fix catch for vad

雾聪

2023-08-09 268adb8c1eafb95498e91b9657ed7f66d4d71c20

 egs/alimeeting/sa_asr/README.md

@@ -76,7 +76,7 @@
        <td>49.37</td>
   </tr>
</table> -->
|                |SI-CER(%)     |cp-CER(%)  |
|                |SI-CER(%)     |cpCER(%)  |
|:---------------|:------------:|----------:|
|oracle profile  |32.72         |42.92      |
|cluster  profile|32.73         |49.37      |