diff --git a/yshop-app/src/main/java/co/yixiang/modules/cart/param/CartParam.java b/yshop-app/src/main/java/co/yixiang/modules/cart/param/CartParam.java
index 8903c0c6..ca30bb43 100644
--- a/yshop-app/src/main/java/co/yixiang/modules/cart/param/CartParam.java
+++ b/yshop-app/src/main/java/co/yixiang/modules/cart/param/CartParam.java
@@ -36,11 +36,11 @@ public class CartParam {
     private String uniqueId;
 
     @ApiModelProperty(value = "产品拼团ID")
-    private Long combinationId;
+    private Long combinationId = 0L;
 
     @ApiModelProperty(value = "产品秒杀ID")
-    private Long secKillId;
+    private Long secKillId = 0L;
 
     @ApiModelProperty(value = "产品砍价ID")
-    private Long bargainId;
+    private Long bargainId = 0L;
 }