fix(nova): null value processing

src/utils/adapter/nova.js

@@ -77,7 +77,7 @@ export function parseCachePower ({ switchStatus, typeArray = '[]' }) {
         connectIndex: 0,
         portIndex: 0,
         powerIndex: index,
-        type: typeArray[index],
+        type: typeArray?.[index] || '未知',
         action: Number(val)
       }
     })