diff --git a/components/dropdown/src/Dropdown.vue b/components/dropdown/src/Dropdown.vue
index 4c3bddd86..61f99503b 100644
--- a/components/dropdown/src/Dropdown.vue
+++ b/components/dropdown/src/Dropdown.vue
@@ -89,7 +89,7 @@ export default {
         const overlayNode = this.getPopupDomNode()
         const rootNode = this.$el
         if (rootNode && overlayNode && rootNode.offsetWidth > overlayNode.offsetWidth) {
-          overlayNode.style.width = `${rootNode.offsetWidth}px`
+          overlayNode.style.minWidth = `${rootNode.offsetWidth}px`
           if (this.$refs.trigger &&
             this.$refs.trigger._component &&
             this.$refs.trigger._component.alignInstance) {
diff --git a/components/modal/demo/index.vue b/components/modal/demo/index.vue
index 5dafd70f2..a7895bdaa 100644
--- a/components/modal/demo/index.vue
+++ b/components/modal/demo/index.vue
@@ -35,7 +35,7 @@ export default {
   title: 'Modal',
   render () {
     return (
-      <div>
+      <div id='components-modal-demo'>
         <md cn={md.cn} us={md.us}/>
         <Async/>
         <Basic/>
@@ -57,7 +57,7 @@ export default {
 </script>
 
 <style>
-.code-box-demo .ant-btn {
+#components-modal-demo .ant-btn {
   margin-right: 8px;
 }
 </style>
diff --git a/components/time-picker/demo/index.vue b/components/time-picker/demo/index.vue
index 3165dbc92..9298d36e9 100644
--- a/components/time-picker/demo/index.vue
+++ b/components/time-picker/demo/index.vue
@@ -28,7 +28,7 @@ export default {
   title: 'TimePicker',
   render () {
     return (
-      <div>
+      <div id='components-timepicker-demo'>
         <md cn={md.cn} us={md.us}/>
         <Hours/>
         <Addon/>
@@ -48,5 +48,5 @@ export default {
 }
 </script>
 <style>
-.code-box-demo .ant-time-picker { margin: 0 8px 12px 0; }
+#components-timepicker-demo .ant-time-picker { margin: 0 8px 12px 0; }
 </style>
diff --git a/components/vc-pagination/Pagination.vue b/components/vc-pagination/Pagination.vue
index 9e37ec597..5e4d6a031 100644
--- a/components/vc-pagination/Pagination.vue
+++ b/components/vc-pagination/Pagination.vue
@@ -276,14 +276,16 @@ export default {
           </li>
         )
       }
+      const hasPrev = this.hasPrev()
+      const hasNext = this.hasNext()
       return (
         <ul class={`${prefixCls} ${prefixCls}-simple`}>
           <li
             title={this.showTitle ? locale.prev_page : null}
             onClick={this.prev}
-            tabIndex='0'
+            tabIndex={hasPrev ? 0 : null}
             onKeypress={this.runIfEnterPrev}
-            class={`${this.hasPrev() ? '' : `${prefixCls}-disabled`} ${prefixCls}-prev`}
+            class={`${hasPrev ? '' : `${prefixCls}-disabled`} ${prefixCls}-prev`}
             aria-disabled={!this.hasPrev()}
           >
             {this.itemRender(prevPage, 'prev', <a class={`${prefixCls}-item-link`} />)}
@@ -308,7 +310,7 @@ export default {
             onClick={this.next}
             tabIndex='0'
             onKeypress={this.runIfEnterNext}
-            class={`${this.hasNext() ? '' : `${prefixCls}-disabled`} ${prefixCls}-next`}
+            class={`${hasNext ? '' : `${prefixCls}-disabled`} ${prefixCls}-next`}
             aria-disabled={!this.hasNext()}
           >
             {this.itemRender(nextPage, 'next', <a class={`${prefixCls}-item-link`} />)}
@@ -492,7 +494,7 @@ export default {
         <li
           title={this.showTitle ? locale.prev_page : null}
           onClick={this.prev}
-          tabIndex='0'
+          tabIndex={prevDisabled ? null : 0}
           onKeypress={this.runIfEnterPrev}
           class={`${!prevDisabled ? '' : `${prefixCls}-disabled`} ${prefixCls}-prev`}
           aria-disabled={prevDisabled}
@@ -503,7 +505,7 @@ export default {
         <li
           title={this.showTitle ? locale.next_page : null}
           onClick={this.next}
-          tabIndex='0'
+          tabIndex={nextDisabled ? null : 0}
           onKeypress={this.runIfEnterNext}
           class={`${!nextDisabled ? '' : `${prefixCls}-disabled`} ${prefixCls}-next`}
           aria-disabled={nextDisabled}
diff --git a/components/vc-select/Select.vue b/components/vc-select/Select.vue
index 681e1e060..91e2b3bf4 100644
--- a/components/vc-select/Select.vue
+++ b/components/vc-select/Select.vue
@@ -377,6 +377,7 @@ export default {
 
     onArrowClick (e) {
       e.stopPropagation()
+      e.preventDefault()
       if (!this.disabled) {
         this.setOpenState(!this.openStatus, !this.openStatus)
       }
diff --git a/contributors.md b/contributors.md
index 6bd416c36..bd37f3959 100644
--- a/contributors.md
+++ b/contributors.md
@@ -26,7 +26,7 @@ Modal | done
 Alert | done
 Calendar
 DatePicker
-TimePicker
+TimePicker | done
 Upload
 Form
 Carousel