Add computed result

src/components/OXTable.vue

 <template>
   <div>
     <div v-if="finish">
-      <span v-if="winner !== '-'">{{ winner }} Win!!! </span>
-      <span v-else>Draw!!! </span>
+      <!-- <span v-if="winner !== '-'">{{ winner }} Win!!! </span>
+      <span v-else>Draw!!! </span> -->
+      <span>{{ result }}</span>
       <button @click="newGame">New Game</button>
     </div>
     <div v-else>{{ turn }} Turn..</div>
@@ -36,6 +37,15 @@ export default {
       ]
     }
   },
+  computed: {
+    result () {
+      if (this.finish && this.winner === '-') {
+        return 'Draw!!! '
+      } else {
+        return this.turn + ' Win!!! '
+      }
+    }
+  },
   methods: {
     newGame () {
       this.count = 0