change sync to loading

src/components/input/input.vue

@@ -5,7 +5,7 @@
             <i class="ivu-icon" :class="['ivu-icon-ios-close-circle', prefixCls + '-icon', prefixCls + '-icon-clear' , prefixCls + '-icon-normal']" v-if="clearable && currentValue" @click="handleClear"></i>
             <i class="ivu-icon" :class="['ivu-icon-' + icon, prefixCls + '-icon', prefixCls + '-icon-normal']" v-else-if="icon" @click="handleIconClick"></i>
             <transition name="fade">
-                <i class="ivu-icon ivu-icon-ios-sync ivu-load-loop" :class="[prefixCls + '-icon', prefixCls + '-icon-validate']" v-if="!icon"></i>
+                <i class="ivu-icon ivu-icon-loading ivu-load-loop" :class="[prefixCls + '-icon', prefixCls + '-icon-validate']" v-if="!icon"></i>
             </transition>
             <input
                 :id="elementId"

src/components/message/index.js

@@ -17,7 +17,7 @@ const iconTypes = {
     'success': 'ios-checkmark-circle',
     'warning': 'ios-alert',
     'error': 'ios-close-circle',
-    'loading': 'ios-sync'
+    'loading': 'loading'
 };
 
 function getMessageInstance () {

src/styles/common/iconfont/_ionicons-font.less

@@ -28,4 +28,22 @@
 
 .ivu-icon {
     .ivu-icon();
+}
+
+.ivu-icon-loading{
+    position: relative;
+    &::before{
+        content: "\F1F6";
+    }
+    &::after{
+        content: "";
+        display: block;
+        width: 50%;
+        height: 50%;
+        background: #fff;
+        position: absolute;
+        top: 1px;
+        left: 50%;
+    }
+
 }