[Bug] load video frames bug.

[xmy0916]

Checklist

• [X] 1. I have searched related issues but cannot get the expected help.
• [X] 2. The bug has not been fixed in the latest version.
• [X] 3. Please note that if the bug-related issue you submitted lacks corresponding environment info and a minimal reproducible demo, it will be challenging for us to reproduce and resolve the issue, reducing the likelihood of receiving feedback.

Describe the bug

https://github.com/OpenGVLab/InternVL/blob/main/internvl_chat/internvl/train/dataset.py#L143

Reproduction

这直接sort文件名不太行吧，视频帧的顺序都乱了，例如[11.jpg,2.jpg] sort完是11.jpg在前面

Environment

123

Error traceback

No response

[czczup]

感谢反馈！

[czczup]

这个问题已经修复