修复detail撤回存储数据过大问题

src/component/Detail/model/modelPosition.vue

@@ -36,6 +36,7 @@ import { Https } from "@/tool/https";
 import { useStore } from "vuex";
 import { useI18n } from 'vue-i18n'
 import { getMousePosition } from "@/tool/mdEvent";
+import { KeyValueDB } from "@/tool/indexedDB";
 import Vue3Moveable from 'vue3-moveable';
 import Moveable from 'moveable';
 import { parse } from 'vue/compiler-sfc';
@@ -393,11 +394,11 @@ export default defineComponent({
 			initMoveableForSelected()
 		},{immediate: true,})
 
-		const setRevocation = ()=>{
+		const setRevocation = async ()=>{
 			let frontBack = JSON.parse(JSON.stringify(detailData.frontBack))	
-			let revocation:any = JSON.parse((sessionStorage.getItem("revocation") as any))
+			let revocation:any = JSON.parse((await KeyValueDB.get("revocation") as any) || '[]')
 			revocation.push({designData:null,position:frontBack})
-			sessionStorage.setItem('revocation', JSON.stringify(revocation));
+			KeyValueDB.set('revocation', JSON.stringify(revocation));
 		}
 		const upDataDetail = async ()=>{
 			//同步到selectDetail数据中，