Update .travis.yml

Frederick-S · web-flow · commit d8e5c7d1f1cc · 2020-03-29T16:03:41.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,4 @@
 language: node_js
 node_js:
   - 10
- script: yarn build
+script: yarn build
