From 46ebf3e9ce29ccdd12a6c566280fc88212da2422 Mon Sep 17 00:00:00 2001
From: ZengTao <2773468879@qq.com>
Date: 星期二, 27 五月 2025 16:53:22 +0800
Subject: [PATCH] 大屏柱状图修改为可切换显示数量或面积

---
 hangzhoumesParent/moduleService/CacheGlassModule/src/main/java/com/mes/common/S7object.java |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/hangzhoumesParent/moduleService/CacheGlassModule/src/main/java/com/mes/common/S7object.java b/hangzhoumesParent/moduleService/CacheGlassModule/src/main/java/com/mes/common/S7object.java
index 6beacbb..f63bc63 100644
--- a/hangzhoumesParent/moduleService/CacheGlassModule/src/main/java/com/mes/common/S7object.java
+++ b/hangzhoumesParent/moduleService/CacheGlassModule/src/main/java/com/mes/common/S7object.java
@@ -52,9 +52,10 @@
                 e.printStackTrace();
             }
 
-`byte[] getplcvlues = plccontrol.readByte(PlcMesObject.getPlcAddressBegin(), PlcMesObject.getPlcAddressLength());
-            PlcMesObject.setPlcParameterList(getplcvlues);
-
+            byte[] getplcvlues = plccontrol.readByte(PlcMesObject.getPlcAddressBegin(), PlcMesObject.getPlcAddressLength());
+            if (getplcvlues != null) {
+                PlcMesObject.setPlcParameterList(getplcvlues);
+            }
         }
     }
 }

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