add usePlugins

src/style/index.scss

@@ -13,7 +13,6 @@
     font-size: 14px;
     line-height: 1.3;
     user-select: none;
-    -webkit-font-smoothing: antialiased;
     -webkit-tap-highlight-color: rgba(0,0,0,0);
     touch-action: manipulation;
     -ms-high-contrast-adjust: none;
@@ -51,7 +50,6 @@
         color: #fff;
         text-shadow: 0.5px 0.5px 0.5px rgba(0, 0, 0, 0.5);
         font-size: 20px;
-        box-sizing: border-box;
     }
 
     .artplayer-layers {
@@ -115,7 +113,6 @@
         opacity: 0;
         visibility: hidden;
         transition: all .2s ease-in-out;
-        box-sizing: border-box;
         background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAADGCAYAAAAT+OqFAAAAdklEQVQoz42QQQ7AIAgEF/T/D+kbq/RWAlnQyyazA4aoAB4FsBSA/bFjuF1EOL7VbrIrBuusmrt4ZZORfb6ehbWdnRHEIiITaEUKa5EJqUakRSaEYBJSCY2dEstQY7AuxahwXFrvZmWl2rh4JZ07z9dLtesfNj5q0FU3A5ObbwAAAABJRU5ErkJggg==) repeat-x bottom;
     
         .artplayer-progress {
@@ -271,4 +268,10 @@
             }
         }
     }
+
+    &.artplayer-error {
+        .art-progress-indicator, .art-progress-tip {
+            display: none !important;
+        }
+    }
 }