diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java
index f6513dd..8d5627f 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java
@@ -358,8 +358,8 @@ public class CartService {
                             cashierCart.setPlaceNum(cashierCart.getPlaceNum() == null ? 0 : cashierCart.getPlaceNum());
                             cashierCartArrayList.add(cashierCart);
                             amount = amount.add(new BigDecimal(cashierCart.getNumber()).multiply(cashierCart.getSalePrice().add(cashierCart.getPackFee())));
-                            BigDecimal mPrice = cashierCart.getIsMember() == 1 && cashierCart.getMemberPrice() != null && cashierCart.getMemberPrice().compareTo(BigDecimal.ZERO) > 0
-                                    ? cashierCart.getMemberPrice() : cashierCart.getSalePrice();
+                            BigDecimal mPrice = cashierCart.getIsMember() != null && cashierCart.getIsMember() == 1 &&
+                                    cashierCart.getMemberPrice() != null && cashierCart.getMemberPrice().compareTo(BigDecimal.ZERO) > 0 ? cashierCart.getMemberPrice() : cashierCart.getSalePrice();
                             memberAmount = memberAmount.add(mPrice.multiply(BigDecimal.valueOf(cashierCart.getTotalNumber())).add(cashierCart.getPackFee()));
 
                         }