diff --git a/diagram/nand_gate.drawio b/diagram/nand_gate.drawio
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+<mxfile host="Electron" modified="2022-05-18T02:31:11.480Z" agent="5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/16.5.1 Chrome/96.0.4664.110 Electron/16.0.7 Safari/537.36" etag="_xShSl5IeXEgKZMNUm_M" version="16.5.1" type="device"><diagram id="k4YY2W4VOJ1SSicnH8f-" name="第 1 页">7ZZNj5swEIZ/DcddYT6yybFNNs2l0q4i9ePowixYBYyMWaC/vqa2AQci2C1RL80hsl/G4/Ezr0ksd5/WnxjO4880hMRy7LC23IPlOJ6HxHcrNEpAthQiRkIpoV44k1+gRB1WkhAKI5BTmnCSm2JAswwCbmiYMVqZYS80MXfNcQQj4RzgZKx+JSGPpbp1Hnr9BCSK9c5os5NPUqyD1UmKGIe0Gkjuo+XuGaVcjtJ6D0nLTnOR645XnnaFMcj4kgUBPpT8dCyLn/svR/CD0zO277YyyytOSnVgVSxvNIGI0TJXYcA41FPc8Q8dbo/rQt1phUuApsBZI0J0oo1aohzibNW86nkjnTYestYiVj2Outw9BjFQJN5ABc1TEVCyENoktuV+rGLC4ZzjoH1aiYsgtJinYtMDEsOr9IaUrvdnjE5fpoWkNrcC5cyDElnEXYV5SLjI5QV+IXULdn1qKovvG35zJyBOue1WDN0FDLPwQ/suE7OMZmByM50INeHf2vG9r2bfB08O9XDSqIncD8LRm3AJZlEoLVkAcy4Zt2MA3J8ArjUGCebk1axtqgtqhydKRNV9t+3JbusEsni1Zvj2vEhzeYU4ZhHw0bo/DujO+H5TeKua4q8a/K8a55iNQ947O3eZx17WScEWN4OwvA0olpdr/hqLgUy4qks2/12y293vhh9vHdPMpL2Rh7q865hITPu/lzK8/4/uPv4G</diagram></mxfile>
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