Module代码

    @At("/upd")
    @Ok("json")
    @Fail("json")
    @AdaptBy(type = UploadAdaptor.class, args = {"${app.root}/WEB-INF/tmp"})
    public Object upd(@Param("..") Sku sc, @Param("inputFile") File img,
                    @Param("more") String more, HttpServletRequest req) throws IOException {
        log.debug("Input params - sc: \n" + sc);
        log.debug("Input params - image file is uploaded: " + Boolean.valueOf(null != img));
        log.debug("Input params - more: " + more);

        NutMap re = new NutMap();

        if (sc.getId() <= 0) {
            throw new AppRuntimeException("木有找到你要更新的产品。。。");
        }
        sc.setGimg(img);
        sc.setMoreList(SkuMoreHelper.convert2ListWhenUpdate(more));


        String path = req.getSession().getServletContext().getRealPath(GIMG_RELATIVE_PATH);
        try {
            skuService.updateWithMore(sc, path);
        } catch (AppRuntimeException e) {
            return re.setv("ok", false).setv("msg", e.getMessage());
        }

        return re.setv("ok", false).setv("msg", "lalalalld");
//        return re.setv("ok", true);
    }

上传文件时页面正常，chrome console打印返回内容如下

Object {ok: false, msg: "lalalalld"} 

上传文件时页面异常，chrome console打印返回内容如下

Resource interpreted as Document but transferred with MIME type application/json: "http://localhost:8080/g/stock/sku/upd.io".
<pre style="word-wrap: break-word; white-space: pre-wrap;">{"ok":false,"msg":"lalalalld"}</pre>