fix small

src/ui/WaitRoom.tsx

@@ -86,15 +86,20 @@ export default function WaitRoom() {
           </button>
         </p>
         <p>
-          <button
-            disabled={
+          <button onClick={handleChoseStart}>
+            <Link
+              to={
+                // 若当前玩家是房主并且对战双方都已准备完毕，跳转到猜拳页面；
+                // 否则停留在当前页面。
                 !isHost ||
-              player0.state != READY_STATE ||
-              player1.state != READY_STATE
+                player0.state !== READY_STATE ||
+                player1.state !== READY_STATE
+                  ? {}
+                  : { pathname: `/mora` }
               }
-            onClick={handleChoseStart}
             >
-            <Link to={{ pathname: `/mora` }}>start</Link>
+              start
+            </Link>
           </button>
         </p>
       </div>