From af4ee71435d9cb40c7155e7c6322d8023d4c2469 Mon Sep 17 00:00:00 2001
From: sige <sige@sige.com>
Date: Sat, 6 Jul 2024 16:33:10 +0800
Subject: [PATCH] 1

---
 src/main/java/com/iflytop/a800/device/Feeder.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/com/iflytop/a800/device/Feeder.java b/src/main/java/com/iflytop/a800/device/Feeder.java
index 95645eb..5183e05 100644
--- a/src/main/java/com/iflytop/a800/device/Feeder.java
+++ b/src/main/java/com/iflytop/a800/device/Feeder.java
@@ -23,6 +23,10 @@ public class Feeder {
         UfCommon.delay(300);
         String result = UfActuatorCmdExecutor.execute("TubeRackScanner", "code_scanner_read_scanner_result");
         UfActuatorCmdExecutor.execute("TubeRackScanner", "code_scanner_stop_scan");
+        if ("".equals(result)) {
+            throw new RuntimeException("试管类型条码扫描失败");
+        }
+
         var codeBytes = Base64.getDecoder().decode(result);
         var code = new String(codeBytes);
         switch ( code.trim() ) {