fix: 优化 navigator 组件鼠标显示效果

src/core/view/components/navigator/index.vue

 <template>
-  <uni-navigator
-    v-if="hoverClass && hoverClass !== 'none'"
-    :class="[hovering ? hoverClass : '']"
+  <uni-navigator
+    v-if="hoverClass && hoverClass !== 'none'"
+    :class="[hovering ? hoverClass : '']"
     @touchstart="_hoverTouchStart"
-    @touchend="_hoverTouchEnd"
-    @touchcancel="_hoverTouchCancel"
-    @click="_onClick"
+    @touchend="_hoverTouchEnd"
+    @touchcancel="_hoverTouchCancel"
+    @click="_onClick"
     v-on="$listeners">
     <slot />
   </uni-navigator>
-  <uni-navigator
-    v-else
-    @click="_onClick"
+  <uni-navigator
+    v-else
+    @click="_onClick"
     v-on="$listeners">
     <slot />
   </uni-navigator>
@@ -97,18 +97,19 @@ export default {
 }
 </script>
 <style>
-  .navigator-hover {
-    background-color: rgba(0, 0, 0, 0.1);
-    opacity: 0.7;
-  }
-
   uni-navigator {
     height: auto;
     width: auto;
     display: block;
+    cursor: pointer;
   }
 
   uni-navigator[hidden] {
     display: none;
   }
-</style>
+
+  .navigator-hover {
+    background-color: rgba(0, 0, 0, 0.1);
+    opacity: 0.7;
+  }
+</style>