我们申请了官方OCR接口，在体验版里当使用量达到80%时候，向用户推送了使用量提醒
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- OCR Support: Mini Program/Development/Extended/Plug-in services/OCR Support
- OCR 支持: 小程序/开发/拓展能力/插件服务/OCR 支持
- Request permission: Mini Program/Development/Extended/Plug-in services/OCR Support
- Invocation limitation: Mini Program/Development/Extended/Plug-in services/OCR Support
- Calling mode: Mini Program/Development/Extended/Plug-in services/OCR Support