diff --git a/.github/workflows/smoke.yml b/.github/workflows/smoke.yml
index e2026427e9e..e06054f81b8 100644
--- a/.github/workflows/smoke.yml
+++ b/.github/workflows/smoke.yml
@@ -193,7 +193,7 @@ jobs:
     - name: Unit Test
       run: |
         curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sudo sh -s -- -b /usr/bin v1.54.2
-        sudo make -e DOCKER=false contrib-test
+        make -e DOCKER=false contrib-test
     - name: Upload contrib coverage file
       uses: actions/upload-artifact@v3
       with:
diff --git a/contrib/nydusify/Makefile b/contrib/nydusify/Makefile
index 2631d7ee81f..f3bf210ce9d 100644
--- a/contrib/nydusify/Makefile
+++ b/contrib/nydusify/Makefile
@@ -36,4 +36,4 @@ coverage: test
 
 clean:
 	rm -f cmd/nydusify
-	rm -f coverage.out
+	rm -f coverage.txt
diff --git a/contrib/nydusify/pkg/utils/archive_test.go b/contrib/nydusify/pkg/utils/archive_test.go
index e0ee9600a15..d038dc064ef 100644
--- a/contrib/nydusify/pkg/utils/archive_test.go
+++ b/contrib/nydusify/pkg/utils/archive_test.go
@@ -31,10 +31,12 @@ func TestPackTargzInfo(t *testing.T) {
 }
 
 func TestUnpackTargz(t *testing.T) {
-	file, err := os.CreateTemp("", "nydusify-test")
-	defer os.RemoveAll(file.Name())
+	err := os.MkdirAll("unpacktargz-test", 0777)
+	defer os.RemoveAll("unpacktargz-test")
+	require.NoError(t, err)
+	file, err := os.Create("unpacktargz-test/test-file")
 	require.NoError(t, err)
-	err = os.WriteFile(file.Name(), []byte("123456789"), 0666)
+	err = os.WriteFile(file.Name(), []byte("123456789"), 0777)
 	require.NoError(t, err)
 	reader, err := PackTargz(file.Name(), file.Name(), true)
 	require.NoError(t, err)