diff --git a/bd-third/src/main/java/com/hzs/third/pay/util/PayUtil.java b/bd-third/src/main/java/com/hzs/third/pay/util/PayUtil.java
index fed8c5fa..575480f5 100644
--- a/bd-third/src/main/java/com/hzs/third/pay/util/PayUtil.java
+++ b/bd-third/src/main/java/com/hzs/third/pay/util/PayUtil.java
@@ -12,20 +12,24 @@ import java.util.TreeMap;
  */
 public class PayUtil {
 
+    /**
+     * 支付大于1元才能进行随机减
+     */
+    final static BigDecimal RANDOM_LIMIT = new BigDecimal("1");
     /**
      * 随机减金额
      */
-    final static BigDecimal RANDOM = new BigDecimal("0.5");
+    final static BigDecimal RANDOM = new BigDecimal("0.3");
 
     /**
-     * 计算随机金额，0.2元进行随机生成
+     * 计算随机金额，0.3元进行随机生成
      *
      * @param amount
      * @return
      */
     public static BigDecimal handleAmountRandom(BigDecimal amount) {
-        if (amount.compareTo(RANDOM) > 0) {
-            // 订单金额大于0.99元才进行处理
+        if (amount.compareTo(RANDOM_LIMIT) > 0) {
+            // 订单金额大于1元才进行处理
             return amount.subtract(RANDOM).add(RandomUtil.randomBigDecimal(new BigDecimal("0.01"), RANDOM).setScale(2, BigDecimal.ROUND_HALF_UP));
         }
         return amount;
@@ -39,7 +43,7 @@ public class PayUtil {
      * @return
      */
     public static boolean checkAmount(BigDecimal amount, BigDecimal payAmount) {
-        // 实际订单金额 - 支付金额 <= 0.2 则为正常处理
+        // 实际订单金额 - 支付金额 <= 0.3 则为正常处理
         return amount.subtract(payAmount).compareTo(RANDOM) <= 0;
     }