diff --git a/yudao-module-haoka/yudao-module-haoka-biz/src/main/java/cn/iocoder/yudao/module/haoka/service/api/strategy/LianTongApiDealStrategy.java b/yudao-module-haoka/yudao-module-haoka-biz/src/main/java/cn/iocoder/yudao/module/haoka/service/api/strategy/LianTongApiDealStrategy.java
index ba41ce3748..94e703d894 100644
--- a/yudao-module-haoka/yudao-module-haoka-biz/src/main/java/cn/iocoder/yudao/module/haoka/service/api/strategy/LianTongApiDealStrategy.java
+++ b/yudao-module-haoka/yudao-module-haoka-biz/src/main/java/cn/iocoder/yudao/module/haoka/service/api/strategy/LianTongApiDealStrategy.java
@@ -187,8 +187,10 @@ public class LianTongApiDealStrategy implements ApiDealStrategy {
             preOrder.setChannel(configs.getString("ApiPrefix_channel"));
 
             // 填充 preOrder 的其他字段
-
-            preOrder.setOrderTotalFee(configs.getString("ApiPrefix_orderTotalFee"));
+            String orderTotalFee = configs.getString("ApiPrefix_orderTotalFee");
+            if (orderTotalFee==null){
+                preOrder.setOrderTotalFee("0");
+            }
             preOrder.setIsOpenCF(configs.getString("ApiPrefix_isOpenCF"));
             preOrder.setFinanceFlag(configs.getString("ApiPrefix_financeFlag"));
             preOrder.setFinanceChannelCode(configs.getString("ApiPrefix_financeChannelCode"));