mqtt指令发布

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

@@ -6,7 +6,6 @@ import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 import lombok.experimental.Accessors;
 
-import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 import java.time.LocalDateTime;
 
@@ -15,7 +14,7 @@ import java.time.LocalDateTime;
 @Accessors(chain = true)
 public class BackMqttDto {
 
-    @NotBlank(message = "sn不能为空")
+    @NotNull(message = "sn不能为空")
     @ApiModelProperty(value = "sn编号", required = true)
     private Long sn;