add capture prop

src/components/dropdown/dropdown.vue

@@ -1,7 +1,7 @@
 <template>
     <div
         :class="[prefixCls]"
-        v-click-outside="onClickoutside"
+        v-click-outside:[capture]="onClickoutside"
         @mouseenter="handleMouseenter"
         @mouseleave="handleMouseleave">
         <div :class="relClasses" ref="reference" @click="handleClick" @contextmenu.prevent="handleRightClick"><slot></slot></div>
@@ -21,7 +21,7 @@
 </template>
 <script>
     import Drop from '../select/dropdown.vue';
-    import {directive as clickOutside} from 'v-click-outside-x';
+    import {directive as clickOutside} from '../../directives/v-click-outside-x';
     import TransferDom from '../../directives/transfer-dom';
     import { oneOf, findComponentUpward } from '../../utils/assist';
 
@@ -61,6 +61,13 @@
                 type: Boolean,
                 default: false
             },
+            // 4.0.0
+            capture: {
+                type: Boolean,
+                default () {
+                    return !this.$IVIEW ? true : this.$IVIEW.capture;
+                }
+            }
         },
         computed: {
             transition () {