diff --git a/Web/src/views/system/serial/component/editSerial.vue b/Web/src/views/system/serial/component/editSerial.vue
index dccf6f39..1e08f7cc 100644
--- a/Web/src/views/system/serial/component/editSerial.vue
+++ b/Web/src/views/system/serial/component/editSerial.vue
@@ -125,6 +125,7 @@ onMounted(async () => {
 const openDialog = async (row: any, typeData: any[]) => {
 	state.ruleForm = JSON.parse(JSON.stringify(row));
 	state.ruleForm.formater ??= '';
+	state.previewSeqNo = '';
 	state.typeData = typeData;
 	state.showDialog = true;
 	ruleFormRef.value?.resetFields();