diff --git a/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java b/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java
index a64a02ae..6f35de66 100644
--- a/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java
@@ -523,7 +523,7 @@ public class GenerateServiceImpl extends ServiceImpl<GenerateMapper, Generate> i
         taskIdList.forEach(taskId -> {
             String key = generateResultKey + ":" + taskId;
             GenerateResultVO generateResultVO = new Gson().fromJson(redisUtil.getFromString(key), GenerateResultVO.class);
-            if (!StringUtil.isNullOrEmpty(generateResultVO.getUrl())) {
+            if (!Objects.isNull(generateResultVO) && !StringUtil.isNullOrEmpty(generateResultVO.getUrl())) {
                 generateResultVO.setUrl(minioUtil.getPresignedUrl(generateResultVO.getUrl(), CommonConstant.MINIO_IMAGE_EXPIRE_TIME));
             }
             results.add(generateResultVO);