Long tasks are more likely to drift due to state changes or the accumulation of small errors. Mid-course verification can stop problems before they escalate.
Understand the essentials
Login, pop-up windows, and content refreshes will change the interface, and the model's previous judgment may not still apply.
A practical example
Hypothetical example: When sorting multiple records, if you continue to operate after missing one, the final number may be wrong.
What to check or try
- Break it into verifiable pieces.
- Check the quantity and key fields for each paragraph.
- Keep track of completed items.
- Recover from an explicit state on failure.
Checkpoints can be placed after saving, switching applications, or completing a batch of records, and the content should correspond to the business results. If you only record "Next clicked", you may still miss input content errors. Once the state is established before continuing, recovery will be easier to start from the middle.
An easy-to-miss detail
Don’t just measure success by clicks or run time.
Continue reading
- How to assess test steps written by an AI assistant
- Are AI cloud phones useful only when running multiple instances?
Back to Cloud phones: AI and practical learning
Notes and further reading
Tencent Cloud Phone Computer Use Agent tutorial；AndroidWorld project page。
This introductory guide was prepared by 51Yunji from public information with AI-assisted drafting. Examples are hypothetical, not hands-on product tests or promises of results. Follow the current product, version and official instructions for specific features and procedures. Compiled on October 26, 2026.