fix(17804)：现在可以上次好几张问题

@@ -33,8 +33,6 @@ export struct FeedBackActivity {
   //添加图片
   addPic: PhotoListBean = {itemType:1} as PhotoListBean
   @State pics: PhotoListBean[] = [this.addPic] as PhotoListBean[]
-  // 选择媒体文件的最大数目
-  selectNum = 3;
 
   async aboutToAppear() {
     await this.getContentDetailData()
@@ -140,7 +138,6 @@ export struct FeedBackActivity {
                               if(await FastClickUtil.isMinDelayTime()){
                                 return
                               }
-
                               let temp: PhotoListBean[] = [] as PhotoListBean[]
                               temp.length = this.pics.length - 1;
                               let tempIndex = 0;
@@ -267,7 +264,8 @@ export struct FeedBackActivity {
       // 设置photoPicker的参数
       let PhotoSelectOptions = new picker.PhotoSelectOptions();
       PhotoSelectOptions.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE; // 过滤选择媒体文件类型
-      PhotoSelectOptions.maxSelectNumber = this.selectNum; // 选择媒体文件的最大数目
+      let max = 3-this.pics.length+1
+      PhotoSelectOptions.maxSelectNumber = max; // 选择媒体文件的最大数目
       let mediaFlag = false;
       let photoPicker = new picker.PhotoViewPicker(); // 使用图库选择器对象前，需要先创建PhotoViewPicker实例
       photoPicker.select(PhotoSelectOptions).then((PhotoSelectResult) => {
@@ -278,26 +276,35 @@ export struct FeedBackActivity {
           // 其中包含Array<string>类型的photoUris，为返回图库选择后的媒体文件的uri数组；还包含boolean类型的isOriginalPhoto，指示返回图库选择后的媒体文件是否为原图。
           // 声明变量array，其取值为PhotoSelectResult中的数组。
           array = PhotoSelectResult['photoUris'];
-          let beforeLen = this.pics.length;
-          let startIndex = this.pics.length-1;
+          let beforeLen = this.pics.length + array.length;
           let totalLen = this.pics.length+array.length;
           if(totalLen > 3){
             totalLen = 3
           }
-          this.pics.length = totalLen;
-
+          // this.pics.length = totalLen;
+          let tempPics =  [] as PhotoListBean[]
+          tempPics.length = totalLen;
+          let startIndex = 0;
+          this.pics.forEach((value) => {
+            if(value.itemType == 2){
+              value.id = startIndex
+              tempPics[startIndex] = value;
+              startIndex = startIndex+1;
+              mediaFlag = true;
+            }
+          })
           array.forEach((value) => {
             let pic: PhotoListBean = {itemType:2,picPath:value} as PhotoListBean
             pic.id = startIndex
-            this.pics[startIndex] = pic
+            tempPics[startIndex] = pic;
             startIndex = startIndex+1;
             mediaFlag = true;
-            Logger.info(TAG, `select image/video uri: ${value}`);
           })
-          if(this.pics.length<=3 && beforeLen != 3 && array.length != 3){
+          if(startIndex<3){
             this.addPic.id = startIndex
-            this.pics[this.pics.length-1]=this.addPic;
+            tempPics[startIndex]=this.addPic;
           }
+          this.pics = tempPics;
         }
         if (mediaFlag) {
           this.getFilenameByUriForMedia(array);