diff --git a/scripts/backup-common.sh b/scripts/backup-common.sh
index 0e40eee..c42d96d 100755
--- a/scripts/backup-common.sh
+++ b/scripts/backup-common.sh
@@ -169,8 +169,8 @@ backup_oss_upload() {
 
 backup_validate_oss_uri() {
   local uri="$1"
-  if [[ ! "${uri}" =~ ^oss://[A-Za-z0-9][A-Za-z0-9._-]*$ ]]; then
-    backup_error "BACKUP_OSS_URI 必须是 oss://bucket 格式，当前值：${uri}"
+  if [[ ! "${uri}" =~ ^oss://[A-Za-z0-9][A-Za-z0-9._-]*(/[A-Za-z0-9._-]+)*$ ]]; then
+    backup_error "BACKUP_OSS_URI 必须是 oss://bucket 或 oss://bucket/prefix 格式，当前值：${uri}"
     exit 1
   fi
 }
diff --git a/scripts/deploy-prod.sh b/scripts/deploy-prod.sh
index 1a9abe3..d54252e 100755
--- a/scripts/deploy-prod.sh
+++ b/scripts/deploy-prod.sh
@@ -230,8 +230,8 @@ validate_env() {
     log_error "BACKUP_RESTORE_DIR 必须是与 BACKUP_DIR 不同的 /data 子目录，当前值：${backup_restore_dir}"
     exit 1
   fi
-  if [[ ! "${backup_oss_uri}" =~ ^oss://[A-Za-z0-9][A-Za-z0-9._-]*$ ]]; then
-    log_error "BACKUP_OSS_URI 必须是 oss://bucket 格式，当前值：${backup_oss_uri}"
+  if [[ ! "${backup_oss_uri}" =~ ^oss://[A-Za-z0-9][A-Za-z0-9._-]*(/[A-Za-z0-9._-]+)*$ ]]; then
+    log_error "BACKUP_OSS_URI 必须是 oss://bucket 或 oss://bucket/prefix 格式，当前值：${backup_oss_uri}"
     exit 1
   fi
   if [[ ! "${backup_user}" =~ ^[A-Za-z0-9_]{1,32}$ ]]; then