diff --git a/wcs/nladmin-system/src/main/java/org/nl/acs/device/service/impl/DeviceServiceImpl.java b/wcs/nladmin-system/src/main/java/org/nl/acs/device/service/impl/DeviceServiceImpl.java
index 8a8d5fd0..f237db71 100644
--- a/wcs/nladmin-system/src/main/java/org/nl/acs/device/service/impl/DeviceServiceImpl.java
+++ b/wcs/nladmin-system/src/main/java/org/nl/acs/device/service/impl/DeviceServiceImpl.java
@@ -1099,6 +1099,7 @@ public class DeviceServiceImpl implements DeviceService, ApplicationAutoInitial
             result.add(json);
 
         }
+        server.dispose();
         return result;
     }
 
@@ -1116,6 +1117,7 @@ public class DeviceServiceImpl implements DeviceService, ApplicationAutoInitial
         }
         Server server = ReadUtil.getServer(opc_id);
         ReadUtil.write(itemMap, server);
+        server.dispose();
     }
 
     /**
diff --git a/wcs/nladmin-system/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java b/wcs/nladmin-system/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java
index a4b1bc31..df82237c 100644
--- a/wcs/nladmin-system/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java
+++ b/wcs/nladmin-system/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java
@@ -188,6 +188,7 @@ public class DeviceOpcProtocolRunable implements Runnable, DataCallback, ServerC
             Object his = accessor_value.getValue(itemId);
             if (!ObjectUtl.isEquals(itemState.getQuality(), QualityTypeValue.OPC_QUALITY_GOOD) && his != null) {
               log.warn("opc 值不健康 item: {}, 状态: {}", itemId, itemState.getQuality());
+              valueAllNotNull = false;
             }
 
             if (!UnifiedDataAppService.isEquals(value, his)) {
@@ -227,8 +228,8 @@ public class DeviceOpcProtocolRunable implements Runnable, DataCallback, ServerC
                 log.warn(tag + "重新创建server");
                 log.warn("{} 所有内容都为空, all_null:{} ,暂定{}s", tag, all_null,30000 + random);
               }
-//                            ThreadUtl.sleep((long) (30000 + random));
-              ThreadUtl.sleep((long) ((new Random()).nextInt(3) +1) * 1000);
+//              ThreadUtl.sleep((long) (30000 + random));
+              ThreadUtl.sleep((long) ((new Random()).nextInt(3) +1) * 10000);
               break start;
             } else if (this.all_null < 12) {
               if (log.isWarnEnabled()) {