remove sleep operation in WebSocketStream

src/infra/stream.ts

@@ -3,10 +3,6 @@
 //
 // 因此封装了一个`WebSocketStream`类，当每次Websocket连接中有消息到达时，往流中添加event，
 
-import { useConfig } from "@/config";
-
-import { sleep } from "./sleep";
-
 // 同时执行器会不断地从流中获取event进行处理。
 export class WebSocketStream {
   public ws: WebSocket;
@@ -69,7 +65,11 @@ export class WebSocketStream {
 
       if (value) {
         // wait some time, and then handle message from server
-        await sleep(useConfig().streamInterval);
+        //
+        // but now it seems that we don't need wait any more,
+        // so comment the following line and check if it's ok without it.
+        //
+        // await sleep(useConfig().streamInterval);
         await onMessage(value);
       } else {
         console.warn("value from ReadableStream is undefined!");