diff --git a/hook/main_test.go b/hook/main_test.go
index 4211c28283b4fdcfbc6f0f4b275261532d5d64df..8f52ca5db8a4b84d54f5d0a89d27a5a7eb53c2a7 100644
--- a/hook/main_test.go
+++ b/hook/main_test.go
@@ -23,7 +23,8 @@ import (
 )
 
 const (
-	pidSample = 123
+	pidSample                = 123
+	fileMode0600 os.FileMode = 0600
 )
 
 func TestDoPrestartHookCase1(t *testing.T) {
@@ -148,6 +149,10 @@ func TestParseOciSpecFileCase2(t *testing.T) {
 	if err != nil {
 		t.Log("create file failed")
 	}
+	err = f.Chmod(fileMode0600)
+	if err != nil {
+		t.Logf("chmod file error: %v", err)
+	}
 	_, err = parseOciSpecFile(file)
 	if err == nil {
 		t.Fail()
diff --git a/mindxcheckutils/mindxcheckutils_test.go b/mindxcheckutils/mindxcheckutils_test.go
index 1d19a29c95300eb56491ee6ad0424dbdfb4ee770..036a39bef4742e53f2d30fcfaafb587199a3f897 100644
--- a/mindxcheckutils/mindxcheckutils_test.go
+++ b/mindxcheckutils/mindxcheckutils_test.go
@@ -21,6 +21,10 @@ import (
 	"testing"
 )
 
+const (
+	fileMode0600 os.FileMode = 0600
+)
+
 func TestNormalFileCheckRegularFile(t *testing.T) {
 	tmpDir, filePath, err := createTestFile(t, "test_file.txt")
 	defer removeTmpDir(t, tmpDir)
@@ -155,10 +159,14 @@ func createTestFile(t *testing.T, fileName string) (string, string, error) {
 	if os.MkdirAll(tmpDir+"/__test__", permission) != nil {
 		t.Fatalf("MkdirAll failed %q", tmpDir+"/__test__")
 	}
-	_, err := os.Create(tmpDir + "/__test__" + fileName)
+	f, err := os.Create(tmpDir + "/__test__" + fileName)
 	if err != nil {
 		t.Fatalf("create file failed %q: %s", tmpDir+"/__test__", err)
 	}
+	err = f.Chmod(fileMode0600)
+	if err != nil {
+		t.Logf("chmod file error: %v", err)
+	}
 	return tmpDir + "/__test__", tmpDir + "/__test__" + fileName, err
 }
 
diff --git a/runtime/main.go b/runtime/main.go
index 9802adb509aee86dfbfbfba14f794dcbed5d7865..5ec3e76ab7bd69e16f630e1d2f508c8dfdbda793 100644
--- a/runtime/main.go
+++ b/runtime/main.go
@@ -403,8 +403,8 @@ func addDeviceToSpec(spec *specs.Spec, dPath string, deviceType string) error {
 		device.Path = devicePath + davinciName + vDeviceNumber[0]
 	case davinciManagerDocker:
 		device.Path = devicePath + davinciManager
-	default:
-		// do nothing
+	default: // do nothing
+
 	}
 
 	spec.Linux.Devices = append(spec.Linux.Devices, *device)
diff --git a/runtime/main_test.go b/runtime/main_test.go
index 64fb48508a505e888008edae4bc122b785206c02..ed4dfd98d7338f95f43d4b0e9ca3091070091b28 100644
--- a/runtime/main_test.go
+++ b/runtime/main_test.go
@@ -34,7 +34,11 @@ const (
 	// strKubeDNSPort53UDPPort represents the string of the environment variable KUBE_DNS_PORT_53_UDP_PORT
 	strKubeDNSPort53UDPPort = "KUBE_DNS_PORT_53_UDP_PORT=53"
 	// strKubeDNSPort53UDPProto represents the string of the environment variable KUBE_DNS_PORT_53_UDP_PROTO
-	strKubeDNSPort53UDPProto = "KUBE_DNS_PORT_53_UDP_PROTO=udp"
+	strKubeDNSPort53UDPProto             = "KUBE_DNS_PORT_53_UDP_PROTO=udp"
+	fileMode0400             os.FileMode = 0400
+	fileMode0600             os.FileMode = 0600
+	fileMode0655             os.FileMode = 0655
+	needToMkdir                          = "./test"
 )
 
 func TestArgsIsCreate(t *testing.T) {
@@ -88,13 +92,19 @@ func TestArgsIsCreateCase2(t *testing.T) {
 func TestArgsIsCreateCase3(t *testing.T) {
 	t.Log("进入测试用例")
 
-	if err := os.Mkdir("./test", 0655); err != nil {
+	if err := os.Mkdir(needToMkdir, fileMode0655); err != nil {
+		t.Fatalf("failed to create file, error: %v", err)
 	}
 	f, err := os.Create("./test/config.json")
 	defer f.Close()
 	if err != nil {
+		t.Logf("create file error: %v", err)
 	}
-	testArgs := []string{"create", "--bundle", "./test"}
+	err = f.Chmod(fileMode0600)
+	if err != nil {
+		t.Logf("chmod file error: %v", err)
+	}
+	testArgs := []string{"create", "--bundle", needToMkdir}
 	stub := gomonkey.ApplyGlobalVar(&os.Args, testArgs)
 	defer stub.Reset()
 
@@ -110,13 +120,19 @@ func TestArgsIsCreateCase3(t *testing.T) {
 func TestArgsIsCreateCase4(t *testing.T) {
 	t.Log("进入测试用例")
 
-	if err := os.Mkdir("./test", 0655); err != nil {
+	if err := os.Mkdir(needToMkdir, fileMode0655); err != nil {
+		t.Fatalf("failed to create file, error: %v", err)
 	}
 	f, err := os.Create("./test/config.json")
 	defer f.Close()
 	if err != nil {
+		t.Logf("create file failed, error: %v", err)
 	}
-	testArgs := []string{"spec", "--bundle", "./test"}
+	err = f.Chmod(fileMode0600)
+	if err != nil {
+		t.Logf("chmod file failed, error: %v", err)
+	}
+	testArgs := []string{"spec", "--bundle", needToMkdir}
 	stub := gomonkey.ApplyGlobalVar(&os.Args, testArgs)
 	defer stub.Reset()
 
@@ -135,15 +151,14 @@ func TestModifySpecFile(t *testing.T) {
 }
 
 func TestModifySpecFileCase1(t *testing.T) {
-	file := "./test"
-	if err := os.Mkdir("./test", 0400); err != nil {
-
+	if err := os.Mkdir(needToMkdir, fileMode0400); err != nil {
+		t.Logf("mkdir error: %v", err)
 	}
 
-	err := modifySpecFile(file)
+	err := modifySpecFile(needToMkdir)
 	assert.NotNil(t, err)
-	if err := os.Remove(file); err != nil {
-
+	if err := os.Remove(needToMkdir); err != nil {
+		t.Logf("failed to remove dir, error: %v", err)
 	}
 }
 
@@ -154,7 +169,10 @@ func TestModifySpecFileCase2(t *testing.T) {
 	if err != nil {
 		t.Log("create file error")
 	}
-
+	err = f.Chmod(fileMode0600)
+	if err != nil {
+		t.Logf("chmod file error: %v", err)
+	}
 	if err := modifySpecFile(file); err != nil {
 		t.Log("run modifySpecFile failed")
 	}