fix

src/main/java/com/bailuntec/api/bailuntec/mjcg/resp/SupofferLogResp.java

@@ -37,7 +37,8 @@ public class SupofferLogResp {
 
     private BigDecimal price;
 
-    private String sku;
+    @JsonProperty("sku")
+    private String skuCode;
 
     @JsonProperty("sku_name")
     private String skuName;