diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 8cb7338..17c48f7 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Check License Header
-        uses: apache/skywalking-eyes/header@main
+        uses: apache/skywalking-eyes/header@0.4.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -23,7 +23,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: 1.20
 
       - uses: actions/cache@v3
         with:
@@ -51,7 +51,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: 1.20
 
       - name: Golangci Lint
         # https://golangci-lint.run/
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0c74d2d..c8bc75a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -6,7 +6,7 @@ jobs:
   unit-benchmark-test:
     strategy:
       matrix:
-        go: [ 1.17, 1.18, 1.19 ]
+        go: [ 1.18, 1.19, 1.20 ]
         os: [ X64, ARM64 ]
     runs-on: ${{ matrix.os }}
     steps:
@@ -17,14 +17,6 @@ jobs:
         with:
           go-version: ${{ matrix.go }}
 
-       # block scenario, comment temporarily
-#      - uses: actions/cache@v3
-#        with:
-#          path: ~/go/pkg/mod
-#          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-#          restore-keys: |
-#            ${{ runner.os }}-go-
-
       - name: Unit Test
         run: go test -race -covermode=atomic -coverprofile=coverage.out ./...
 
diff --git a/.golangci.yaml b/.golangci.yaml
index c7358bb..71405b0 100644
--- a/.golangci.yaml
+++ b/.golangci.yaml
@@ -25,6 +25,7 @@ linters-settings:
 linters:
   enable:
     - gofumpt
+    - goimports
     - gofmt
   disable:
     - errcheck