修复 【兑换码管理】编辑页面，打开加款对话框，再关闭加款对话框，金额会展示为“NaN”

src/components/knockGold/Dialog.jsx

@@ -132,7 +132,10 @@ export default ({ data, onChangeMoney }) => {
       <p className='dflexajce'>
         <Button
           onClick={() => {
-            onChangeMoney(false, Number(stateData.addNew))
+            onChangeMoney(
+              false,
+              stateData.addNew ? Number(stateData.addNew) : 0
+            )
           }}>
           取消
         </Button>