fix(h5): improve hover

src/core/view/mixins/hover.js

@@ -14,16 +14,16 @@ export default {
       default: false
     },
     hoverStartTime: {
-      type: Number,
+      type: [Number, String],
       default: 50
     },
     hoverStayTime: {
-      type: Number,
+      type: [Number, String],
       default: 400
     }
   },
   methods: {
-    _hoverTouchStart (evt) {
+    _hoverTouchStart (evt) {
       // TODO detect scrolling
       if (evt._hoverPropagationStopped) {
         return