diff --git a/apps/ops-web/src/lib/desktop-client-releases.ts b/apps/ops-web/src/lib/desktop-client-releases.ts
index 22acd4e..7d76117 100644
--- a/apps/ops-web/src/lib/desktop-client-releases.ts
+++ b/apps/ops-web/src/lib/desktop-client-releases.ts
@@ -85,6 +85,8 @@ const DESKTOP_CLIENT_RELEASE_COMPLETE_TIMEOUT_MS = 10 * 60 * 1000
 const DESKTOP_CLIENT_RELEASE_CHUNK_SIZE_BYTES = 16 * 1024 * 1024
 const DESKTOP_CLIENT_RELEASE_HASH_CHUNK_SIZE_BYTES = 8 * 1024 * 1024
 const DESKTOP_CLIENT_RELEASE_CHUNK_RETRIES = 2
+const DIRECT_UPLOAD_NOT_FOUND_ERROR_CODE = 40078
+const DIRECT_UPLOAD_NOT_FOUND_ERROR_MESSAGE = 'direct_upload_not_found'
 
 export interface DesktopClientReleaseUploadProgress {
   loaded: number
@@ -199,6 +201,7 @@ export const desktopClientReleaseApi = {
         total: file.size,
         percent: 0,
         stage: 'uploading',
+        message: '直传未完成，已切换为后端分片上传',
       })
       return uploadOSSInChunks(file, target)
     }
@@ -330,7 +333,11 @@ async function completeDirectUpload(
 }
 
 function isDirectUploadNotFoundError(error: unknown): boolean {
-  return error instanceof OpsApiError && error.code === 40078
+  return (
+    error instanceof OpsApiError &&
+    (error.code === DIRECT_UPLOAD_NOT_FOUND_ERROR_CODE ||
+      error.message === DIRECT_UPLOAD_NOT_FOUND_ERROR_MESSAGE)
+  )
 }
 
 function directUploadHeaders(headers: Record<string, string> | undefined): Record<string, string> {
@@ -342,6 +349,7 @@ function directUploadHeaders(headers: Record<string, string> | undefined): Recor
 
 function shouldFallbackToChunkedUpload(error: unknown): boolean {
   if (axios.isAxiosError(error)) return true
+  if (isDirectUploadNotFoundError(error)) return true
   return error instanceof Error && error.message === 'missing_direct_upload_url'
 }
 
@@ -377,6 +385,10 @@ async function pollCompleteJob(
     if (job.status === 'failed') {
       throw new OpsApiError({
         message: job.error_code || 'desktop_client_release_upload_failed',
+        code:
+          job.error_code === DIRECT_UPLOAD_NOT_FOUND_ERROR_MESSAGE
+            ? DIRECT_UPLOAD_NOT_FOUND_ERROR_CODE
+            : undefined,
         detail: job.error || job.message || '上传确认失败',
       })
     }