修复查看下载问题

@@ -121,7 +121,7 @@ const tableInfo = ref({
           if (action == 'read') {
           if (action == 'read') {
             let index = arrBtns.findIndex(a => a.value == 'download');
             let index = arrBtns.findIndex(a => a.value == 'download');
             if (index > -1) {
             if (index > -1) {
-              arrBtns[index] = { label: '查看', value: 'readAndDown', click: btnHanldesMap[action] };
+              arrBtns[index] = { label: '查看', value: 'readAndDown', click: btnHanldesMap['readAndDown'] };
               continue;
               continue;
             }
             }
           }
           }