zhaoyang ao
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zhaoyang ao
打bebug包，表格显示出来了，打release包，表格显示一片灰色。 
help wanted
✓ Built build/app/outputs/flutter-apk/app-debug.apk. Installing build/app/outputs/flutter-apk/app.apk... I/flutter ( 6453): ══╡ EXCEPTION CAUGHT BY FLUTTER FRAMEWORK ╞══════════════════════ I/flutter ( 6453): [exception: Null check operator used on a null value] I/flutter ( 6453):...