diff --git a/build_push.sh b/build_push.sh
index fbb4be7..269ae52 100644
--- a/build_push.sh
+++ b/build_push.sh
@@ -87,7 +87,19 @@ build_and_push() {
         # 使用 cut 截取前8位字符
         IMAGE_TAG=$(echo "${CI_COMMIT_SHA:-}" | cut -c1-8)
     fi
-    
+
+    local IMAGE_TAG=""
+    if [ -n "${CI_COMMIT_TAG:-}" ]; then
+        # 来自 tag 推送
+        IMAGE_TAG="${CI_COMMIT_TAG}"
+    elif [ -n "${CI_COMMIT_BRANCH:-}" ] && [ "${CI_COMMIT_BRANCH}" != "main" ] && [ "${CI_COMMIT_BRANCH}" != "master" ]; then
+        # 来自非主干分支推送 → 使用分支名
+        IMAGE_TAG="${CI_COMMIT_BRANCH}"
+    else
+        # main/master 分支或无法识别 → 使用 latest
+        IMAGE_TAG="latest"
+    fi
+
     # 确定传入 Dockerfile 的 APP_VER 参数
     local APP_VER_ARG=""
     if [ "${CI_COMMIT_BRANCH:-}" = "main" ] || [ "${CI_COMMIT_BRANCH:-}" = "master" ]; then