iOS click-outside fix

src/components/cascader/cascader.vue

@@ -1,5 +1,5 @@
 <template>
-    <div :class="classes" v-click-outside="handleClose">
+    <div :class="classes" v-click-outside="handleClose" v-click-outside:touchstart="handleClose">
         <div :class="[prefixCls + '-rel']" @click="toggleOpen" ref="reference">
             <input type="hidden" :name="name" :value="currentValue">
             <slot>

src/components/color-picker/color-picker.vue

@@ -1,6 +1,7 @@
 <template>
     <div
         v-click-outside="handleClose"
+        v-click-outside:touchstart="handleClose"
         :class="classes">
         <div
             ref="reference"

src/components/date-picker/picker.vue

@@ -2,6 +2,7 @@
     <div
         :class="wrapperClasses"
         v-click-outside:mousedown.capture="handleClose"
+        v-click-outside:touchstart.capture="handleClose"
         v-click-outside.capture="handleClose"
     >
         <div ref="reference" :class="[prefixCls + '-rel']">

src/components/dropdown/dropdown.vue

@@ -2,6 +2,7 @@
     <div
         :class="[prefixCls]"
         v-click-outside="onClickoutside"
+        v-click-outside:touchstart="onClickoutside"
         @mouseenter="handleMouseenter"
         @mouseleave="handleMouseleave">
         <div :class="relClasses" ref="reference" @click="handleClick" @contextmenu.prevent="handleRightClick"><slot></slot></div>

src/components/poptip/poptip.vue

@@ -3,7 +3,8 @@
         :class="classes"
         @mouseenter="handleMouseenter"
         @mouseleave="handleMouseleave"
-        v-click-outside="handleClose">
+        v-click-outside="handleClose"
+        v-click-outside:touchstart="handleClose">
         <div
             :class="[prefixCls + '-rel']"
             ref="reference"

src/components/select/select.vue

@@ -3,6 +3,7 @@
         :class="classes"
         v-click-outside.capture="onClickOutside"
         v-click-outside:mousedown.capture="onClickOutside"
+        v-click-outside:touchstart.capture="onClickOutside"
     >
         <div
             ref="reference"