BUGFIX: generate 获取结果加判空

src/main/java/com/ai/da/model/vo/GenerateResultVO.java

@@ -3,10 +3,12 @@ package com.ai.da.model.vo;
 import io.swagger.annotations.ApiModel;
 import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
 @ApiModel("generate result 响应")
 @AllArgsConstructor
+@NoArgsConstructor
 public class GenerateResultVO {
 
     private String taskId;