this is 4.2 update

src/main/java/com/cultural/heritage/controller/global/GlobalController.java

@@ -415,6 +415,8 @@ public class GlobalController {
         return ResultUtils.success(new BigDecimal(postagePrice).setScale(2, RoundingMode.HALF_UP));
     }
 
+    
+
 
 
 }

src/main/java/com/cultural/heritage/controller/wx/WeChatPayController.java

@@ -34,6 +34,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import java.io.IOException;
+import java.math.BigDecimal;
 
 /**
  * 微信小程序相关接口
@@ -87,7 +88,8 @@ public class WeChatPayController {
         if (!loginUser.getId().equals(order.getUserId())) {
             throw new BusinessException(ErrorCode.NO_AUTH_ERROR, "你不是该订单用户！");
         }
-        PrepayWithRequestPaymentResponse response = weChatService.createPayment(String.valueOf(orderId), miniOpenId, order.getTotalAmount());
+        BigDecimal total = order.getTotalAmount().add(order.getPostage());
+        PrepayWithRequestPaymentResponse response = weChatService.createPayment(String.valueOf(orderId), miniOpenId, total);
         return ResultUtils.success(response);
     }