diff --git a/common/platform/filesystem/file.go b/common/platform/filesystem/file.go
index 75943953..e4fe2a9a 100644
--- a/common/platform/filesystem/file.go
+++ b/common/platform/filesystem/file.go
@@ -29,7 +29,7 @@ func ReadAsset(file string) ([]byte, error) {
 	return ReadFile(platform.GetAssetLocation(file))
 }
 
-func ReadCertificate(file string) ([]byte, error) {
+func ReadCert(file string) ([]byte, error) {
 	if filepath.IsAbs(file) {
 		return ReadFile(file)
 	}
diff --git a/common/platform/others.go b/common/platform/others.go
index 6b7738a7..3ebf0d6d 100644
--- a/common/platform/others.go
+++ b/common/platform/others.go
@@ -44,6 +44,6 @@ func GetAssetLocation(file string) string {
 }
 
 func GetCertLocation(file string) string {
-	certificatePath := NewEnvFlag(CertLocation).GetValue(getExecutableDir)
-	return filepath.Join(certificatePath, file)
+	certPath := NewEnvFlag(CertLocation).GetValue(getExecutableDir)
+	return filepath.Join(certPath, file)
 }
diff --git a/common/platform/windows.go b/common/platform/windows.go
index e251113d..8f98814b 100644
--- a/common/platform/windows.go
+++ b/common/platform/windows.go
@@ -26,6 +26,6 @@ func GetAssetLocation(file string) string {
 }
 
 func GetCertLocation(file string) string {
-	certificatePath := NewEnvFlag(CertLocation).GetValue(getExecutableDir)
-	return filepath.Join(certificatePath, file)
+	certPath := NewEnvFlag(CertLocation).GetValue(getExecutableDir)
+	return filepath.Join(certPath, file)
 }
diff --git a/infra/conf/transport_internet.go b/infra/conf/transport_internet.go
index f3afd2f9..e32be326 100644
--- a/infra/conf/transport_internet.go
+++ b/infra/conf/transport_internet.go
@@ -334,7 +334,7 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 
 func readFileOrString(f string, s []string) ([]byte, error) {
 	if len(f) > 0 {
-		return filesystem.ReadCertificate(f)
+		return filesystem.ReadCert(f)
 	}
 	if len(s) > 0 {
 		return []byte(strings.Join(s, "\n")), nil
diff --git a/transport/internet/tls/config.go b/transport/internet/tls/config.go
index 197895cb..d6701a7d 100644
--- a/transport/internet/tls/config.go
+++ b/transport/internet/tls/config.go
@@ -109,12 +109,12 @@ func setupOcspTicker(entry *Certificate, callback func(isReloaded, isOcspstaplin
 		for {
 			var isReloaded bool
 			if entry.CertificatePath != "" && entry.KeyPath != "" {
-				newCert, err := filesystem.ReadCertificate(entry.CertificatePath)
+				newCert, err := filesystem.ReadCert(entry.CertificatePath)
 				if err != nil {
 					errors.LogErrorInner(context.Background(), err, "failed to parse certificate")
 					return
 				}
-				newKey, err := filesystem.ReadCertificate(entry.KeyPath)
+				newKey, err := filesystem.ReadCert(entry.KeyPath)
 				if err != nil {
 					errors.LogErrorInner(context.Background(), err, "failed to parse key")
 					return