diff --git a/game-server/app/services/eventSercive.ts b/game-server/app/services/eventSercive.ts
index c429ef473..74fd5b703 100644
--- a/game-server/app/services/eventSercive.ts
+++ b/game-server/app/services/eventSercive.ts
@@ -36,10 +36,10 @@ export function getEventTime(now: Date) {
     let curTime = Number(now);
     let todayA = now.setHours(12, 0, 0, 0); // 每天12点
     let todayB = now.setHours(18, 0, 0, 0); // 每天18点
-    let yesterdayA = todayA - 86400000; // 前一天12点
+    let yesterdayB = todayB - 86400000; // 前一天12点
     let t = 0;
     if(curTime < todayA) {
-        t = yesterdayA;
+        t = yesterdayB;
     } else if (curTime >= todayA && curTime < todayB) {
         t = todayA;
     } else if (curTime >= todayB) {