add

src/views/charts/keyboard2.vue

@@ -10,12 +10,7 @@
     import keyboardChart2 from 'components/Charts/keyboard2';
 
     export default {
-      components: { keyboardChart2 },
-      data() {
-        return {
-
-        }
-      }
+      components: { keyboardChart2 }
     };
 </script>
 
@@ -23,7 +18,7 @@
 .chart-container{
     position: relative;
     width: 100%;
-    height: 100%;
+    height: 90%;
 }
 </style>