diff --git a/modules/storage/obs.go b/modules/storage/obs.go
index 691c0bb8c..369333faf 100755
--- a/modules/storage/obs.go
+++ b/modules/storage/obs.go
@@ -454,30 +454,7 @@ func ObsGenMultiPartSignedUrl(uuid string, uploadId string, partNumber int, file
 	return output.SignedUrl, nil
 }
 
-func GetObsCreateSignedUrlByBucketAndKey(bucket, key string) (string, error) {
-	input := &obs.CreateSignedUrlInput{}
-	input.Bucket = bucket
-	input.Key = key
 
-	input.Expires = 60 * 60
-	input.Method = obs.HttpMethodGet
-	comma := strings.LastIndex(key, "/")
-	filename := key
-	if comma != -1 {
-		filename = key[comma+1:]
-	}
-	reqParams := make(map[string]string)
-	filename = url.QueryEscape(filename)
-	reqParams["response-content-disposition"] = "attachment; filename=\"" + filename + "\""
-	input.QueryParams = reqParams
-	output, err := ObsCli.CreateSignedUrl(input)
-	if err != nil {
-		log.Error("CreateSignedUrl failed:", err.Error())
-		return "", err
-	}
-	log.Info("SignedUrl:%s", output.SignedUrl)
-	return output.SignedUrl, nil
-}
 
 func GetObsCreateSignedUrlByBucketAndKey(bucket, key string) (string, error) {
 	input := &obs.CreateSignedUrlInput{}
@@ -501,7 +478,8 @@ func GetObsCreateSignedUrlByBucketAndKey(bucket, key string) (string, error) {
 		return "", err
 	}
 
-	return output.SignedUrl, nil}
+	return output.SignedUrl, nil
+}
 
 func GetObsCreateSignedUrl(jobName, parentDir, fileName string) (string, error) {
 	// input := &obs.CreateSignedUrlInput{}