diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 7c20616..840e7c9 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         go:
-          - 1.19
+          - 1.21.3
     steps:
       - uses: actions/checkout@v2
 
diff --git a/.github/workflows/go-lint.yml b/.github/workflows/go-lint.yml
index ad6a176..11bf69b 100644
--- a/.github/workflows/go-lint.yml
+++ b/.github/workflows/go-lint.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Setup Go Environment
         uses: actions/setup-go@v1
         with:
-          go-version: '1.19.2'
+          go-version: '1.21.3'
       - name: check gofmt
         run: |
           diffs=`gofmt -l . | wc -l`
diff --git a/.github/workflows/today.yaml b/.github/workflows/today.yaml
new file mode 100644
index 0000000..0d27966
--- /dev/null
+++ b/.github/workflows/today.yaml
@@ -0,0 +1,55 @@
+name: "leetcode-question-today"
+
+on:
+  schedule:
+    - cron: "0 1 * * *" # beijing 9am.
+  workflow_dispatch:
+
+jobs:
+  today:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Checkout External Go Repo
+        uses: actions/checkout@v2
+        with:
+          repository: 'cloud-org/leetcode-question-today'
+          path: 'today'
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.21.3
+
+      - name: run cmd
+        working-directory: ./today
+        run: |
+          go mod tidy
+          go build -o ./main
+          ./main > run.log 2>&1
+
+      - name: Parse log and create issue
+        uses: actions/github-script@v5
+        with:
+          script: |
+            const fs = require('fs');
+            const path = require('path');
+            const logPath = path.join(process.env.GITHUB_WORKSPACE, 'today','run.log');
+            const logContent = fs.readFileSync(logPath, 'utf8');
+            const lines = logContent.split('\n');
+            const titleIndex = lines.findIndex(line => line.startsWith('Title: '));
+            if (titleIndex !== -1) {
+              const title = lines[titleIndex];
+              const body = lines.slice(titleIndex + 1, titleIndex + 5).join('\n');
+              github.rest.issues.create({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                title: title,
+                body: body,
+                labels: ['leetcode']
+              });
+            }
diff --git a/go.mod b/go.mod
index 1fea736..3d4101b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,9 +1,16 @@
 module algorithm
 
-go 1.19
+go 1.21
 
 require (
 	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869
-	github.com/kr/pretty v0.2.1 // indirect
 	github.com/stretchr/testify v1.6.1
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/kr/pretty v0.2.1 // indirect
+	github.com/kr/text v0.1.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
+)