From c48d0150aa9f6b297671f28adb6b9dc95b529cfc Mon Sep 17 00:00:00 2001
From: zhang <zc857179121@qq.com>
Date: 星期四, 05 六月 2025 16:59:39 +0800
Subject: [PATCH] 1

---
 src/main/java/com/zy/asrs/controller/MonitorController.java |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/zy/asrs/controller/MonitorController.java b/src/main/java/com/zy/asrs/controller/MonitorController.java
index a3b2ccc..881e6b8 100644
--- a/src/main/java/com/zy/asrs/controller/MonitorController.java
+++ b/src/main/java/com/zy/asrs/controller/MonitorController.java
@@ -104,6 +104,9 @@
 
         // 鑾峰彇杈撻�佺嚎plc绾跨▼
         LedThread ledThread = (LedThread) SlaveConnection.get(SlaveType.Led, ledId);
+        if(ledThread == null){
+            return R.error();
+        }
         String ledContent = ledThread.getWorkNos().toString();
 //        ledContent = "ask鐨勬ā鍧楄惃婊″ぇ绠椾簡钀ㄦ弧澶т簡\n 鏄獦澧冨埌鍩冨強鍡插鍡瞈n 钀ㄨ揪濮嗘墦寮�钀ㄦ弧澶у嚡鎾掗害褰撳姵钀ㄦ弧澶ц�佸笀";
 

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