FFMpeg subtitles Korean language Garbled code，Unable to find supported fonts

[lishangjing-spec]

Description [Parsed_subtitles_0 @ 0x301b9a260] Using font provider fontconfig [Parsed_subtitles_0 @ 0x301b9a260] fontselect: (PingFangSC-Semibold, 400, 0) -> /System/Library/Fonts/LanguageSupport/PingFang.ttc, 8, PingFangSC-Semibold [Parsed_subtitles_0 @ 0x301b9a260] Glyph 0xC544 not found, selecting one more font for (PingFangSC-Semibold, 400, 0) [Parsed_subtitles_0 @ 0x301b9a260] fontselect: (PingFangSC-Semibold, 400, 0) -> /System/Library/Fonts/Core/LastResort.otf, 0, LastResort

When synthesizing Korean subtitles, the following error log appeared. Currently, I am introducing a Korean font separately in the app, and the package size has increased by 6.3MB. Is there any other solution? I am angry, why did I not match the corresponding Korean font in the system font

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Environment

• Platform: Android/Flutter/iOS/Linux/macOS/ReactNative/tvOS
• Architecture: arm-v7a, arm-v7a-neon, arm64-v8a, x86, x86_64, armv7, armv7s, arm64, arm64-mac-catalyst, arm64-simulator, arm64e, i386, x86-64, x86-64-mac-catalyst
• Version: v5.1/v5.1.LTS
• Source branch: main, development
• Xcode version: 13.4.1
• Cocoapods version: 1.10.3
• Android Studio version: 4.0
• Android NDK version: r25b
• flutter doctor:
• react-native info:

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[tanersener]

Glyph 0xC544 not found means provided font doesn't support that character. FYI