From aa43d14316ddd935f6eea2cd37d511ebe53a7024 Mon Sep 17 00:00:00 2001
From: Jerry Yan <792602257@qq.com>
Date: Sat, 29 Nov 2025 12:07:27 +0800
Subject: [PATCH] =?UTF-8?q?fix(printer):=20=E5=A4=84=E7=90=86=E7=A9=BA?=
 =?UTF-8?q?=E4=BA=BA=E8=84=B8=E6=A0=B7=E6=9C=AC=E5=AF=BC=E8=87=B4=E7=9A=84?=
 =?UTF-8?q?=E5=BC=82=E5=B8=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 添加空人脸样本检查，避免空指针异常
- 当人脸样本不存在时，设置响应状态为404
- 提前返回，防止后续逻辑执行
---
 .../ycwl/basic/controller/printer/PrinterTvController.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/com/ycwl/basic/controller/printer/PrinterTvController.java b/src/main/java/com/ycwl/basic/controller/printer/PrinterTvController.java
index 7124ace8..1478d465 100644
--- a/src/main/java/com/ycwl/basic/controller/printer/PrinterTvController.java
+++ b/src/main/java/com/ycwl/basic/controller/printer/PrinterTvController.java
@@ -72,6 +72,10 @@ public class PrinterTvController {
         File qrcode = new File("qrcode_"+sampleId+".jpg");
         try {
             FaceSampleEntity faceSample = faceRepository.getFaceSample(sampleId);
+            if (faceSample == null) {
+                response.setStatus(404);
+                return;
+            }
             MpConfigEntity scenicMpConfig = scenicRepository.getScenicMpConfig(faceSample.getScenicId());
             WxMpUtil.generateUnlimitedWXAQRCode(scenicMpConfig.getAppId(), scenicMpConfig.getAppSecret(), "pages/printer/from_sample", sampleId.toString(), qrcode);