diff --git a/src/views/system/Sdb/SdbBill/add.vue b/src/views/system/Sdb/SdbBill/add.vue
index 1016ef1..57a3297 100644
--- a/src/views/system/Sdb/SdbBill/add.vue
+++ b/src/views/system/Sdb/SdbBill/add.vue
@@ -240,8 +240,8 @@ function handleDate(val: string[]) {
     form.value.startDate = val[0] + ' 00:00:00';
     form.value.endDate = val[1] + ' 23:59:59';
     if (form.value.chargePeriod === '0' && form.value.periodCalcType === '0') {
-      form.value.startDate = val[0] + '-01-01 00:00:00';
-      form.value.endDate = val[1] + '-12-31 23:59:59';
+      form.value.startDate = val[0] + ' 00:00:00';
+      form.value.endDate = val[1] + ' 23:59:59';
     }
   }
 }