好友：修复好友拥有人数问题

shared/pubUtils/data.ts

@@ -596,8 +596,7 @@ export function getDicFriendByLv(lv: number) {
     let dicFriend: DicRoleFriend;
     let entries = gameData.roleFriend.entries();
     for (let [dicLv, dic] of entries) {
-        dicFriend = dic;
-        if (lv < dicLv) break;
+        if (lv >= dicLv || !dicFriend) dicFriend = dic;
     }
 
     return dicFriend;