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

Xingchen Song(宋星辰)

2024-06-11 0bd1a4d6a9893e45438505514a063d9deee91f21

 funasr/models/scama/template.yaml

@@ -91,7 +91,7 @@
      - acc
      - max
  keep_nbest_models: 10
  avg_nbest_model: 5
  avg_nbest_model: 10
  log_interval: 50

optim: adam