diff --git a/deploy.sh b/deploy.sh
index d796bcb..208556b 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -477,7 +477,8 @@ do_deploy() {
 
     # ----- 事务前钩子：备份数据库（仅降级时备份） -----
     BACKUP_DIR=""
-    if [ -n "$CURRENT_VERSION" ] && [ "$CURRENT_VERSION" != "0.0.0-dev" ]; then
+    # 仅当 CURRENT_VERSION 是有效版本格式时才进行版本比对
+    if [ -n "$CURRENT_VERSION" ] && [ "$CURRENT_VERSION" != "0.0.0-dev" ] && [ "$CURRENT_VERSION" != "(首次部署)" ]; then
         compare_version "$CURRENT_VERSION" "$TARGET_VERSION"
         COMPARE_RESULT=$?
         if [ $COMPARE_RESULT -eq 2 ]; then