diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/base/BaseSensorInfoController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/base/BaseSensorInfoController.java
index 48fef65..fceedcc 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/base/BaseSensorInfoController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/base/BaseSensorInfoController.java
@@ -155,6 +155,7 @@ public class BaseSensorInfoController extends BaseController {
   public AjaxResult addSave(BaseSensorInfo baseSensorInfo) {
     baseSensorInfo.setCreateBy(ShiroUtils.getLoginName());
     baseSensorInfo.setCreateTime(new Date());
+    baseSensorInfo.setSensorStatus(1L);
     return toAjax(baseSensorInfoService.insertBaseSensorInfo(baseSensorInfo));
   }
 
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/iot/IndexController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/iot/IndexController.java
index 0113660..f2b4a68 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/iot/IndexController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/iot/IndexController.java
@@ -267,7 +267,7 @@ public class IndexController {
       List<Integer> data =
           new ArrayList<Integer>() {
             {
-              /*this.add(
+              this.add(
                   baseSensorInfoDtos.stream()
                       .filter(x -> x.getSensorStatus() == 0)
                       .collect(Collectors.toList())
@@ -281,10 +281,10 @@ public class IndexController {
                   baseSensorInfoDtos.stream()
                       .filter(x -> x.getSensorStatus() == 2)
                       .collect(Collectors.toList())
-                      .size()); // 告警*/
-              this.add(0);
+                      .size()); // 告警
+              /*this.add(0);
               this.add(baseSensorInfoDtos.size());
-              this.add(0);
+              this.add(0);*/
             }
           };
 
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/timedTask/SensorStateConroller.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/timedTask/SensorStateConroller.java
new file mode 100644
index 0000000..5ceb500
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/timedTask/SensorStateConroller.java
@@ -0,0 +1,74 @@
+package com.ruoyi.web.controller.timedTask;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+import com.ruoyi.common.core.controller.BaseController;
+import com.ruoyi.common.utils.StringUtils;
+import com.ruoyi.system.domain.BaseSensorInfo;
+import com.ruoyi.system.domain.dto.BaseSensorInfoDto;
+import com.ruoyi.system.service.IBaseSensorInfoService;
+import com.ruoyi.system.service.ISysParamConfigService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * 传感器状态统计
+ * @author WenJY
+ *
+ * @date 2022年05月29日 11:14
+ */
+@Component("sensorState")
+@Controller
+@RequestMapping("/sensorState")
+public class SensorStateConroller extends BaseController {
+
+    @Autowired
+    private IBaseSensorInfoService baseSensorInfoService;
+
+    @Autowired private StringRedisTemplate redisTemplate;
+
+    private SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+
+    public void task() throws ParseException {
+        BaseSensorInfo baseSensorInfo = new BaseSensorInfo();
+        baseSensorInfo.setEnableFlag(0L);
+        List<BaseSensorInfoDto> baseSensorInfoDtos =baseSensorInfoService.getSensorInfoList(baseSensorInfo);
+        for (BaseSensorInfoDto baseSensorInfoDto : baseSensorInfoDtos) {
+            Object jrm = redisTemplate.opsForHash().get(baseSensorInfoDto.getSensorType(), baseSensorInfoDto.getSensorId());
+
+            if (jrm != null) {
+                JSONObject jsonObject = JSON.parseObject(jrm.toString());
+                String param = jsonObject.get("collectTime").toString();
+                if(!StringUtils.isEmpty(param)){
+                    Date collectTime = dateFormat.parse(param);
+                    Date nowTime = new Date();
+                    long diff = nowTime.getTime() - collectTime.getTime();
+                    long diffMinutes = diff / (60 * 1000) % 60;
+
+                    long sensorState = 0L;
+
+                    if(diffMinutes > 20){
+                        sensorState = 1L;
+                        //System.out.println("传感器："+baseSensorInfoDto.getSensorName() + ";时间间隔:"+diffMinutes);
+                    }
+
+                    if(baseSensorInfoDto.getSensorStatus() != sensorState){
+                        baseSensorInfoDto.setSensorStatus(sensorState);
+                        baseSensorInfoDto.setUpdateBy("定时任务");
+                        baseSensorInfoService.updateBaseSensorInfo(baseSensorInfoDto);
+                    }
+                }
+            }
+        }
+    }
+
+}
diff --git a/ruoyi-admin/src/main/resources/templates/base/sensorInfo/sensorInfo.html b/ruoyi-admin/src/main/resources/templates/base/sensorInfo/sensorInfo.html
index 49d6264..9ecb246 100644
--- a/ruoyi-admin/src/main/resources/templates/base/sensorInfo/sensorInfo.html
+++ b/ruoyi-admin/src/main/resources/templates/base/sensorInfo/sensorInfo.html
@@ -50,14 +50,14 @@
                                             th:value="${dict.sensortypeId}"></option>
                                 </select>
                             </li>
-                            <!--<li>
-                                <label>状态：</label>
+                            <li>
+                                <label>传感器状态：</label>
                                 <select name="sensorStatus" th:with="type=${@dict.getType('base_sensor_status')}">
                                     <option value="">所有</option>
                                     <option th:each="dict : ${type}" th:text="${dict.dictLabel}"
                                             th:value="${dict.dictValue}"></option>
                                 </select>
-                            </li>-->
+                            </li>
                             <li>
                                 <a class="btn btn-primary btn-rounded btn-sm" onclick="$.table.search()"><i
                                         class="fa fa-search"></i>&nbsp;搜索</a>
@@ -193,7 +193,7 @@
                     formatter: function (value, row, index) {
                         return $.table.selectDictLabel(sensorStatusDatas, value);
                     },
-                    visible: false
+                    visible: true
                 },
                 {
                     field: 'monitorunitName',
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/IBaseSensorInfoService.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/IBaseSensorInfoService.java
index a9f2f3d..963d199 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/IBaseSensorInfoService.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/IBaseSensorInfoService.java
@@ -31,6 +31,8 @@ public interface IBaseSensorInfoService
      */
     public List<BaseSensorInfoDto> selectBaseSensorInfoList(BaseSensorInfo baseSensorInfo);
 
+    public List<BaseSensorInfoDto> getSensorInfoList(BaseSensorInfo baseSensorInfo);
+
     /**
      * 导入传感器信息
      * @author WenJY
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/BaseSensorInfoServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/BaseSensorInfoServiceImpl.java
index 35d00d6..4ad04d3 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/BaseSensorInfoServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/BaseSensorInfoServiceImpl.java
@@ -81,6 +81,11 @@ public class BaseSensorInfoServiceImpl implements IBaseSensorInfoService
         }
     }
 
+    @Override
+    public List<BaseSensorInfoDto> getSensorInfoList(BaseSensorInfo baseSensorInfo) {
+        return baseSensorInfoMapper.selectBaseSensorInfoList(baseSensorInfo);
+    }
+
     /**
      * 导入传感器信息
      * @author WenJY