Merge branch 'dev'

@@ -211,7 +211,7 @@
           //删除最后一张图片时 val=null
           this.tableData.forEach((item) => {
             if (item.bsmSj == val.bsmSj) {
-              item.count = val.children.length
+              item.ys = val.children.length
             }
           });
           this.previewImg.imgList = _.cloneDeep(val.children);
@@ -223,7 +223,7 @@
           this.previewImg.imgList = [];
           this.tableData.forEach((item, index) => {
             if (this.treeCheckId == item.bsmSj) {
-              item.count = 0;
+              item.ys = 0;
               that.treeCheckIndex = index;
             }
           })