diff --git a/acs/nladmin-ui/src/views/screen/bigScreen.vue b/acs/nladmin-ui/src/views/screen/bigScreen.vue
index 46454de..626b249 100644
--- a/acs/nladmin-ui/src/views/screen/bigScreen.vue
+++ b/acs/nladmin-ui/src/views/screen/bigScreen.vue
@@ -138,7 +138,7 @@ export default {
         start_device_code: '',
         next_device_code: '',
         material_type: '',
-        quantity: 0,
+        quantity: '',
         vehicle_code: '',
         instruction_status: '',
         entry_time: '',