oss PutObject 需要使用 commonHeaders 中的 Content-Type 作为参数，但是 gateway-oss 会强行设为 application/octet-stream

[ganlvtech]

https://help.aliyun.com/zh/oss/developer-reference/putobject

alibabacloud-typescript-sdk/oss-20190517/src/client.ts

Line 11330 in 45e39fb

reqBodyType: "binary",

node_modules/@alicloud/gateway-oss/src/client.ts:130

    if (!Util.isUnset(request.body)) {
      if (String.equals(request.reqBodyType, "xml")) {
        let reqBodyMap = Util.assertAsMap(request.body);
        request.stream = new $tea.BytesReadable(XML.toXML(reqBodyMap));
        request.headers["content-type"] = "application/xml";
      } else if (String.equals(request.reqBodyType, "json")) {
        let reqBodyStr = Util.toJSONString(request.body);
        request.stream = new $tea.BytesReadable(reqBodyStr);
        request.headers["content-type"] = "application/json; charset=utf-8";
      } else if (String.equals(request.reqBodyType, "formData")) {
        let reqBodyForm = Util.assertAsMap(request.body);
        request.stream = new $tea.BytesReadable(OpenApiUtil.toForm(reqBodyForm));
        request.headers["content-type"] = "application/x-www-form-urlencoded";
      } else if (String.equals(request.reqBodyType, "binary")) {
        attributeMap.key = {
          crc: "",
          md5: "",
        };
        request.stream = OSSUtil.inject(request.stream, attributeMap.key);
        request.headers["content-type"] = "application/octet-stream";
      }

    }

[TsinghuaDream]

请看下这个SDK呢https://help.aliyun.com/zh/oss/developer-reference/node-js-1/?spm=a2c4g.11174283.0.0.58ecde53PbLOf0

当前仓库下的OSS SDK正在内部优化。