字段补充

Author: liaohanfei

trackingmore-sdk/src/main/java/com/trackingmore/model/airWaybill/TrackInfo.java

@@ -29,6 +29,9 @@ public class TrackInfo {
     @JsonProperty("piece")
     private String piece;
 
+    @JsonProperty("weight")
+    private String weight;
+
     @JsonProperty("checkpoint_status")
     private String checkpointStatus;