更新.gitlab-ci.yml文件

.gitlab-ci.yml

@@ -1,6 +1,10 @@
+
+stages:
+  - build
+
 build_job:
   stage: build
   script:
-    - echo "只允许build执行流水线"
+    - echo "仅build分支执行CI流水线"
   rules:
-    - if:'$CI_COMMIT_BRANCH == "build"'
+    - if: '$CI_COMMIT_BRANCH == "build"'