"We can not access the URL currently." : <p>I call google api when the return of "We can not access the URL currently." But the resources must exist and can be accessed.</p>

<p><a href="https://vision.googleapis.com/v1/images:annotate" rel="noreferrer">https://vision.googleapis.com/v1/images:annotate</a></p>

<p>request content:</p>

<pre><code>{
  "requests": [
    {
      "image": {
        "source": {
          "imageUri": "http://yun.jybdfx.com/static/img/homebg.jpg"
        }
      },
      "features": [
        {
          "type": "TEXT_DETECTION"
        }
      ],
      "imageContext": {
        "languageHints": [
          "zh"
        ]
      }
    }
  ]
}
</code></pre>

<p>response content:</p>

<pre><code>{
  "responses": [
    {
      "error": {
        "code": 4,
        "message": "We can not access the URL currently. Please download the content and pass it in."
      }
    }
  ]
}
</code></pre>
