修改sn号重复注册问题

device-api-service/src/main/java/com/xy/entity/MqttUser.java

@@ -29,6 +29,8 @@ public class MqttUser implements Serializable {
     @TableId(value = "id", type = IdType.AUTO)
     private Integer id;
 
+    private String sn;
+
     private String username;
 
     private String passwordHash;

device-api/src/main/java/com/xy/dto/MqttUserDto.java

@@ -52,6 +52,9 @@ public class MqttUserDto {
         @ApiModelProperty("唯一标识")
         private Integer id;
 
+        @ApiModelProperty("sn号")
+        private String sn;
+
         @ApiModelProperty("账号")
         private String username;