diff --git a/src/bundle/wallet/bill.vue b/src/bundle/wallet/bill.vue
index 7242092..2fe8152 100644
--- a/src/bundle/wallet/bill.vue
+++ b/src/bundle/wallet/bill.vue
@@ -71,7 +71,7 @@
         change_type: 0,
         create_time: '',
         source_sn: '',
-        change_object: '',
+        change_object: 0,
         store: {
             name: ''
         }