Select: fix delete-tag

examples/docs/en-US/select.md

@@ -647,7 +647,7 @@ Create and select new items that are not included in select options
 |---------|---------|---------|
 | change | triggers when the selected value changes | current selected value |
 | visible-change | triggers when the dropdown appears/disappears | true when it appears, and false otherwise |
-| delete-tag | triggers when deletes tag in multiple mode | deleted tag value |
+| delete-tag | triggers when a tag is deleted in multiple mode | deleted tag value |
 
 ### Option Group Attributes
 | Attribute      | Description          | Type      | Accepted Values       | Default  |

packages/select/src/select.vue

@@ -599,8 +599,8 @@
       deleteTag(event, tag) {
         let index = this.selected.indexOf(tag);
         if (index > -1 && !this.disabled) {
-          let deletedTag = this.value.splice(index, 1)[0];
-          this.$emit('delete-tag', deletedTag);
+          this.value.splice(index, 1);
+          this.$emit('delete-tag', tag);
         }
         event.stopPropagation();
       },