Version update Field addition

Author: liaohanfei

README.md

@@ -27,14 +27,14 @@ Contact: <manage@trackingmore.org>
 <dependency>
    <groupId>io.github.trackingmores</groupId>
    <artifactId>trackingmore-sdk-java</artifactId>
-   <version>1.0.3</version>
+   <version>1.0.4</version>
 </dependency>
 ```
 
 ### Gradle
 
 ```
-implementation "io.github.trackingmores:trackingmore-sdk-java:1.0.3"
+implementation "io.github.trackingmores:trackingmore-sdk-java:1.0.4"
 ```
 
 

trackingmore-sdk/src/main/java/com/trackingmore/model/tracking/Tracking.java

@@ -98,6 +98,9 @@ public class Tracking {
     @JsonProperty("note")
     private String note;
 
+    @JsonProperty("label")
+    private String label;
+
     @JsonProperty("signed_by")
     private String signedBy;