fix(price,switch): vue warn

src/packages/__VUE/price/index.taro.vue

@@ -44,7 +44,7 @@ export default create({
       default: '¥'
     },
     decimalDigits: {
-      type: Number,
+      type: [Number, String],
       default: 2
     },
     thousands: {

src/packages/__VUE/price/index.vue

@@ -42,7 +42,7 @@ export default create({
       default: '¥'
     },
     decimalDigits: {
-      type: Number,
+      type: [Number, String],
       default: 2
     },
     thousands: {

src/packages/__VUE/switch/demo.vue

@@ -32,12 +32,12 @@
 
     <h2>自定义颜色</h2>
     <nut-cell>
-      <nut-switch v-model="checked" @change="switchChange" active-color="blue" />
+      <nut-switch v-model="checked" @change="change" active-color="blue" />
     </nut-cell>
 
     <h2>支持文字</h2>
     <nut-cell>
-      <nut-switch v-model="checked" @change="switchChange" active-text="开" inactive-text="关" />
+      <nut-switch v-model="checked" @change="change" active-text="开" inactive-text="关" />
     </nut-cell>
   </div>
 </template>