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[lelelelelez]

Brief Information

This pull request is in the type of:

• bug fixing
• new feature
• others

What does this PR do?

Please clarify what does this PR do. For instance：

1. Fixed issues?

2. Before: What was the problem?

3. After: How is it fixed in this PR?

Why are the changes needed?

Please clarify why the changes are needed. For instance：

1. If you propose a new API, clarify the use case for a new API.
2. If you fix a bug, you can clarify why it is a bug.

How was this patch tested?

1. If tests were added, say they were added here. Please make sure to add some test cases that check the changes thoroughly including negative and positive cases if possible.
2. If it was tested in a way different from regular unit tests, please clarify how you tested step by step, ideally copy and paste-able, so that other reviewers can test and check, and descendants can verify in the future.
3. If tests were not added, please describe why they were not added and/or why it was difficult to add.

Others

Please write down the other information you want to tell reviewers.

[paddle-bot-old]

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