diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..b73280a
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: go-co-op
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..ca534ca
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,18 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  # Maintain Go dependencies
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
new file mode 100644
index 0000000..78e7ba0
--- /dev/null
+++ b/.github/workflows/codeql-analysis.yml
@@ -0,0 +1,67 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ main ]
+  schedule:
+    - cron: '34 7 * * 1'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v2
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v2
diff --git a/.github/workflows/go_test.yml b/.github/workflows/go_test.yml
new file mode 100644
index 0000000..2cd8195
--- /dev/null
+++ b/.github/workflows/go_test.yml
@@ -0,0 +1,33 @@
+on: [push]
+name: golangci-lint
+jobs:
+  golangci:
+    strategy:
+      matrix:
+        go-version:
+          - "1.20"
+    name: lint and test
+    runs-on: ubuntu-latest
+    services:
+      etcd:
+        image: bitnami/etcd:3.5.5
+        env:
+          ALLOW_NONE_AUTHENTICATION: yes
+          ETCD_ADVERTISE_CLIENT_URLS: http://127.0.0.1:2379
+          ETCDCTL_API: 3
+        ports:
+          - 2379:2379
+          - 2380:2380
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3.7.0
+        with:
+          version: v1.51.2
+      - name: Install Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: test
+        run: make test
diff --git a/Makefile b/Makefile
index 81a8a69..d6f18df 100644
--- a/Makefile
+++ b/Makefile
@@ -9,4 +9,4 @@ lint:
 	@golangci-lint run
 
 test:
-	@go test -race -v $(GO_FLAGS) -count=1 $(GO_PKGS)
+	@go test -v $(GO_FLAGS) -count=1 $(GO_PKGS)
diff --git a/elector.go b/elector.go
index 3ff4b7c..79ee7e0 100644
--- a/elector.go
+++ b/elector.go
@@ -5,6 +5,7 @@ import (
 	"crypto/rand"
 	"errors"
 	"fmt"
+	mrand "math/rand"
 	"os"
 	"sync"
 	"time"
@@ -185,7 +186,7 @@ func (e *Elector) Start(electionPath string) error {
 					continue
 				}
 
-				if !e.isLeader {
+				if e.IsLeader(e.ctx) != nil { // is non-leader
 					e.setLeader(val)
 					e.logger("switch to leader, the current instance is leader")
 				}
@@ -202,6 +203,9 @@ func (e *Elector) Start(electionPath string) error {
 func getID() string {
 	hostname, _ := os.Hostname()
 	bs := make([]byte, 10)
-	rand.Read(bs)
+	_, err := rand.Read(bs)
+	if err != nil {
+		return fmt.Sprintf("%s-%d", hostname, mrand.Int63())
+	}
 	return fmt.Sprintf("%s-%x", hostname, bs)
 }
diff --git a/elector_test.go b/elector_test.go
index 9cf0666..f2c6b49 100644
--- a/elector_test.go
+++ b/elector_test.go
@@ -20,9 +20,16 @@ var (
 func TestGocronWithElector(t *testing.T) {
 	el, err := NewElector(context.Background(), testConfig, WithTTL(1))
 	assert.Equal(t, nil, err)
-	go el.Start(testElectionPath + "gocron_one")
+	go func() {
+		err := el.Start(testElectionPath + "gocron_one")
+		if err != nil {
+			t.Error(err)
+		}
+	}()
 
-	defer el.Stop()
+	defer func() {
+		_ = el.Stop()
+	}()
 
 	done := make(chan struct{}, 1)
 	counter := 0
@@ -62,7 +69,9 @@ func TestGocronWithMultipleElectors(t *testing.T) {
 		el, err := NewElector(context.Background(), testConfig, WithTTL(1))
 		assert.Equal(t, nil, err)
 
-		go el.Start(testElectionPath + "gocron_multi")
+		go func() {
+			_ = el.Start(testElectionPath + "gocron_multi")
+		}()
 
 		s := gocron.NewScheduler(time.UTC)
 		s.WithDistributedElector(el)
@@ -92,7 +101,7 @@ func TestGocronWithMultipleElectors(t *testing.T) {
 	}
 
 	for i := 0; i < workers; i++ {
-		elections[i].Stop()
+		_ = elections[i].Stop()
 		schedulers[i].Stop()
 	}
 }
@@ -108,9 +117,9 @@ func TestElectorSingleAcquire(t *testing.T) {
 	}()
 
 	time.Sleep(2 * time.Second)
-	assert.Equal(t, nil, el.IsLeader(nil))
+	assert.Equal(t, nil, el.IsLeader(context.Background()))
 	assert.Equal(t, el.GetLeaderID(), el.GetID())
-	el.Stop()
+	_ = el.Stop()
 
 	select {
 	case <-sig:
@@ -119,7 +128,7 @@ func TestElectorSingleAcquire(t *testing.T) {
 	}
 
 	// after elector.stop, current instance is not leader
-	assert.Equal(t, ErrNonLeader, el.IsLeader(nil))
+	assert.Equal(t, ErrNonLeader, el.IsLeader(context.Background()))
 }
 
 func TestElectorMultipleAcquire(t *testing.T) {
@@ -142,7 +151,7 @@ func TestElectorMultipleAcquire(t *testing.T) {
 
 	var leaderCounter int
 	for _, el := range elections {
-		if el.IsLeader(nil) == nil {
+		if el.IsLeader(context.Background()) == nil {
 			leaderCounter++
 		}
 	}
@@ -152,7 +161,7 @@ func TestElectorMultipleAcquire(t *testing.T) {
 
 	// stop all electors
 	for _, el := range elections {
-		el.Stop()
+		_ = el.Stop()
 	}
 }
 
@@ -192,7 +201,7 @@ func TestElectorAcquireRace(t *testing.T) {
 	for idx, el := range elections {
 		last := len(elections) - 1
 
-		el.Stop()
+		_ = el.Stop()
 
 		time.Sleep(3 * time.Second)
 		if idx == last {
@@ -206,7 +215,7 @@ func TestElectorAcquireRace(t *testing.T) {
 func TestElectorStop(t *testing.T) {
 	el, err := NewElector(context.Background(), testConfig)
 	assert.Equal(t, nil, err)
-	el.Stop()
+	_ = el.Stop()
 	err = el.Start(testElectionPath)
 	assert.Equal(t, err, ErrClosed)
 }
diff --git a/example/main.go b/example/main.go
index 1a7c4b0..a71e37b 100644
--- a/example/main.go
+++ b/example/main.go
@@ -37,8 +37,8 @@ func main() {
 	s := gocron.NewScheduler(time.UTC)
 	s.WithDistributedElector(el)
 
-	s.Every("1s").Do(func() {
-		if el.IsLeader(context.TODO()) == nil {
+	_, _ = s.Every("1s").Do(func() {
+		if el.IsLeader(context.Background()) == nil {
 			fmt.Println("the current instance is leader")
 		} else {
 			fmt.Println("the current leader is", el.GetLeaderID())