fixed #1797

examples/routers/switch.vue

@@ -1,18 +1,18 @@
 <template>
     <div>
-        <i-switch v-model="m1" :true-value="1" :false-value="0">
+        <i-switch v-model="m1" true-value="yes" false-value="no">
             <span slot="open">开</span>
             <span slot="close">关</span>
         </i-switch>
         {{ m1 }}
-        <div @click="m1 = 0">toggle</div>
+        <div @click="m1 = 'no'">toggle</div>
     </div>
 </template>
 <script>
     export default {
         data () {
             return {
-                m1: 1
+                m1: 'yes'
             }
         },
         methods: {