Element: [Bug Report] Select component cannot display arrow icon when using remote search

[2yllll]

Element UI version

2.6.1

OS/Browsers version

win10 chrome

Vue version

2.6.8

Reproduction Link

https://jsfiddle.net/gjv7560m/

Steps to reproduce

官网代码

What is Expected?

显示箭头icon

What is actually happening?

无法显示箭头icon，el-select__caret icon部分只有 el-icon- 你們代码bug

[element-bot]

Translation of this issue:

Element UI version

2.6.1

OS/Browsers version

Win10 Chrome

Vue version

2.6.8

Reproduction Link

https://jsfiddle.net/gjv7560m/

Steps to reproduce

Official website code

What is Expected?

Display Arrow Icon

What is actually happening?

The arrow icon cannot be displayed. The el-select__caret icon part is only el-icon-your code bug

[luckyCao]

Issues without a valid reproduction link will be closed directly.

[2yllll]

@luckyCao

When using remote and filterable, the suffix icon is empty. This is your code