优化选择逻辑

src/renderer/views/Download.vue

@@ -53,7 +53,7 @@ export default {
         isShiftDown: false,
         isModDown: false,
       },
-      lastSelectIndex: -1,
+      lastSelectIndex: 0,
       listMenu: {
         isShowItemMenu: false,
         itemMenuControl: {
@@ -257,6 +257,7 @@ export default {
           this.lastSelectIndex = clickIndex
         }
       } else if (this.keyEvent.isModDown) {
+        this.lastSelectIndex = clickIndex
         let item = this.showList[clickIndex]
         let index = this.selectdData.indexOf(item)
         if (index < 0) {

src/renderer/views/List.vue

@@ -94,7 +94,7 @@ export default {
         isShiftDown: false,
         isModDown: false,
       },
-      lastSelectIndex: -1,
+      lastSelectIndex: 0,
       listsData: {
         isShowItemMenu: false,
         itemMenuControl: {
@@ -430,6 +430,7 @@ export default {
           this.lastSelectIndex = clickIndex
         }
       } else if (this.keyEvent.isModDown) {
+        this.lastSelectIndex = clickIndex
         let item = this.list[clickIndex]
         let index = this.selectdListDetailData.indexOf(item)
         if (index < 0) {

src/renderer/views/Search.vue

@@ -83,7 +83,7 @@ export default {
         isShiftDown: false,
         isModDown: false,
       },
-      lastSelectIndex: -1,
+      lastSelectIndex: 0,
       listMenu: {
         isShowItemMenu: false,
         itemMenuControl: {
@@ -303,6 +303,7 @@ export default {
           this.lastSelectIndex = clickIndex
         }
       } else if (this.keyEvent.isModDown) {
+        this.lastSelectIndex = clickIndex
         let item = this.listInfo.list[clickIndex]
         let index = this.selectedData.indexOf(item)
         if (index < 0) {