update Transfer icons

src/components/transfer/operation.vue

@@ -1,10 +1,10 @@
 <template>
     <div :class="prefixCls + '-operation'">
         <i-button type="primary" size="small" :disabled="!rightActive" @click.native="moveToLeft">
-            <Icon type="ios-arrow-left"></Icon> {{ operations[0] }}
+            <Icon type="ios-arrow-back"></Icon> <span>{{ operations[0] }}</span>
         </i-button>
         <i-button type="primary" size="small" :disabled="!leftActive" @click.native="moveToRight">
-            {{ operations[1] }} <Icon type="ios-arrow-right"></Icon>
+            <span>{{ operations[1] }}</span> <Icon type="ios-arrow-forward"></Icon>
         </i-button>
     </div>
 </template>

src/components/transfer/search.vue

@@ -34,7 +34,7 @@
         },
         computed: {
             icon () {
-                return this.query === '' ? 'ios-search' : 'ios-close';
+                return this.query === '' ? 'ios-search' : 'ios-close-circle';
             }
         },
         methods: {