修改对图片比例缩小后使用的图片大小

src/component/Detail/editFrontBack.vue

@@ -95,6 +95,7 @@ export default defineComponent({
 			imgData.value = data
 			nextTick(()=>{
 				let canvasBox = document.querySelector(".editFrontBack_center .exportCanvasBox_center");
+				let editFrontBack_bgImg = document.querySelector(".editFrontBack_center .editFrontBack_bgImg");
 				document.addEventListener("keydown", canvasKeyDown);
 				document.addEventListener("keyup", canvasKeyUp);
 				document.removeEventListener('mousemove', mouseMove);
@@ -105,6 +106,7 @@ export default defineComponent({
 					let height = canvasBox.offsetHeight;
 					canvasWH.value = height
 					canvasBox.style.width = height+'px'
+					
 					let wScale = 1
 					let hScale = 1
 					let styleWidth = Number(data.style.width.split('px')[0])
@@ -116,6 +118,8 @@ export default defineComponent({
 						wScale = styleWidth/styleHeight
 						exportWH = img.height
 					}
+					editFrontBack_bgImg.style.width = canvasWH.value * wScale+'px'
+					editFrontBack_bgImg.style.height = canvasWH.value * hScale+'px'
 					ratio = [wScale,hScale]
 					canvas = canvasGeneral.canvasInit(canvasBox,{
 						width:canvasWH.value * wScale,
@@ -337,8 +341,10 @@ export default defineComponent({
 			}else{
 				return
 			}
-			canvas.loadFromJSON(canvasState.value, () => {});
-			createSetTimeSubmit()
+			canvas.loadFromJSON(canvasState.value, () => {
+				createSetTimeSubmit()
+			});
+			
 		}
 		let setSubmit = ()=>{
 			var allObjects = canvas.getObjects('path');
@@ -577,7 +583,6 @@ export default defineComponent({
 			img{
 				height: 100%;
 				width: 100%;
-				object-fit: contain;
 			}
 		}