feat(admin): 添加分红积分基准价格设置并进行有效性验证

- 在系统配置中添加"award_integral_price"字段，用于设置分红积分基准价格
- 添加对分红积分基准价格的验证，确保其值大于 0
- 优化了代码格式，调整了数组元素的缩进

app/common/repositories/user/UserRepository.php

@@ -2726,6 +2726,11 @@ class UserRepository extends BaseRepository
                 $userRepository = app()->make(UserRepository::class);
                 $userRepository->incBrokerage($uid, $all_price);
                 $userRepository->incField($uid, 'brokerage_price', $all_price);
+
+
+                //兑换就清空额度
+                $all_price = $info['award_range'];
+
                 //用户失去$all_price的收益额度
                 $userBillRepository->decBill($uid, 'award_range', 'extract_award', [
                     'link_id' => 0,