defer close reader

packed/file/file_upload.go

@@ -109,9 +109,10 @@ func (f *ObtainFile) taskJob(file *zip.File) ([]interface{}, error) {
 	pictureBytes, _ := ioutil.ReadAll(fd)
 	// 获取图片信息reader
 	imageReader := ioutil.NopCloser(bytes.NewBuffer(pictureBytes))
+	defer imageReader.Close()
 	// 上传图片reader
 	fileReader := ioutil.NopCloser(bytes.NewBuffer(pictureBytes))
-
+	defer fileReader.Close()
 	var img image.Image
 	fileSuffix := path.Ext(file.Name) //获取文件后缀
 	switch fileSuffix {