更新！

src/main/java/com/github/microservice/busInfoModel/thing/IotThing2DeviceSearch.java

@@ -31,4 +31,7 @@ public class IotThing2DeviceSearch extends SuperSearchParam {
     @Schema(description = "在线状态")
     private OnLineState onLineState;
 
+    @Schema(description = "产品code")
+    private String productCode;
+
 }