diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..c34da64
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    ignore:
+      # Ignore Kubernetes dependencies to have full control on them.
+      - dependency-name: "k8s.io/*"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
diff --git a/.github/workflows/dev.yaml b/.github/workflows/dev.yaml
new file mode 100644
index 0000000..e52266b
--- /dev/null
+++ b/.github/workflows/dev.yaml
@@ -0,0 +1,27 @@
+name: dev
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    name: Test with Coverage
+    runs-on: ubuntu-latest
+    steps:
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: '1.20'
+    - name: Check out code
+      uses: actions/checkout@v2
+    - name: Install dependencies
+      run: |
+        go mod download
+    - name: Run Unit tests
+      run: |
+        go test -race -covermode atomic -coverprofile=covprofile ./...
+    - name: Install goveralls
+      run: go install github.com/mattn/goveralls@latest
+    - name: Send coverage
+      env:
+        COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+      run: goveralls -coverprofile=covprofile -service=github
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
new file mode 100644
index 0000000..f414d65
--- /dev/null
+++ b/.github/workflows/release.yaml
@@ -0,0 +1,50 @@
+name: release
+
+on:
+  push:
+    tags:
+      - '*'
+
+permissions:
+  contents: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.20
+      - 
+        name: Docker Login
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GH_TOKEN }}
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - 
+        name: Docker Setup Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v3.0.0
+      -
+        name: Available buildx platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v5
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
diff --git a/README.md b/README.md
index 2c1a6b6..4604491 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# RedisOperator
+# RedisOperator [![Coverage Status](https://coveralls.io/repos/github/alauda/redis-operator/badge.svg?branch=main)](https://coveralls.io/github/alauda/redis-operator?branch=main)
 
 https://github.com/spotahome/redis-operator
 https://github.com/ucloud/redis-cluster-operator
diff --git a/pkg/util/util_test.go b/pkg/util/util_test.go
index 3bb124f..1173801 100644
--- a/pkg/util/util_test.go
+++ b/pkg/util/util_test.go
@@ -135,8 +135,8 @@ func TestSlot(t *testing.T) {
 	if !fullSlots.IsFullfilled() {
 		t.Errorf("specified shard slots not fullfilled all slots")
 	}
-	if total > 16384 {
-		t.Errorf("specified shard slots duplicated")
+	if total == 16384 {
+		t.Errorf("shard slots must duplicated")
 	}
 }