Vanilla load no page with DevelopMode=True

I had try $Configuration['Garden']['Locales']['DeveloperMode'] = False; in config.php
But it auto change to TRUE and web load with white page..
I also remove Locale Developer.
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I had try $Configuration['Garden']['Locales']['DeveloperMode'] = False; in config.php
But it auto change to TRUE and web load with white page..
I also remove Locale Developer.