fix loss normalization for ddp training

haoneng.lhn

2023-12-08 ace42e5043be992c3a324fc637ba0594f10ad3b6

 runtime/html5/static/wsconnecter.js

@@ -71,6 +71,7 @@
         "wav_name":  "h5",

         "is_speaking":  true,

         "chunk_interval":10,

         "itn":false,

         "mode":getAsrMode(),

         

      };