Can not build with release

[mny459]

When I run

flutter build apk --release

I got this

D:\mny\flutter\.pub-cache\hosted\pub.dartlang.org\emoji_picker-0.1.0\android\src\main\java\com\jeffg\emoji_picker\EmojiPickerPlugin.java:3: 错误: 找不到符号
import androidx.annotation.NonNull;
                          ^
  符号:   类 NonNull
  位置: 程序包 androidx.annotation