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When dify uses code blocks for drawing, if only drawing (echart) is fine, but as long as a large model is added to interpret this drawn image separately, an error will be reported. The specific error message is: EChart Error-wrong Json format #17687

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opened 2026-02-21 19:38:24 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 19:38:24 -05:00
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Originally created by @lhxxrds on GitHub (Sep 18, 2025).

Self Checks

  • I have read the Contributing Guide and Language Policy.
  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report, otherwise it will be closed.
  • 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：）
  • Please do not modify this template :) and fill in all the required fields.

Dify version

When dify uses code blocks for drawing, if only drawing (echart) is fine, but as long as a large model is added to interpret this drawn image separately, an error will be reported. The specific error message is: EChart Error-wrong Json format Image

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Self Hosted (Docker)

Steps to reproduce

When dify uses code blocks for drawing, if only drawing (echart) is fine, but as long as a large model is added to interpret this drawn image separately, an error will be reported. The specific error message is: EChart Error-wrong Json format

Image

✔️ Expected Behavior

When dify uses code blocks for drawing, if only drawing (echart) is fine, but as long as a large model is added to interpret this drawn image separately, an error will be reported. The specific error message is: EChart Error-wrong Json format

Image

❌ Actual Behavior

When dify uses code blocks for drawing, if only drawing (echart) is fine, but as long as a large model is added to interpret this drawn image separately, an error will be reported. The specific error message is: EChart Error-wrong Json format

Image
Originally created by @lhxxrds on GitHub (Sep 18, 2025). ### Self Checks - [x] I have read the [Contributing Guide](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) and [Language Policy](https://github.com/langgenius/dify/issues/1542). - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit this report, otherwise it will be closed. - [x] 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：） - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version When dify uses code blocks for drawing, if only drawing (echart) is fine, but as long as a large model is added to interpret this drawn image separately, an error will be reported. The specific error message is: EChart Error-wrong Json format <img width="1547" height="397" alt="Image" src="https://github.com/user-attachments/assets/cf9ae9de-859b-4b55-a462-0ab4669ad90d" /> ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce When dify uses code blocks for drawing, if only drawing (echart) is fine, but as long as a large model is added to interpret this drawn image separately, an error will be reported. The specific error message is: EChart Error-wrong Json format <img width="1547" height="397" alt="Image" src="https://github.com/user-attachments/assets/cf9ae9de-859b-4b55-a462-0ab4669ad90d" /> ### ✔️ Expected Behavior When dify uses code blocks for drawing, if only drawing (echart) is fine, but as long as a large model is added to interpret this drawn image separately, an error will be reported. The specific error message is: EChart Error-wrong Json format <img width="1547" height="397" alt="Image" src="https://github.com/user-attachments/assets/cf9ae9de-859b-4b55-a462-0ab4669ad90d" /> ### ❌ Actual Behavior When dify uses code blocks for drawing, if only drawing (echart) is fine, but as long as a large model is added to interpret this drawn image separately, an error will be reported. The specific error message is: EChart Error-wrong Json format <img width="1547" height="397" alt="Image" src="https://github.com/user-attachments/assets/cf9ae9de-859b-4b55-a462-0ab4669ad90d" />
yindo added the 🌚 invalid label 2026-02-21 19:38:24 -05:00
yindo closed this issue 2026-02-21 19:38:24 -05:00
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Reference: langgenius/dify#17687
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