diff --git a/build_push.sh b/build_push.sh
index 7835a72..98c9d39 100644
--- a/build_push.sh
+++ b/build_push.sh
@@ -157,8 +157,8 @@ build_and_push() {
             build_args="-t $SWR_REPO:latest -t $SWR_REPO:$short_sha"
             track_image "$SWR_REPO:latest"
             track_image "$SWR_REPO:$short_sha"
-        elif is_semver_like "$CI_COMMIT_BRANCH"; then
-            # 语义化分支 → 生成带 v 的多级标签
+        elif is_semver_like "$CI_COMMIT_BRANCH" && echo "$CI_COMMIT_BRANCH" | grep -q '\.'; then
+            # 语义化分支 → 生成带 v 的多级标签; 仅当包含 '.' 时才生成多级标签（如 v1.2.3 → v1.2, v1）
             TAGS=$(generate_version_tags "$CI_COMMIT_BRANCH" "$SWR_REPO")
             IFS=','
             for tag in $TAGS; do
@@ -167,7 +167,7 @@ build_and_push() {
             done
             unset IFS
         else
-            # 普通分支 → 清洗后使用
+            # 普通分支或纯数字（如 12, feature-x）→ 单标签 + sha
             local safe_branch=$(sanitize_label "$CI_COMMIT_BRANCH")
             local short_sha=$(echo "$CI_COMMIT_SHA" | cut -c1-8)
             build_args="-t $SWR_REPO:$safe_branch -t $SWR_REPO:$short_sha"