diff --git a/backend-java/src/main/java/com/nanri/aiimage/modules/brand/service/BrandTaskService.java b/backend-java/src/main/java/com/nanri/aiimage/modules/brand/service/BrandTaskService.java
index 16672a2..d65a581 100644
--- a/backend-java/src/main/java/com/nanri/aiimage/modules/brand/service/BrandTaskService.java
+++ b/backend-java/src/main/java/com/nanri/aiimage/modules/brand/service/BrandTaskService.java
@@ -75,6 +75,7 @@ public class BrandTaskService {
 
     private static final DateTimeFormatter DATETIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
     private static final Duration STALE_CHECK_LOCK_TTL = Duration.ofMinutes(10);
+    private static final long RESULT_SUBMIT_WAIT_MILLIS = 5 * 60 * 1000L;
     private static final String STATUS_PENDING = "pending";
     private static final String STATUS_RUNNING = "running";
     private static final String STATUS_SUCCESS = "success";
@@ -223,7 +224,7 @@ public class BrandTaskService {
         if (taskId == null || taskId <= 0) {
             throw new BusinessException("taskId invalid");
         }
-        try (TaskDistributedLockService.LockHandle ignored = acquireTaskLockOrThrow(taskId, TaskDistributedLockService.DEFAULT_WAIT_MILLIS)) {
+        try (TaskDistributedLockService.LockHandle ignored = acquireTaskLockOrThrow(taskId, RESULT_SUBMIT_WAIT_MILLIS)) {
             long startedAt = System.currentTimeMillis();
             BrandCrawlTaskEntity task = requireActiveTask(taskId);
             List<BrandSourceFileDto> sourceFiles = parseSourceFiles(task.getFilePaths());