fix: 优化 select title

components/pagination/__tests__/__snapshots__/demo.test.js.snap

@@ -164,7 +164,7 @@ exports[`renders ./components/pagination/demo/custom-changer.md correctly 1`] =
     <div class="ant-select ant-select-enabled ant-select ant-select-enabled ant-pagination-options-size-changer">
       <div role="combobox" aria-autocomplete="list" aria-haspopup="true" aria-expanded="false" tabindex="0" class="ant-select-selection ant-select-selection--single">
         <div class="ant-select-selection__rendered">
-          <div title="[object Object],[object Object],[object Object]" class="ant-select-selection-selected-value" style="display: block; opacity: 1;"><span>10条/页</span>
+          <div title="" class="ant-select-selection-selected-value" style="display: block; opacity: 1;"><span>10条/页</span>
             <!---->
           </div>
         </div><span unselectable="unselectable" class="ant-select-arrow"><b></b></span></div>

components/vc-select/Select.jsx

@@ -201,6 +201,7 @@ export default {
         let { label, title } = val
         label = label === undefined ? this.labelMap.get(key) : label
         title = title === undefined ? this.titleMap.get(key) : title
+        title = typeof title === 'string' ? title.trim() : title
         labelArr.push([key, label === undefined ? key : label])
         titleArr.push([key, title])
       })
@@ -1273,17 +1274,21 @@ export default {
           }
           const singleValue = sValue[0]
           const key = singleValue.key
+          let title = this.titleMap.get(key) || this.labelMap.get(key)
+          if (Array.isArray(title)) {
+            title = ''
+          }
           selectedValue = (
             <div
               key='value'
               class={`${prefixCls}-selection-selected-value`}
-              title={this.titleMap.get(key) || this.labelMap.get(key)}
+              title={title}
               style={{
                 display: showSelectedValue ? 'block' : 'none',
                 opacity,
               }}
             >
-              {this.labelMap.get(sValue[0].key)}
+              {this.labelMap.get(key)}
             </div>
           )
         }