diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d6a85ea..1642165 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,8 +8,13 @@
 
 name: Build
 on:
-  push:
+#  push:
   workflow_dispatch:
+    inputs:
+      version:
+        description: 'tag'
+        required: false
+        type: string
 
 jobs:
   build:
@@ -23,40 +28,132 @@ jobs:
         uses: actions/checkout@main
 
       - name: Init Env
-        run : |
+        run: |
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
           git config --global user.name "github-actions[bot]"
-          sudo timedatectl set-timezone "Asia/Shanghai"
-          echo "release_tag=$(date +"%Y.%m.%d-%H%M")" >> $GITHUB_ENV
+          sudo timedatectl set-timezone "Asia/Shanghai" 
+
+      - name: Calculate tag
+        run: |
+          function increment_version() {
+            declare -a part=( ${1//\./ } )
+            declare    new
+            declare -i carry=1
+          
+            for (( CNTR=${#part[@]}-1; CNTR>=0; CNTR-=1 )); do
+              len=${#part[CNTR]}
+              new=$((part[CNTR]+carry))
+              [ ${#new} -gt $len ] && carry=1 || carry=0
+              [ $CNTR -gt 0 ] && part[CNTR]=${new: -len} || part[CNTR]=${new}
+            done
+            new="${part[*]}"
+            echo -e "${new// /.}"
+          }
+
+          git clone ${{ github.server_url }}/${{ github.repository }}
+          cd ${{ github.event.repository.name }}
+          CUR_TAG=$(git tag -l | tail -1)
+          NEW_TAG=$(increment_version ${CUR_TAG})
+          echo CUR_TAG: ${CUR_TAG}    NEW_TAG:${NEW_TAG}
+
+          if [ -n "${{ inputs.version }}" ]; then
+            echo "new_tag=${{ inputs.version }}" >> $GITHUB_ENV
+          else
+            echo "new_tag=${NEW_TAG}" >> $GITHUB_ENV
+          fi
+  
+          echo 'git_log<<EOF' >> $GITHUB_ENV
+          git log ${CUR_TAG}..HEAD --oneline >> $GITHUB_ENV
+          echo 'EOF' >> $GITHUB_ENV
+
+          cd ..
+          rm -rf ${{ github.event.repository.name }}
 
       - name: Build igc for ${{matrix.platform}}
-        run : |
+        run: |
           mkdir ./${{matrix.platform}} && chmod 777 ./${{matrix.platform}}
           sudo docker run -u 1000 --rm -t -v "${PWD}":/input -v "${PWD}/${{matrix.platform}}":/output fbelavenuto/syno-compiler compile-module ${{matrix.platform}}
           
           ls -al ${PWD}/${{matrix.platform}}
           tar zcvf igc-${{matrix.platform}}.tgz -C./${{matrix.platform}}/ .
+          rm -rf ${PWD}/${{matrix.platform}}
+
+      - name: Upload firmware to artifacts
+        uses: actions/upload-artifact@v3
+        if: (!cancelled())
+        with:
+          name: igc
+          path: ./igc-*.tgz
 
-      - name: Upload firmware to release
+      - name: Upload firmware to releases
         uses: softprops/action-gh-release@v1
         if: (!cancelled())
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: ${{ env.release_tag }}
-          files: ./igc*.tgz
+          tag_name: ${{ env.new_tag }}
+          body: |
+            Changes:  
+            ${{ env.git_log }}  
+          files: ./igc-*.tgz
 
-      - name: Delete workflow runs
-        uses: Mattraks/delete-workflow-runs@v2
-        with:
-          retain_days: 1
-          keep_minimum_runs: 9
+  ext:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Checkout
+        uses: actions/checkout@main
+
+      - name: Init Env
+        run: |
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+          git config --global user.name "github-actions[bot]"
+          sudo timedatectl set-timezone "Asia/Shanghai" 
 
-      - name: Remove old Releases
-        uses: dev-drprasad/delete-older-releases@v0.1.0
+      - name: download to artifacts
+        uses: actions/download-artifact@v3
         with:
-          keep_latest: 9
-          delete_tags: true
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          name: igc
+          path: ./
+
+      - name: update exts
+        run: |
+          ls -al
+
+          git clone ${{ github.server_url }}/${{ github.repository }}
+          cd ${{ github.event.repository.name }}
+          NEW_TAG=$(git tag -l | tail -1)
+          cd ..
+          rm -rf ${{ github.event.repository.name }}
+          echo NEW_TAG ${NEW_TAG}
+          echo "new_tag=${NEW_TAG}" >> $GITHUB_ENV
+
+          for i in igc-*.tgz
+          do
+            echo ${i}
+            rm -f ./igc/releases/${i}
+            cp -f ${i} ./igc/releases/${i}
+            platform=$(echo ${i} | awk -F'[-.]' '{ print $2 }')
+            configfile=./igc/releases/${platform}_42218.json
+            sed -i "s/$(jq -r .files[0].sha256 ${configfile})/$(sha256sum ./igc/releases/igc-${platform}.tgz | awk '{print $1}')/g" ${configfile}
+            sed -i "s/\"$(jq -r .mod_version ${configfile})\"/\"${NEW_TAG}\"/g" ${configfile}
+          done
+
+          baseurl=$(jq -r .url ./igc/rpext-index.json)
+          repotmp=${baseurl%/master/*}
+          oldrepo=${repotmp#*.com/}
+          echo ${oldrepo}
+          for i in $(find ./igc -name "*.json")
+          do
+            echo ${i}
+            sed -i "s|${oldrepo}|${{ github.repository }}|g" ${i}
+          done
+
+      - name: Commit and Push
+        run: |
+          if [ -n "$(git status -s | grep igc/)" ];then
+            git add ./igc/*
+            git commit -m "update ${{ env.new_tag }}"
+            git push -f
+          fi
 
diff --git a/igc/releases/apollolake_42218.json b/igc/releases/apollolake_42218.json
new file mode 100644
index 0000000..dfb1c6a
--- /dev/null
+++ b/igc/releases/apollolake_42218.json
@@ -0,0 +1,27 @@
+{
+  "mod_version": "1.2.3",
+
+  "files": [
+    {
+      "name": "igc-apollolake.tgz",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/igc-apollolake.tgz",
+      "sha256": "88fabe19a7ffcb26cb02c7c7f7bad9c1428cd6f170d5eb4826269b58502c91e1",
+      "packed": true
+    },
+    {
+      "name": "check-igc.sh",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/src/check-igc.sh",
+      "sha256": "4892e37cc4f974700b88332e005d61676257876938f8e57677c655a2eca5a8ef",
+      "packed": false
+    }
+  ],
+
+  "kmods": {
+    "igc.ko": ""
+  },
+
+    "scripts": {
+    "on_boot": "check-igc.sh"
+  }
+
+}
diff --git a/igc/releases/broadwell_42218.json b/igc/releases/broadwell_42218.json
new file mode 100644
index 0000000..fc5b8bc
--- /dev/null
+++ b/igc/releases/broadwell_42218.json
@@ -0,0 +1,27 @@
+{
+  "mod_version": "1.2.3",
+
+  "files": [
+    {
+      "name": "igc-broadwell.tgz",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/igc-broadwell.tgz",
+      "sha256": "668c458711dd6a2b57c22f093d9155e4acb464d7e15a5960a1ff32b35130eb2a",
+      "packed": true
+    },
+    {
+      "name": "check-igc.sh",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/src/check-igc.sh",
+      "sha256": "4892e37cc4f974700b88332e005d61676257876938f8e57677c655a2eca5a8ef",
+      "packed": false
+    }
+  ],
+
+  "kmods": {
+    "igc.ko": ""
+  },
+
+    "scripts": {
+    "on_boot": "check-igc.sh"
+  }
+
+}
diff --git a/igc/releases/broadwellnk_42218.json b/igc/releases/broadwellnk_42218.json
new file mode 100644
index 0000000..ff0fdff
--- /dev/null
+++ b/igc/releases/broadwellnk_42218.json
@@ -0,0 +1,27 @@
+{
+  "mod_version": "1.2.3",
+
+  "files": [
+    {
+      "name": "igc-broadwellnk.tgz",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/igc-broadwellnk.tgz",
+      "sha256": "a573a7dc6100a5d79ab236341edce783615c447174527ad58a3399c976d26cd5",
+      "packed": true
+    },
+    {
+      "name": "check-igc.sh",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/src/check-igc.sh",
+      "sha256": "4892e37cc4f974700b88332e005d61676257876938f8e57677c655a2eca5a8ef",
+      "packed": false
+    }
+  ],
+
+  "kmods": {
+    "igc.ko": ""
+  },
+
+    "scripts": {
+    "on_boot": "check-igc.sh"
+  }
+
+}
diff --git a/igc/releases/denverton_42218.json b/igc/releases/denverton_42218.json
new file mode 100644
index 0000000..1a755ef
--- /dev/null
+++ b/igc/releases/denverton_42218.json
@@ -0,0 +1,27 @@
+{
+  "mod_version": "1.2.3",
+
+  "files": [
+    {
+      "name": "igc-denverton.tgz",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/igc-denverton.tgz",
+      "sha256": "c4371ff8e2790688f1dc15ea38855274892114fda15f4ff63f1a639956cd1568",
+      "packed": true
+    },
+    {
+      "name": "check-igc.sh",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/src/check-igc.sh",
+      "sha256": "c4371ff8e2790688f1dc15ea38855274892114fda15f4ff63f1a639956cd1568",
+      "packed": false
+    }
+  ],
+
+  "kmods": {
+    "igc.ko": ""
+  },
+
+    "scripts": {
+    "on_boot": "check-igc.sh"
+  }
+
+}
diff --git a/igc/releases/geminilake_42218.json b/igc/releases/geminilake_42218.json
new file mode 100644
index 0000000..c70c2ba
--- /dev/null
+++ b/igc/releases/geminilake_42218.json
@@ -0,0 +1,27 @@
+{
+  "mod_version": "1.2.3",
+
+  "files": [
+    {
+      "name": "igc-geminilake.tgz",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/igc-geminilake.tgz",
+      "sha256": "0393d253f1a989f00660007f7a1eaf4b178da633819eaf89eb5b3d97a2b3a9f2",
+      "packed": true
+    },
+    {
+      "name": "check-igc.sh",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/src/check-igc.sh",
+      "sha256": "4892e37cc4f974700b88332e005d61676257876938f8e57677c655a2eca5a8ef",
+      "packed": false
+    }
+  ],
+
+  "kmods": {
+    "igc.ko": ""
+  },
+
+    "scripts": {
+    "on_boot": "check-igc.sh"
+  }
+
+}
diff --git a/igc/releases/igc-apollolake.tgz b/igc/releases/igc-apollolake.tgz
new file mode 100644
index 0000000..8980be2
Binary files /dev/null and b/igc/releases/igc-apollolake.tgz differ
diff --git a/igc/releases/igc-broadwell.tgz b/igc/releases/igc-broadwell.tgz
new file mode 100644
index 0000000..d0bdbbf
Binary files /dev/null and b/igc/releases/igc-broadwell.tgz differ
diff --git a/igc/releases/igc-broadwellnk.tgz b/igc/releases/igc-broadwellnk.tgz
new file mode 100644
index 0000000..bb697a7
Binary files /dev/null and b/igc/releases/igc-broadwellnk.tgz differ
diff --git a/igc/releases/igc-denverton.tgz b/igc/releases/igc-denverton.tgz
new file mode 100644
index 0000000..d3ae7eb
Binary files /dev/null and b/igc/releases/igc-denverton.tgz differ
diff --git a/igc/releases/igc-geminilake.tgz b/igc/releases/igc-geminilake.tgz
new file mode 100644
index 0000000..fd20e71
Binary files /dev/null and b/igc/releases/igc-geminilake.tgz differ
diff --git a/igc/releases/igc-v1000.tgz b/igc/releases/igc-v1000.tgz
new file mode 100644
index 0000000..6ca062b
Binary files /dev/null and b/igc/releases/igc-v1000.tgz differ
diff --git a/igc/releases/v1000_42218.json b/igc/releases/v1000_42218.json
new file mode 100644
index 0000000..73f3176
--- /dev/null
+++ b/igc/releases/v1000_42218.json
@@ -0,0 +1,27 @@
+{
+  "mod_version": "1.2.3",
+
+  "files": [
+    {
+      "name": "igc-v1000.tgz",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/igc-v1000.tgz",
+      "sha256": "866595bcc65f7c50267d2a5bb83813ff86aa1f6d09d602b9d0861512eafd89ff",
+      "packed": true
+    },
+    {
+      "name": "check-igc.sh",
+      "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/src/check-igc.sh",
+      "sha256": "4892e37cc4f974700b88332e005d61676257876938f8e57677c655a2eca5a8ef",
+      "packed": false
+    }
+  ],
+
+  "kmods": {
+    "igc.ko": ""
+  },
+
+    "scripts": {
+    "on_boot": "check-igc.sh"
+  }
+
+}
diff --git a/igc/rpext-index.json b/igc/rpext-index.json
new file mode 100644
index 0000000..090996d
--- /dev/null
+++ b/igc/rpext-index.json
@@ -0,0 +1,79 @@
+{
+  "id": "jim3ma.igc",
+  "url": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/rpext-index.json",
+  "info": {
+    "name": "igc",
+    "description": "Adds Intel(R) 2.5G Ethernet Linux Driver Support",
+    "author_url": "https://github.com/wjz304/synology-igc",
+    "packer_url": "https://github.com/wjz304/synology-igc",
+    "help_url": "<todo>"
+  },
+  "releases": {
+"ds3617xs_42218": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/broadwell_42218.json",
+"ds3617xs_42621": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/broadwell_42218.json",
+"ds3617xs_42661": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/broadwell_42218.json",
+"ds3617xs_42951": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/broadwell_42218.json",
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+"ds3622xsp_42218": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/broadwellnk_42218.json",
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+"fs3600_42218": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/broadwellnk_42218.json",
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+"ds1621p_42218": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/v1000_42218.json",
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+"fs2500_42962": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/v1000_42218.json",
+"dva3221_42218": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/denverton_42218.json",
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+"ds918p_42218": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/apollolake_42218.json",
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+"ds920p_42218": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"ds920p_42621": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
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+"ds920p_42962": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"ds1520p_42218": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"ds1520p_42621": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"ds1520p_42661": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"ds1520p_42951": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"ds1520p_42962": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"dva1622_42218": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"dva1622_42621": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"dva1622_42661": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"dva1622_42951": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"dva1622_42962": "https://raw.githubusercontent.com/wjz304/synology-igc/master/igc/releases/geminilake_42218.json",
+"endofmodel": "endofurls"
+  }
+}
diff --git a/igc/src/check-igc.sh b/igc/src/check-igc.sh
new file mode 100644
index 0000000..0155bca
--- /dev/null
+++ b/igc/src/check-igc.sh
@@ -0,0 +1,10 @@
+#
+# Checking modules is loaded
+#
+
+echo -n "Loading module igc -> "
+
+if [ `/sbin/lsmod |grep -i igc|wc -l` -gt 0 ] ; then
+        echo "Module igc loaded succesfully"
+        else echo "Module igc is not loaded "
+fi