fix small errors

4 jobs for master in 3 minutes and 58 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Install
passed #52162
install-dependencies

00:02:24

 
  Test
passed #52164
plain-html-check

00:00:46

passed #52163
vue-unit

00:00:23

 
  Build
passed #52165
build-vue

00:00:46