diff --git a/scripts/backup-online.sh b/scripts/backup-online.sh
index e295514..710ff15 100755
--- a/scripts/backup-online.sh
+++ b/scripts/backup-online.sh
@@ -142,6 +142,10 @@ EOF
   printf '%s  %s\n' "${payload_sha}" 'mysql-full.tgz.enc' > "${tmp_dir}/mysql-full.tgz.enc.sha256"
   backup_write_complete_marker "${tmp_dir}/complete.env" 'mysql-full.tgz.enc' "${payload_sha}" "${payload_size}" "${server_uuid}"
 
+  # complete.env 会作为远端最后上传的原子完成标识。仅当日备已上传成功后，
+  # 才将该备份移入本地正式保留目录，避免失败备份被 status 误判为完整。
+  upload_backup_set "${tmp_dir}" daily "${ts}" "${server_uuid}" "${oss_uri}"
+
   mkdir -p "${target_dir}"
   mv "${tmp_dir}/mysql-full.tgz.enc" "${target_dir}/"
   mv "${tmp_dir}/mysql-full.tgz.enc.sha256" "${target_dir}/"
@@ -151,7 +155,6 @@ EOF
   cleanup_dir=''
   rmdir "${tmp_dir}"
 
-  upload_backup_set "${target_dir}" daily "${ts}" "${server_uuid}" "${oss_uri}"
   if [[ "$(date +%u)" == '7' ]]; then
     mkdir -p "${backup_dir}/full/weekly/${ts}"
     ln "${target_dir}/mysql-full.tgz.enc" "${backup_dir}/full/weekly/${ts}/mysql-full.tgz.enc"