@ -447,8 +447,8 @@ export default {
if (index === true || index === 0) {
newFiles = addFiles.concat(this.files)
} else if (index) {
newFiles = addFiles.concat([])
newFiles.splice(index, 0, addFiles)
newFiles = this.files.concat([])
newFiles.splice(index, 0, ...addFiles)
} else {
newFiles = this.files.concat(addFiles)
}