[fix] better solution for handling empty result (#1796)

Xingchen Song(宋星辰)

2024-06-11 0bd1a4d6a9893e45438505514a063d9deee91f21

 funasr/models/ct_transformer/template.yaml

@@ -25,6 +25,7 @@
        - 1.0
        - 1.0
        - 1.0
    sentence_end_id: 3

encoder: SANMEncoder
encoder_conf: