diff --git a/acs2/nladmin-system/nlsso-server/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java b/acs2/nladmin-system/nlsso-server/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java
index 941bc9366..ed59e25cf 100644
--- a/acs2/nladmin-system/nlsso-server/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java
+++ b/acs2/nladmin-system/nlsso-server/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java
@@ -413,7 +413,7 @@ public class DeviceOpcProtocolRunable implements Runnable, DataCallback, ServerC
             }
             if (!itemDto.getItem_code().endsWith("heartbeat") && !itemDto.getItem_code().endsWith("time")) {
                 // 存在上次点位值为null情况 则不记录日志
-                if(!(his instanceof Double) && !(value instanceof Double)){
+                if(!(his instanceof Float) && !(value instanceof Float)){
                     LuceneLogDto luceneLogDto = new LuceneLogDto(itemDto.getOpc_server_code(), itemDto.getOpc_plc_code(), itemDto.getDevice_code(), itemDto.getItem_code().substring(itemDto.getItem_code().lastIndexOf(".") + 1),
                             String.valueOf(his), String.valueOf(value));
                     luceneLogDto.setLogType(LogTypeEnum.DEVICE_LOG.getDesc());
@@ -435,7 +435,7 @@ public class DeviceOpcProtocolRunable implements Runnable, DataCallback, ServerC
 
 //            log.warn("设备：{}信号{}变更从{}->{};信号快照：{}", new Object[]{itemDto.getDevice_code(), itemId, his, value});
             if (!itemDto.getItem_code().endsWith("heartbeat") && !itemDto.getItem_code().endsWith("time")) {
-                if(!(his instanceof Double) && !(value instanceof Double)){
+                if(!(his instanceof Float) && !(value instanceof Float)){
                     LuceneLogDto luceneLogDto = new LuceneLogDto(itemDto.getOpc_server_code(), itemDto.getOpc_plc_code(), itemDto.getDevice_code(), itemDto.getItem_code().substring(itemDto.getItem_code().lastIndexOf(".") + 1),
                             String.valueOf(his), String.valueOf(value));
                     luceneLogDto.setLogType(LogTypeEnum.DEVICE_LOG.getDesc());