[F] Fix artemis conversion

src/main/java/icu/samnyan/aqua/net/games/mai2/Mai2Import.kt

@@ -1,6 +1,7 @@
 package icu.samnyan.aqua.net.games.mai2
 
 import ext.API
+import ext.vars
 import icu.samnyan.aqua.api.model.resp.sega.maimai2.external.Maimai2DataExport
 import icu.samnyan.aqua.net.games.ImportClass
 import icu.samnyan.aqua.net.games.ImportController
@@ -10,7 +11,7 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @API("api/v2/game/mai2")
 class Mai2Import : ImportController<Maimai2DataExport>(
-    exportFields = Maimai2DataExport::class.java.declaredFields.associateBy {
+    exportFields = Maimai2DataExport::class.vars().associateBy {
         it.name.replace("List", "").lowercase()
     },
     renameTable = mapOf(