[build] fix

Author: g3force

.circleci/config.yml

@@ -4,9 +4,10 @@ jobs:
     docker:
     - image: circleci/node:10.8.0
     steps:
+    - checkout
     - attach_workspace:
         at: ./ui/dist
-    - checkout
+    - run: cd ui
     - run: npm install
     - run: npm test
     - run: npm run build