Unable to display picture

[hfhfn]

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Provide a description of requested docs changes

When the workflow is previewed in dify, the node output is directly returned

{
  "answer": "![ai](https://sc-maas.oss-cn-shanghai.aliyuncs.com/outputs/817f3f8e-4a95-4966-9212-6101f253d89e_0.png?OSSAccessKeyId=LTAI5tQnPSzwAnR8NmMzoQq4&Expires=1739538705&Signature=XxNAwLEXPCLoHrUguzGTlGxFqrQ%3D)",
  "files": []
} 

The picture cannot be displayed normally, but it can be displayed normally when it is placed in the markdown application. I don't know what the reason is and how to solve it.

[dosubot]

@hfhfn Hello there! 👋 I'm here to assist you with bug fixes, answer your questions, and guide you on becoming a contributor. I'm a bot named Dosu.

To resolve the issue of the picture not displaying normally in Dify when the node output is previewed, you need to modify the regular expression pattern in dify/api/core/tools/utils/text_processing_utils.py. The current processing incorrectly removes the leading '![' symbols from the image markdown syntax, resulting in malformed output. Update the pattern to:

pattern = r"^(?!\[image\])([!\u2000-\u206F\u2E00-\u2E7F\u3000-\u303F\"#$%&'()*+,\-./:;<=>?@\[\]^_`{|}~]+)"

This change will prevent the removal of '![' symbols when they are part of an image markdown syntax at the start of a document, ensuring the image displays correctly ^[1].

To continue talking to Dosu, mention @dosu.

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[hfhfn]

Thank you for your timely reply, but I am currently running on https://cloud.dify.ai/ cloud, what should I do?

[crazywoola]

For image can not be displayed, there might be a few reasons.

• The signature is invalid
• https://sc-maas.oss-cn-shanghai.aliyuncs.com This url is block by csrf policy, which is not listed in our whitelist.

For questions please use discussion instead.