fix: Controls the initial font size of all components.

src/alert/style/index.less

@@ -7,6 +7,7 @@
   border: 1px solid transparent;
   border-radius: @alert-border-raduis;
   padding: @alert-padding @alert-padding + 5;
+  font-size: 12px;
   .w-alert-message + .w-alert-close-icon{
     font-size: 12px;
   }

src/breadcrumb/style/index.less

@@ -3,6 +3,7 @@
 
 .w-breadcrumb{
   color: #595959;
+  font-size: 12px;
   .w-breadcrumb-item:last-child{
     color: #c0c0c0;
     .w-breadcrumb-item-separator{

src/checkbox/style/index.less

@@ -73,6 +73,7 @@
       padding-left: @checkbox-label-padding-left;
       padding-right: @checkbox-label-padding-right;
       user-select:none;
+      font-size: 12px;
     }
     &.disabled{
       background-color: @gray-lighter;

src/icon/style/index.less

@@ -1,12 +1,14 @@
 @import "~uiw-iconfont/fonts/w-iconfont.css";
 
+
 .w-icon-spin:before{
   display: inline-block;
   animation: loading-circle 1s infinite linear;
 }
 
 [class^="w-icon-"]:before,{
   vertical-align: middle;
+  display: inline-block;
 }
 [class^="w-icon-"]:after, 
 [class*=" w-icon-"]:after,{

src/input/style/index.less

@@ -3,6 +3,7 @@
 
 .w-input{
   position: relative;
+  font-size: 12px;
 }
 .w-input-inner{
   // iOS 中使用appearance修改输入框样式

src/menu/style/index.less

@@ -8,13 +8,17 @@
   z-index: 1000;
   color: rgba(0,0,0,.65);
   background: #fff;
-  line-height: 46px;
+  line-height: 42px;
   background-color: #f9f9f9;
+  li{
+    list-style: none;
+  }
   i[class^='w-icon']{
     margin-right: 5px;
     transform: scale(0.9);
   }
   .w-menu-item{
+    line-height: 42px;
     margin: 0;
     padding: 0 20px;
     font-size: 14px;
@@ -76,6 +80,7 @@
     .w-sub-menu-title{
       padding: 0 20px;
       font-size: 14px;
+      line-height: 42px;
       cursor: pointer;
       &:hover{
         color: #0fa120; 

src/paging/style/index.less

@@ -5,6 +5,7 @@
   position: relative;
   display: inline-block;
   user-select: none;
+  font-size: 12px;
   li{
     display: inline-block;
     border:1px solid @paging-border-color;

src/radio/style/index.less

@@ -47,6 +47,7 @@
 
 .w-radio{
   white-space: nowrap;
+  font-size: 12px;
   cursor: pointer;
   & + .w-radio{
     margin-left: 5px;

src/select/style/index.less

@@ -5,6 +5,7 @@
   display: inline-block;
   position: relative;
   vertical-align: middle;
+  font-size: 12px;
   & + .w-select{
     margin-left: 5px;
   }
@@ -27,6 +28,7 @@
 
 .w-select-warp{
   min-height: 10px;
+  padding: 0;
   li{
     font-size: 12px;
     padding: 8px 10px;

src/slider/style/index.less

@@ -6,6 +6,7 @@
   background-color: #e4e8f1;
   border-radius: 3px;
   position: relative;
+  font-size: 12px;
   cursor: pointer;
   user-select: none;
   vertical-align: middle;

src/table/style/index.less

@@ -2,6 +2,7 @@
 @import "../../style/mixins/index.less";
 
 .w-table{
+  font-size: 12px;
   table{
     border-collapse: separate;
     border-spacing: 0;

src/tabs/style/index.less

@@ -4,7 +4,7 @@
   overflow: hidden;
   position: relative;
   font-size: 14px;
-  .w-tabs-content{
+  &-content{
     position: relative;
     .w-tabs-pane{
       position: absolute;

src/tag/Tag.js

@@ -32,7 +32,7 @@ export default class Tag extends Component {
     return /^(white|pink|red|yellow|orange|cyan|green|blue|purple)?$/.test(color)
   }
   render() {
-    const { prefixCls, color, onClose, className, checked, children, ...others } = this.props;
+    const { prefixCls, color, onClose, className, checked, children, data, ...others } = this.props;
     const { visible } = this.state;
     let colors = '';
     switch (color) {
@@ -59,7 +59,7 @@ export default class Tag extends Component {
     return visible ? (
       <span {...others} style={styles} className={cls}>
         {children}
-        {(onClose && checked !== true && checked !== false) && <i onClick={this.close} ref="iconclose"><Icon type="close" /></i>}
+        {(onClose && checked !== true && checked !== false) && <Icon type="close" onClick={this.close} ref="iconclose" />}
       </span>
     ) : null;
   }

src/tag/style/index.less

@@ -21,6 +21,10 @@
     top: -1px;
     margin-left: 2px;
   }
+  .w-icon-close{
+    margin: -4px 0 0 0px;
+    transform: scale(.83333333) rotate(0deg);
+  }
 }
 
 .@{tag-cls}-white{

src/tooltip/style/index.less

@@ -21,6 +21,7 @@
     z-index: 1987;
   }
   .w-tooltip-inner{
+    font-size: 12px;
     max-width: 250px;
     padding: 5px 10px;
     display: block;