Swallowing words, reading normally at first, then speeding up, and then not reading the last word of the sentence completely

[Liwenru88]

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Cloud or Self Hosted

Self Hosted (Source)

Environment Details

ubuntu 20.04，python3.10 ,torch2.4.1+cu121

Reference Audio：
http://101.201.69.129:22122/audio/tts-reference-audio/f8693be5-13de-423d-bae2-ba8d6ddb5ff3.wav

Steps to Reproduce

Example text：摇身化为冲击一线的卫士，他们也有家庭，也有妻子爱人和父母，但他们不曾畏惧，不曾退缩，全国各地的医护人员，自发组成应援团队，身负神圣的使命，前往湖北一线，此时的他们也是逆行者，在人们纷纷远离这座城市时，他们决定迎难而上，因为在离开医校进入工作时，他们做了庄严的宣誓，但这不是义务，更多的是一份责任，一份担当，一份大爱无疆

✔️ Expected Behavior

Complete reading verbatim

❌ Actual Behavior

Speed ​​up in the middle, and fail to read the last word completely
http://123.57.76.115:22122/test-video/error.wav

[PoTaTo-Mika]

We have made some DPO tricks to the model, this problem is now relieved.