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问题:已经生成的bin文件并且去年出了一批货了，今年再次使用。能够在芯片丝印第二排是TI 72J,78l,89l下载并运行，
但是在丝印为TI 94j的芯片上无法运行。用官方demo能下载进去但不运行。
芯片，是从淘宝上买的模组，型号叫做MLT-BT05,手机摄像头不行，微距拍不了
