修改上传图片是否存在自定义方法判断

src/components/FsImageUpload/index.vue

@@ -74,7 +74,7 @@ const onUpload = (file: File) => {
 
 /* 上传文件 */
 const uploadItem = (item: UploadItem) => {
-  if (!props.action && typeof props.uploadFunction === 'function') {
+  if (!props.action && typeof props.uploadFunction != 'function') {
     console.log('请传入action路径或者uploadFunction上传方法')
     return false
   }