EasyLocalization fallbackLocale Error

[hexiaofeng1977]

Flutter windows 3.24.4

easy_localization: ^3.0.7 【https://pub.dev/packages/easy_localization】
GalaxyTable A7 SM-T500 Android 12。
Android OS language is Chinese.

Config：

Code：

below print language message.

Run result：

Language is English. It is bad, Chinese is correct. App show English text。

Remove fallbackLocale code。

Code：

Run again：

Language is Chinese， It is correct。App show Chinese text。

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conclusion：

if remove 【fallbackLocale code】。 It works fine。 But how to fix it？