fix: bugs

.github/workflows/build.yaml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-latest]
+        os: [macos-latest, windows-latest, ubuntu-16.04]
 
     steps:
       - name: Check out Git repository
@@ -24,7 +24,8 @@ jobs:
         run: |
           sudo apt-get update &&
           sudo apt-get install --no-install-recommends -y rpm &&
-          sudo apt-get install --no-install-recommends -y bsdtar
+          sudo apt-get install --no-install-recommends -y bsdtar &&
+          sudo apt-get install --no-install-recommends -y libopenjp2-tools
 
       - name: Install Snapcraft (on Ubuntu)
         uses: samuelmeuli/action-snapcraft@v1

src/views/lyrics.vue

@@ -234,7 +234,7 @@ export default {
     },
     lyricFontSize() {
       return {
-        fontSize: this.$store.state.settings.lyricFontSize + "px",
+        fontSize: `${this.$store.state.settings.lyricFontSize || 28}px`,
       };
     },
     playerRef() {