其他地方也添加判空处理

shared/pubUtils/data.ts

@@ -456,7 +456,14 @@ export function getPvpHeroRewardsByScore(score: number) {
             return item;
         }
     }
-    return null
+    return getMaxPvpHeroRewards()
+}
+
+function getMaxPvpHeroRewards() {
+    if(gameData.pvpHeroRewards.length <= 0) return null
+    return gameData.pvpHeroRewards.reduce((pre, cur) => {
+        return cur.max > pre.max? cur: pre;
+    }, gameData.pvpHeroRewards[0])
 }
 
 export function getPvpRankRewardsByRank(rankLv: number) {