[fix] fix empty asr result (#1794)

Xingchen Song(宋星辰)

2024-06-07 93a02feda1848531a48a1794a8de12a962c84a8e

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<?xml version="1.0" encoding="UTF-8"?>
<Bucket
   uuid = "A434E096-73C6-4C03-86F5-FAA8A72D79B0"
   type = "1"
   version = "2.0">
</Bucket>