update

src/main/java/org/rcisoft/business/bbanner/dto/AddOrUpdateDTO.java

@@ -13,6 +13,7 @@ public class AddOrUpdateDTO {
     private String businessId;
 
     @NotBlank(message = "标题不能为空")
+    @Length(min = 1,max = 256,message = "长度最小为1,最大为256")
     @ApiModelProperty(value = "标题" ,required = true, dataType = "varchar")
     private String title;