no message

+package com.lego.common.annotation;
+
+/**
+ * @author chentao
+ * @date 2025/4/23
+ */
+
+import javax.validation.Constraint;
+import javax.validation.Payload;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+@Constraint(validatedBy = AtLeastOneNonNullValidator.class)
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface AtLeastOneNonNull {
+    String message() default "At least one field must be non-null";
+    Class<?>[] groups() default {};
+    Class<? extends Payload>[] payload() default {};
+    String[] fields(); // 指定需要校验的字段名数组
+}
\ No newline at end of file

+package com.lego.common.annotation;
+
+import com.lego.common.annotation.AtLeastOneNonNull;
+
+import javax.validation.ConstraintValidator;
+import javax.validation.ConstraintValidatorContext;
+import java.lang.reflect.Field;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * @author chentao
+ * @date 2025/4/23
+ */
+public class AtLeastOneNonNullValidator implements ConstraintValidator<AtLeastOneNonNull, Object> {
+    private List<String> fields;
+
+    @Override
+    public void initialize(AtLeastOneNonNull constraintAnnotation) {
+        fields = Arrays.asList(constraintAnnotation.fields());
+    }
+
+    @Override
+    public boolean isValid(Object object, ConstraintValidatorContext context) {
+        if (object == null) {
+            return false; // 如果对象本身为null，则不满足条件
+        }
+        for (String fieldName : fields) {
+            try {
+                Field field = object.getClass().getDeclaredField(fieldName);
+                field.setAccessible(true); // 设置私有字段可访问，以便读取值
+                if (Objects.nonNull(field.get(object))) { // 检查字段是否非空
+                    return true; // 如果至少一个字段非空，返回true
+                }
+            } catch (NoSuchFieldException | IllegalAccessException e) {
+                // 处理异常，例如记录日志等
+                return false; // 出现异常时，保守起见返回false，实际中应更细致处理异常情况
+            }
+        }
+        return false; // 所有指定字段均为空或出现异常，返回false
+    }
+}

 package com.lego.core.domin.bo;
 
+import com.lego.common.annotation.AtLeastOneNonNull;
 import lombok.Data;
 
 import javax.validation.constraints.NotBlank;
@@ -12,6 +13,7 @@ import javax.validation.constraints.Size;
  * @date 2024/9/8 16:29
  */
 @Data
+@AtLeastOneNonNull(fields = {"twoDimensionalOssId", "threeDimensionalOssId"})
 public class CourseBo extends BaseBO {
     private static final long serialVersionUID = 1L;