diff --git a/client/daemon/peer/piece_manager.go b/client/daemon/peer/piece_manager.go
index 6894b3900..0ad4bd0d4 100644
--- a/client/daemon/peer/piece_manager.go
+++ b/client/daemon/peer/piece_manager.go
@@ -385,7 +385,7 @@ singleDownload:
 			}
 		}
 		srcErr := &errordetailsv1.SourceError{
-			Temporary: response.Temporary == nil || response.Temporary(),
+			Temporary: response.Temporary,
 			Metadata: &commonv1.ExtendAttribute{
 				Header:     hdr,
 				StatusCode: int32(response.StatusCode),
diff --git a/pkg/source/clients/httpprotocol/http_source_client.go b/pkg/source/clients/httpprotocol/http_source_client.go
index 96dcdc1ea..bed53a183 100644
--- a/pkg/source/clients/httpprotocol/http_source_client.go
+++ b/pkg/source/clients/httpprotocol/http_source_client.go
@@ -52,7 +52,12 @@ var (
 	contentRangeRegexp            = regexp.MustCompile(`bytes (?P<Start>\d+)-(?P<End>\d+)/(?P<Length>(\d*|\*))`)
 	contentRangeRegexpLengthIndex = contentRangeRegexp.SubexpIndex("Length")
 
-	notTemporaryStatusCode = []int{http.StatusUnauthorized, http.StatusForbidden, http.StatusNotFound, http.StatusProxyAuthRequired}
+	notTemporaryStatusCode = []int{
+		http.StatusUnauthorized,
+		http.StatusForbidden,
+		http.StatusNotFound,
+		http.StatusProxyAuthRequired,
+	}
 )
 
 func init() {
@@ -218,14 +223,7 @@ func (client *httpSourceClient) GetMetadata(request *source.Request) (*source.Me
 		Validate: func() error {
 			return source.CheckResponseCode(resp.StatusCode, []int{http.StatusOK, http.StatusPartialContent})
 		},
-		Temporary: func() bool {
-			for _, code := range notTemporaryStatusCode {
-				if code == resp.StatusCode {
-					return false
-				}
-			}
-			return false
-		},
+		Temporary: detectTemporary(resp.StatusCode),
 	}, nil
 }
 
@@ -261,14 +259,7 @@ func (client *httpSourceClient) Download(request *source.Request) (*source.Respo
 		source.WithValidate(func() error {
 			return source.CheckResponseCode(resp.StatusCode, []int{http.StatusOK, http.StatusPartialContent})
 		}),
-		source.WithTemporary(func() bool {
-			for _, code := range notTemporaryStatusCode {
-				if code == resp.StatusCode {
-					return false
-				}
-			}
-			return true
-		}),
+		source.WithTemporary(detectTemporary(resp.StatusCode)),
 		source.WithHeader(exportPassThroughHeader(resp.Header)),
 		source.WithExpireInfo(
 			source.ExpireInfo{
@@ -336,3 +327,12 @@ func exportPassThroughHeader(header http.Header) map[string]string {
 	}
 	return ph
 }
+
+func detectTemporary(statusCode int) bool {
+	for _, code := range notTemporaryStatusCode {
+		if code == statusCode {
+			return false
+		}
+	}
+	return true
+}
diff --git a/pkg/source/clients/ossprotocol/oss_source_client.go b/pkg/source/clients/ossprotocol/oss_source_client.go
index 1771d6445..6d32e833f 100644
--- a/pkg/source/clients/ossprotocol/oss_source_client.go
+++ b/pkg/source/clients/ossprotocol/oss_source_client.go
@@ -173,9 +173,7 @@ func (osc *ossSourceClient) GetMetadata(request *source.Request) (*source.Metada
 		Validate: func() error {
 			return nil
 		},
-		Temporary: func() bool {
-			return true
-		},
+		Temporary: true,
 	}, nil
 }
 
diff --git a/pkg/source/metadata.go b/pkg/source/metadata.go
index 45a7e6ca4..50f8c9a40 100644
--- a/pkg/source/metadata.go
+++ b/pkg/source/metadata.go
@@ -31,5 +31,5 @@ type Metadata struct {
 	TotalContentLength int64
 
 	Validate  func() error
-	Temporary func() bool
+	Temporary bool
 }
diff --git a/pkg/source/response.go b/pkg/source/response.go
index e9e376c51..ea19c8a24 100644
--- a/pkg/source/response.go
+++ b/pkg/source/response.go
@@ -35,8 +35,8 @@ type Response struct {
 	// Validate this response is okay to transfer in p2p network, like status 200 or 206 in http is valid to do this,
 	// otherwise return status code to original client
 	Validate func() error
-	// Temporary check the error whether the error is temporary, if is true, we can retry it later
-	Temporary func() bool
+	// Temporary indecates the error whether the error is temporary, if is true, we can retry it later
+	Temporary bool
 }
 
 func NewResponse(rc io.ReadCloser, opts ...func(*Response)) *Response {
@@ -54,9 +54,7 @@ func NewResponse(rc io.ReadCloser, opts ...func(*Response)) *Response {
 		Validate: func() error {
 			return nil
 		},
-		Temporary: func() bool {
-			return true
-		},
+		Temporary: true,
 	}
 
 	for _, opt := range opts {
@@ -103,7 +101,7 @@ func WithValidate(validate func() error) func(*Response) {
 	}
 }
 
-func WithTemporary(temporary func() bool) func(*Response) {
+func WithTemporary(temporary bool) func(*Response) {
 	return func(resp *Response) {
 		resp.Temporary = temporary
 	}