获得战报，刷新

shared/pubUtils/timeUtil.ts

@@ -20,4 +20,9 @@ export function checkTodayTime(seasonEndTime: number) {
         return true;
     }
     return false;
+}
+
+export function getBeforeDayDate(day: number) {     
+    let time = getTodayZeroPoint() - day * PER_DAY;
+    return new Date(time * PER_SECOND);     
 }