diff --git a/modules/storage/obs.go b/modules/storage/obs.go
index acf660e56..39312bfde 100755
--- a/modules/storage/obs.go
+++ b/modules/storage/obs.go
@@ -29,20 +29,20 @@ type FileInfo struct {
 }
 
 //check if has the object
-//todo：修改查询方式
 func ObsHasObject(path string) (bool, error) {
 	hasObject := false
-	output, err := ObsCli.ListObjects(&obs.ListObjectsInput{Bucket: setting.Bucket})
-	if err != nil {
-		log.Error("ListObjects failed:%v", err)
-		return hasObject, err
-	}
 
-	for _, obj := range output.Contents {
-		//obj.Key:attachment/0/1/019fd24e-4ef7-41cc-9f85-4a7b8504d958
-		if path == obj.Key {
-			hasObject = true
-			break
+	input := &obs.GetObjectMetadataInput{}
+	input.Bucket = setting.Bucket
+	input.Key = path
+	_, err := ObsCli.GetObjectMetadata(input)
+	if err == nil {
+		hasObject = true
+	} else {
+		if obsError, ok := err.(obs.ObsError); ok {
+			log.Error("GetObjectMetadata failed(%d): %s", obsError.StatusCode, obsError.Message)
+		} else {
+			log.Error("%v", err.Error())
 		}
 	}
 
diff --git a/routers/repo/attachment.go b/routers/repo/attachment.go
index 2c082a289..8443d6488 100755
--- a/routers/repo/attachment.go
+++ b/routers/repo/attachment.go
@@ -360,6 +360,7 @@ func GetPresignedPutObjectURL(ctx *context.Context) {
 // AddAttachment response for add attachment record
 func AddAttachment(ctx *context.Context) {
 	typeCloudBrain := ctx.QueryInt("type")
+	fileName := ctx.Query("file_name")
 	err := checkTypeCloudBrain(typeCloudBrain)
 	if err != nil {
 		ctx.ServerError("checkTypeCloudBrain failed", err)
@@ -375,7 +376,7 @@ func AddAttachment(ctx *context.Context) {
 			return
 		}
 	} else {
-		has, err = storage.ObsHasObject(setting.BasePath + models.AttachmentRelativePath(uuid) + "/" + uuid)
+		has, err = storage.ObsHasObject(setting.BasePath + models.AttachmentRelativePath(uuid) + "/" + fileName)
 		if err != nil {
 			ctx.ServerError("ObsHasObject", err)
 			return
@@ -391,7 +392,7 @@ func AddAttachment(ctx *context.Context) {
 		UUID:       uuid,
 		UploaderID: ctx.User.ID,
 		IsPrivate:  true,
-		Name:       ctx.Query("file_name"),
+		Name:       fileName,
 		Size:       ctx.QueryInt64("size"),
 		DatasetID:  ctx.QueryInt64("dataset_id"),
 		Type:       typeCloudBrain,
@@ -479,6 +480,7 @@ func UpdateAttachmentDecompressState(ctx *context.Context) {
 func GetSuccessChunks(ctx *context.Context) {
 	fileMD5 := ctx.Query("md5")
 	typeCloudBrain := ctx.QueryInt("type")
+	fileName := ctx.Query("file_name")
 	var chunks string
 
 	err := checkTypeCloudBrain(typeCloudBrain)
@@ -510,7 +512,7 @@ func GetSuccessChunks(ctx *context.Context) {
 			return
 		}
 	} else {
-		isExist, err = storage.ObsHasObject(setting.BasePath + models.AttachmentRelativePath(fileChunk.UUID) + "/" + fileChunk.UUID)
+		isExist, err = storage.ObsHasObject(setting.BasePath + models.AttachmentRelativePath(fileChunk.UUID) + "/" + fileName)
 		if err != nil {
 			ctx.ServerError("ObsHasObject failed", err)
 			return
diff --git a/web_src/js/components/ObsUploader.vue b/web_src/js/components/ObsUploader.vue
index 381cb7f95..b0796fe81 100755
--- a/web_src/js/components/ObsUploader.vue
+++ b/web_src/js/components/ObsUploader.vue
@@ -262,6 +262,7 @@ export default {
         params: {
           md5: file.uniqueIdentifier,
           type: CloudBrainType,
+          file_name: file.name,
           _csrf: csrf
         }
       };