Adding tianditu to the layout occasionally appears blank

[SharkSyl]

What is the bug or the crash?

I have loaded the following services through the desktop application

http://t0.tianditu.gov.cn/DataServer?tk={token}&T=cia_w&x={x}&y={y}&l={z}

A blank layer appears when loading a layout

Steps to reproduce the issue

1. Changing the zoom range
2. Open the layout and add map layout items

Versions

QGIS version 3.20.3-Odense QGIS code revision 495fbaec Qt version 5.15.2 Python version 3.9.5 GDAL/OGR version 3.3.1 PROJ version 8.1.1 EPSG Registry database version v10.028 (2021-07-07) GEOS version 3.9.1-CAPI-1.14.2 SQLite version 3.35.2 PDAL version 2.3.0 PostgreSQL client version 13.0 SpatiaLite version 5.0.1 QWT version 6.1.3 QScintilla2 version 2.11.5 OS version Windows 10 Version 2009

Active Python plugins db_manager MetaSearch processing

Supported QGIS version

• [X] I'm running a supported QGIS version according to the roadmap.

New profile

• [ ] I tried with a new QGIS profile

Additional context

No response

[daviddvd12002]

Please refer to TianDiTu document here: http://lbs.tianditu.gov.cn/server/MapService.html . Note that "cia_w" you requested is meant to be "影像注记" (Image Annotation), so what shows in you QGIS is exactly it should be. You may need "img_w" or "img_c" if you need imagery.

[github-actions[bot]]

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[github-actions[bot]]

While we hate to see this happen, this issue has been automatically closed because it has not had any activity in the last 42 days despite being marked as feedback. If this issue should be reconsidered, please follow the guidelines in the previous comment and reopen this issue. Or, if you have any further questions, there are also further support channels that can help you.