diff --git a/backend/src/main/java/com/designhub/dto/PipelineTaskDTO.java b/backend/src/main/java/com/designhub/dto/PipelineTaskDTO.java
index e1f5002..9b41de8 100644
--- a/backend/src/main/java/com/designhub/dto/PipelineTaskDTO.java
+++ b/backend/src/main/java/com/designhub/dto/PipelineTaskDTO.java
@@ -1,5 +1,6 @@
 package com.designhub.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import lombok.Data;
 import java.time.LocalDateTime;
 import java.util.List;
@@ -8,6 +9,7 @@ import java.util.List;
  * 流水线任务创建请求DTO
  */
 @Data
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class PipelineTaskDTO {
     
     /**