update:修改格式

module/Air8000/demo/accessory_board/AIRSPINAND_1000/readme.md

@@ -22,7 +22,7 @@
 
 ![](https://docs.openluat.com/accessory/AirSPINORFLASH_1000/image/spi1.jpg)
 
-![](https://docs.openluat.com/accessory/AirSPINAND_1000/image/nand.jpg)
+![](https://docs.openluat.com/accessory/AIRSPINAND_1000/image/nand.jpg)
 
 1. 合宙 Air8000 核心板一块