加catch

src/views/excel/index.vue

@@ -92,7 +92,9 @@ function handleExport(type) {
           window.open(uploadImgUrl.value + "/" + item, "_blank");
         });
         loading.value = false;
-      });
+      }).catch(err => {
+        loading.value = false;
+      })
     }
   });
 }