1.优化websocket连接

2.修复游戏实施对局显示错误

web/src/lang/backend/en/game/live.ts

@@ -7,7 +7,7 @@ export default {
     bet_countdown: 'Bet left',
     draw_countdown: 'Draw left',
     payout_countdown: 'Payout left',
-    payout_na: '—',
+    payout_na: '?',
     payout_phase: 'Payout in progress',
     action_panel: 'Actions',
     manual_draw_number: 'Scheduled draw',
@@ -18,7 +18,7 @@ export default {
     push_connected: 'Realtime connection established',
     push_disconnected: 'Polling mode enabled (push removed)',
     ws_connected: 'Connected to real-time match',
-    ws_disconnected: 'WebSocket disconnected (HTTP polling fallback only)',
+    ws_disconnected: 'Service unavailable, please check backend service',
     ws_panel_title: 'Admin WebSocket (vs. mobile lightweight stream)',
     ws_reload_config: 'Load WS config',
     ws_connect: 'Connect WS',