHub {
     })
   }
 
+  createIssue(remote, params = {}) {
+    return new Promise((resolve, reject) => {
+      this.github.issues.create({
+        owner: remote.upstream.owner,
+        repo: remote.upstream.name,
+        title: params.title,
+        body: params.body,
+        labels: params.labels,
+      })
+        .then(res => resolve(res))
+        .catch(err => reject(err))
+    })
+  }
+
+  closeIssue(remote, params = {}) {
+    return new Promise((resolve, reject) => {
+      this.github.issues.edit({
+        owner: remote.upstream.owner,
+        repo: remote.upstream.name,
+        number: params.number,
+        state: 'closed',
+      })
+        .then(res => resolve(res))
+        .catch(err => reject(err))
+    })
+  }
+
+  searchIssue(remote, params = {}) {
+    return new Promise((resolve, reject) => {
+      this.github.search.issues({
+        q: `${params.hash} repo:${remote.upstream.owner}/${remote.upstream.name} type:issue`,
+      })
+        .then(res => resolve(res))
+        .catch(err => reject(err))
+    })
+  }
+
   createPullRequest(remote, params = {}) {
     return new Promise((resolve, reject) => {
       this.github.pullRequests.create({
diff --git a/test/lib/github.js b/test/lib/github.js
index 76dbbd0..c4c670e 100644
--- a/test/lib/github.js
+++ b/test/lib/github.js
@@ -16,6 +16,34 @@ describe('Github', function () {
     },
   }
 
+  describe('issue', function () {
+    let issueNumber
+    let hash = 'c0601c7981c0b6a53373cc70c2a1edb20908da68'
+    let url = `https://github.com/vuejs-jp-bot/test/commit/${hash}`
+
+    describe('createIssue()', function () {
+      it('creates new issue', async function () {
+        const { data: newIssue } = await github.createIssue(remote, { title: 'Test', body: `Test\r\nOriginal:${url}`, labels: ['documentation'] })
+        issueNumber = newIssue.number
+        assert(newIssue.state === 'open')
+      })
+    })
+
+    describe('searchIssue()', function () {
+      it('seaches issue', async function () {
+        const { data: result } = await github.searchIssue(remote, { hash })
+        assert(result.total_count >= 1)
+      })
+    })
+
+    describe('closeIssue()', async function () {
+      it('closes opened issue', async function () {
+        const { data: closedIssue } = await github.closeIssue(remote, { number: issueNumber })
+        assert(closedIssue.state === 'closed')
+      })
+    })
+  })
+
   describe('pullRequest', function () {
     let pullRequestNumber