From 9b7f25ef6daf74813d8c855394ecc47d134e13ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B?= <1063331231@qq.com>
Date: Wed, 11 Jun 2025 16:22:50 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=BE=E5=85=A5=E6=89=98=E7=9B=98=E5=AE=9E?=
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---
 src/main/java/com/iflytop/sgs/app/service/api/TrayService.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/iflytop/sgs/app/service/api/TrayService.java b/src/main/java/com/iflytop/sgs/app/service/api/TrayService.java
index c52074f..41bfdd7 100644
--- a/src/main/java/com/iflytop/sgs/app/service/api/TrayService.java
+++ b/src/main/java/com/iflytop/sgs/app/service/api/TrayService.java
@@ -6,6 +6,8 @@ import com.iflytop.sgs.app.model.vo.SetTrayTubeVO;
 import com.iflytop.sgs.app.service.device.DeviceSensorService;
 import com.iflytop.sgs.app.service.device.DeviceStateService;
 import com.iflytop.sgs.common.enums.DeviceSensorCode;
+import com.iflytop.sgs.common.exception.AppException;
+import com.iflytop.sgs.common.result.ResultCode;
 import com.iflytop.sgs.hardware.exception.HardwareException;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.ObjectProvider;
@@ -43,8 +45,9 @@ public class TrayService {
             deviceStateService.getDeviceState().getTrays().add(trayState);
             deviceStateService.getDeviceState().getSolutionModule().setFeedAreaTrayStatus(true);
             return trayState;
+        } else {
+            throw new AppException(ResultCode.FEED_AREA_EXIST_TRAY);
         }
-        return null;
     }
 
     /**