matek-f405-WING + 4.1.0 dev，VTX is DJI FPV，The osd is ok when disarm,but osd refresh rate is slow or frozen when Arm.
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matek-f405-WING + 4.1.0 dev，VTX is DJI FPV，The osd is ok when disarm,but osd refresh rate is slow or frozen when Arm.