diff --git a/frontend/src/modules/custMgt/components/InsertChrgModal.vue b/frontend/src/modules/custMgt/components/InsertChrgModal.vue
index 4797742..430a428 100644
--- a/frontend/src/modules/custMgt/components/InsertChrgModal.vue
+++ b/frontend/src/modules/custMgt/components/InsertChrgModal.vue
@@ -241,6 +241,7 @@ export default {
       if (data.joinDiv=='02') {
         this.joinDiv=2;
       }
+      this.setPeriodDay(0);
     },
 
     search: function (isKeep) {