keep blank for english asr result (#623)

zhaomingwork

2023-06-13 4a33f08defa92ac6c9c757dbde06d29d183bf203

1
2
3
4
5
6
7
8
9
10
11
12
13    1
14    2
15    3
16    4
17    5
18    6
19    7
20    8
21    9
22    10
23    11
24    12