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src/main/java/com/izouma/nineth/service/OrderService.java

@@ -303,15 +303,14 @@ public class OrderService {
         if (divMembers.size() > 1) {
             paymentParams.put("div_members", divMembers);
         }
-
+        Map<String, Object> expend = new HashMap<>();
+        paymentParams.put("expend", expend);
         if ("wx_pub".equals(payChannel)) {
             if (StringUtils.isBlank(openId)) {
                 throw new BusinessException("缺少openId");
             }
-            Map<String, Object> expend = new HashMap<>();
             expend.put("open_id", openId);
             expend.put("limit_pay", "1");
-            paymentParams.put("expend", expend);
         }
 
         Map<String, Object> response;