mlkit downloadFileGroup , Failed to download file group french

[sameul-yuan]

In my andriod mobile phone, when the system language is setting to english or french, the following mlkit api

EntityExtractor extractor = EntityExtraction.getClient(new EntityExtractorOptions.Builder('en').build()); 
EntityExtractor extractor = EntityExtraction.getClient(new EntityExtractorOptions.Builder('fr').build())

will work properly.

However when the system language is setting to 'arabic',

EntityExtractor extractor = EntityExtraction.getClient(new EntityExtractorOptions.Builder('fr').build())

fails as the following shows:

MDD   :FileGroupManager downloadFileGroup french <pacakge>  can't finish!
download: failed with exception: java.util.concurrent.ExecutionException: d.c.a.b.f.d.a8: Failed to download file group french

is there any one know how to fix it , thx very much!