fix paraformer-server for new apis

lyblsgo

2023-05-10 eea2a7689f18ce7ef3b0ab8bd3657f4f6f5cf8e0

1
2
3
4
5
6
7
8
+    plus
-    minus
/    divided
÷    divided
:    divided
×    times
*    times
·    times