diff --git a/yxt-supervise-monitor-biz/src/main/java/com/yxt/supervise/monitor/biz/deviceImage/YDeviceImageService.java b/yxt-supervise-monitor-biz/src/main/java/com/yxt/supervise/monitor/biz/deviceImage/YDeviceImageService.java
index 39a70b7..d1195c2 100644
--- a/yxt-supervise-monitor-biz/src/main/java/com/yxt/supervise/monitor/biz/deviceImage/YDeviceImageService.java
+++ b/yxt-supervise-monitor-biz/src/main/java/com/yxt/supervise/monitor/biz/deviceImage/YDeviceImageService.java
@@ -121,7 +121,7 @@ public class YDeviceImageService extends ServiceImpl<YDeviceImageMapper, DeviceI
         // 入库操作
         // 查询比对的前一张照片  今天的9:00和昨天的9:00
         QueryWrapper<DeviceImage> wrapper = new QueryWrapper<>();
-        wrapper.eq("isShow", "1");
+        wrapper.eq("isShow", "0");
         wrapper.eq("channelNo", device.getChannelNo());
         wrapper.eq("ckId", device.getCkId());
 
@@ -142,6 +142,7 @@ public class YDeviceImageService extends ServiceImpl<YDeviceImageMapper, DeviceI
         deviceImage.setIsShow("1");
         deviceImage.setName(device.getName());
         deviceImage.setCkId(device.getCkId());
+        deviceImage.setModifyTime(new Date());
 
         if (deviceImageList.size() > 0) {
             DeviceImage deviceImageExit = deviceImageList.get(0);
diff --git a/yxt-supervise-monitor-biz/src/main/java/com/yxt/supervise/monitor/biz/scheduled/SyncDetection.java b/yxt-supervise-monitor-biz/src/main/java/com/yxt/supervise/monitor/biz/scheduled/SyncDetection.java
index d019195..25dd2ee 100644
--- a/yxt-supervise-monitor-biz/src/main/java/com/yxt/supervise/monitor/biz/scheduled/SyncDetection.java
+++ b/yxt-supervise-monitor-biz/src/main/java/com/yxt/supervise/monitor/biz/scheduled/SyncDetection.java
@@ -3,6 +3,7 @@ package com.yxt.supervise.monitor.biz.scheduled;
 import cn.hutool.core.date.DateUtil;
 import com.alibaba.fastjson.JSONObject;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.yxt.common.base.utils.StringUtils;
 import com.yxt.supervise.monitor.api.entity.Device;
 import com.yxt.supervise.monitor.api.entity.DeviceImage;
 import com.yxt.supervise.monitor.api.entity.WareHouse;
@@ -93,7 +94,9 @@ public class SyncDetection implements SchedulingConfigurer {
                                     deviceVo.setEndImage(ed.getImgAfter());
                                     deviceVo.setStartTime(sdf.format(ed.getCreateTime()));
                                     deviceVo.setEndTime(sdf.format(ed.getModifyTime()));
-                                    deviceVos.add(deviceVo);
+                                    if(StringUtils.isNotEmpty(ed.getSimilarity())){
+                                        deviceVos.add(deviceVo);
+                                    }
                                 }
                             }