diff --git a/.github/workflows/generateJson.yml b/.github/workflows/generateJson.yml
index 15e72bcf..fb7d2069 100644
--- a/.github/workflows/generateJson.yml
+++ b/.github/workflows/generateJson.yml
@@ -1,5 +1,5 @@
 name: Generate JSON
-'on':
+"on":
   push:
     branches:
       - master
@@ -12,32 +12,44 @@ jobs:
         with:
           persist-credentials: false
           fetch-depth: 0
+
       - name: Use node 12
         uses: actions/setup-node@v1
         with:
           node-version: 12.x
+
       - name: Get yarn cache
         id: yarn-cache
         run: 'echo "::set-output name=dir::$(yarn cache dir)"'
+
       - name: Cache Node.js modules
         uses: actions/cache@v1
         with:
-          path: '${{ steps.yarn-cache.outputs.dir }}'
-          key: '${{ runner.OS }}-yarn-${{ hashFiles(''**/yarn.lock'') }}'
+          path: "${{ steps.yarn-cache.outputs.dir }}"
+          key: "${{ runner.OS }}-yarn-${{ hashFiles('**/yarn.lock') }}"
           restore-keys: |
             ${{ runner.OS }}-yarn-
+
       - name: Install dependencies
         run: yarn
+
       - name: Generate file json
         run: yarn toJson
+
+      - name: Modify last update
+        run: |
+          d=`date '+%Y-%m-%dT%H:%M:%SZ'`
+          echo $d > LAST_UPDATED
+
       - name: Commit files report
         run: |
           git config --local user.email "actions@github.com"
           git config --local user.name "Github Actions"
           git add -A
-          git commit -m "✅ [Github Actions]: Generate json file"
+          git commit -m "✅ by Github Actions"
+
       - name: GitHub Push
         uses: ad-m/github-push-action@v0.5.0
         with:
-          github_token: '${{ secrets.GITHUB_TOKEN }}'
+          github_token: "${{ secrets.GITHUB_TOKEN }}"
           force: true
diff --git a/LAST_UPDATED b/LAST_UPDATED
new file mode 100644
index 00000000..e69de29b
diff --git a/event-banner/.gitkeep b/event-banner/.gitkeep
deleted file mode 100644
index 8b137891..00000000
--- a/event-banner/.gitkeep
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/event-banner/Screenshot_20200720-213224_Instagram.jpg b/event-banner/2020-07-belajar-js-skilvul.jpg
similarity index 100%
rename from event-banner/Screenshot_20200720-213224_Instagram.jpg
rename to event-banner/2020-07-belajar-js-skilvul.jpg
diff --git a/event-banner/ig-feed__2_.jpg b/event-banner/2020-08-core-web-vital.jpg
similarity index 100%
rename from event-banner/ig-feed__2_.jpg
rename to event-banner/2020-08-core-web-vital.jpg
diff --git a/event-banner/Screenshot_20201028-093641_Gallery.jpg b/event-banner/2020-10-intech-fest.jpg
similarity index 100%
rename from event-banner/Screenshot_20201028-093641_Gallery.jpg
rename to event-banner/2020-10-intech-fest.jpg
diff --git a/event-banner/start-summit-ext-oct-2020.jpg b/event-banner/2020-10-start-summit-ext.jpg
similarity index 100%
rename from event-banner/start-summit-ext-oct-2020.jpg
rename to event-banner/2020-10-start-summit-ext.jpg
diff --git a/photo/irfan-maulana-08-2019.JPG b/photo/2019-08-mazipan.jpg
similarity index 100%
rename from photo/irfan-maulana-08-2019.JPG
rename to photo/2019-08-mazipan.jpg