From 64db60d75e4ed4624c1bebd7e2cee7c966adb8cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9B=A8=E9=9C=96=E9=93=83?= <rsgltzyd@hotmail.com>
Date: Sat, 6 Jun 2026 19:36:41 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E9=9D=9E=E5=BF=85=E5=A1=AB=E5=AD=97?=
 =?UTF-8?q?=E6=AE=B5=E9=A2=84=E8=A7=88=E6=98=BE=E7=A4=BA=20null?=
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- 预览示例数据中，非必填字段显示 null 值
- 保持与实际生成逻辑一致
---
 src/pages/TestDataGenerator/components/DataPreview.tsx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/pages/TestDataGenerator/components/DataPreview.tsx b/src/pages/TestDataGenerator/components/DataPreview.tsx
index 3359c32..abfca39 100644
--- a/src/pages/TestDataGenerator/components/DataPreview.tsx
+++ b/src/pages/TestDataGenerator/components/DataPreview.tsx
@@ -64,6 +64,11 @@ export default function DataPreview({ fields }: DataPreviewProps) {
 
     const record: Record<string, unknown> = {};
     for (const field of fields) {
+      // 非必填字段预览显示 null
+      if (!field.required) {
+        record[field.name] = null;
+        continue;
+      }
       const generator = getGeneratorById(field.generatorId);
       if (generator) {
         record[field.name] = generator.generate(field.params);