final

src/main/java/com/isu/gaswellwatch/vo/command/Command.java

@@ -102,7 +102,7 @@ public abstract class Command implements Serializable {
     @NotNull(message = "下发设备标识不能为空")
     private Long deviceId;
 
-    public Collection<ModbusCommandDto> buildModbusCommand() {
+    public final Collection<ModbusCommandDto> buildModbusCommand() {
         if (!this.validate()) {
             throw new InvalidParameterException("Invalid command");
         }