diff --git a/src/main/java/com/xydl/cac/comparator/Comparator.java b/src/main/java/com/xydl/cac/comparator/Comparator.java
index 400ecef..983f17e 100644
--- a/src/main/java/com/xydl/cac/comparator/Comparator.java
+++ b/src/main/java/com/xydl/cac/comparator/Comparator.java
@@ -1,5 +1,6 @@
 package com.xydl.cac.comparator;
 
+import java.util.Date;
 import java.util.LinkedHashMap;
 
 /**
@@ -10,12 +11,13 @@ import java.util.LinkedHashMap;
  */
 public abstract class Comparator {
     protected String operator;
+    protected long hours;
 
     public Comparator() {
     }
 
     // 比较
-    public abstract boolean compare(Object source, String threshold);
+    public abstract boolean compare(Object source, String threshold, Date lastDTime);
 
     // 支持的比较符
     public abstract LinkedHashMap<String, String> supportedOperator();
@@ -30,4 +32,12 @@ public abstract class Comparator {
     public void setOperator(String operator) {
         this.operator = operator;
     }
+
+    public long getHours() {
+        return hours;
+    }
+
+    public void setHours(long hours) {
+        this.hours = hours;
+    }
 }
diff --git a/src/main/java/com/xydl/cac/comparator/FloatCompare.java b/src/main/java/com/xydl/cac/comparator/FloatCompare.java
index 864e5f6..ca3cc9f 100644
--- a/src/main/java/com/xydl/cac/comparator/FloatCompare.java
+++ b/src/main/java/com/xydl/cac/comparator/FloatCompare.java
@@ -3,6 +3,7 @@ package com.xydl.cac.comparator;
 
 import com.xydl.cac.exception.BusinessException;
 
+import java.util.Date;
 import java.util.LinkedHashMap;
 
 public class FloatCompare extends Comparator {
@@ -11,7 +12,7 @@ public class FloatCompare extends Comparator {
     private float IgnoreValue = 0.00001f;
 
     @Override
-    public boolean compare(Object source, String threshold) {
+    public boolean compare(Object source, String threshold, Date lastDTime) {
         if (source != null) {
             float s1 = (float) source;
 
diff --git a/src/main/java/com/xydl/cac/comparator/IntCompare.java b/src/main/java/com/xydl/cac/comparator/IntCompare.java
index 4499c43..d3a657c 100644
--- a/src/main/java/com/xydl/cac/comparator/IntCompare.java
+++ b/src/main/java/com/xydl/cac/comparator/IntCompare.java
@@ -3,12 +3,13 @@ package com.xydl.cac.comparator;
 
 import com.xydl.cac.exception.BusinessException;
 
+import java.util.Date;
 import java.util.LinkedHashMap;
 
 public class IntCompare extends Comparator {
 
     @Override
-    public boolean compare(Object source, String threshold) {
+    public boolean compare(Object source, String threshold, Date lastDTime) {
         if (source != null) {
             int s1 = (int) source;
 
diff --git a/src/main/java/com/xydl/cac/comparator/MissCompare.java b/src/main/java/com/xydl/cac/comparator/MissCompare.java
new file mode 100644
index 0000000..a685ca5
--- /dev/null
+++ b/src/main/java/com/xydl/cac/comparator/MissCompare.java
@@ -0,0 +1,33 @@
+package com.xydl.cac.comparator;
+
+
+import java.util.Date;
+import java.util.LinkedHashMap;
+
+public class MissCompare extends Comparator {
+
+    @Override
+    public boolean compare(Object source, String threshold, Date lastDTime) {
+        if (source == null && lastDTime != null) {
+            long t2 = Long.parseLong(threshold);
+            long last = System.currentTimeMillis() - lastDTime.getTime();
+            hours = last / 1000 / 60 / 60;
+            if (hours >= t2) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public LinkedHashMap<String, String> supportedOperator() {
+        LinkedHashMap<String, String> map = new LinkedHashMap<String, String>();
+        map.put("GTR", "超过规定小时无数据");
+        return map;
+    }
+
+    @Override
+    public void valid(String operator, String threshold) throws Exception {
+    }
+
+}
diff --git a/src/main/java/com/xydl/cac/controller/WarnRuleController.java b/src/main/java/com/xydl/cac/controller/WarnRuleController.java
index 263e072..ab74f01 100644
--- a/src/main/java/com/xydl/cac/controller/WarnRuleController.java
+++ b/src/main/java/com/xydl/cac/controller/WarnRuleController.java
@@ -3,7 +3,9 @@ package com.xydl.cac.controller;
 import com.xydl.cac.comparator.Comparator;
 import com.xydl.cac.comparator.FloatCompare;
 import com.xydl.cac.comparator.IntCompare;
+import com.xydl.cac.comparator.MissCompare;
 import com.xydl.cac.entity.WarnRule;
+import com.xydl.cac.entity.constants.Constants;
 import com.xydl.cac.exception.BusinessException;
 import com.xydl.cac.model.ColumnModel;
 import com.xydl.cac.model.Response;
@@ -18,8 +20,6 @@ import javax.annotation.Resource;
 import javax.validation.constraints.NotNull;
 import java.util.*;
 
-import static com.xydl.cac.entity.constants.Constants.FloatCompare;
-import static com.xydl.cac.entity.constants.Constants.IntCompare;
 
 @RestController
 @Api(tags = {"告警规则相关接口"})
@@ -28,6 +28,7 @@ import static com.xydl.cac.entity.constants.Constants.IntCompare;
 public class WarnRuleController extends BasicController {
     FloatCompare floatCompare = new FloatCompare();
     IntCompare intCompare = new IntCompare();
+    MissCompare missCompare = new MissCompare();
 
     @Resource
     WarnRuleService service;
@@ -37,13 +38,17 @@ public class WarnRuleController extends BasicController {
     public Response<List<ColumnModel>> listComparator() throws Exception {
         List<ColumnModel> result = new ArrayList<>();
         ColumnModel item = new ColumnModel();
-        item.setType(FloatCompare);
+        item.setType(Constants.FloatCompare);
         item.setComment("浮点型数据比较器");
         result.add(item);
         item = new ColumnModel();
-        item.setType(IntCompare);
+        item.setType(Constants.IntCompare);
         item.setComment("整型数据比较器");
         result.add(item);
+        item = new ColumnModel();
+        item.setType(Constants.MissCompare);
+        item.setComment("数据缺失比较器");
+        result.add(item);
         return Response.success(result);
     }
 
@@ -55,10 +60,12 @@ public class WarnRuleController extends BasicController {
     }
 
     private Comparator getComparator(String name) throws BusinessException {
-        if (FloatCompare.equalsIgnoreCase(name)) {
+        if (Constants.FloatCompare.equalsIgnoreCase(name)) {
             return floatCompare;
-        } else if (IntCompare.equalsIgnoreCase(name)) {
+        } else if (Constants.IntCompare.equalsIgnoreCase(name)) {
             return intCompare;
+        } else if (Constants.MissCompare.equalsIgnoreCase(name)) {
+            return missCompare;
         } else {
             throw new BusinessException("未找到该比较器");
         }
@@ -69,14 +76,18 @@ public class WarnRuleController extends BasicController {
     public Response<List<WarnRule>> listAll(Integer sensorId) throws Exception {
         List<WarnRule> result = service.listAll(sensorId);
         for (WarnRule item : result) {
-            if (FloatCompare.equalsIgnoreCase(item.getComparator())) {
+            if (Constants.FloatCompare.equalsIgnoreCase(item.getComparator())) {
                 item.setComparatorDesc("浮点型数据比较器");
                 String name = floatCompare.supportedOperator().get(item.getOperator());
                 item.setOperatorDesc(name);
-            } else if (IntCompare.equalsIgnoreCase(item.getComparator())) {
+            } else if (Constants.IntCompare.equalsIgnoreCase(item.getComparator())) {
                 item.setComparatorDesc("整型数据比较器");
                 String name = intCompare.supportedOperator().get(item.getOperator());
                 item.setOperatorDesc(name);
+            } else if (Constants.MissCompare.equalsIgnoreCase(item.getComparator())) {
+                item.setComparatorDesc("数据缺失比较器");
+                String name = intCompare.supportedOperator().get(item.getOperator());
+                item.setOperatorDesc(name);
             }
         }
         return Response.success(result);
diff --git a/src/main/java/com/xydl/cac/entity/WarnRule.java b/src/main/java/com/xydl/cac/entity/WarnRule.java
index 498908f..d1aa39a 100644
--- a/src/main/java/com/xydl/cac/entity/WarnRule.java
+++ b/src/main/java/com/xydl/cac/entity/WarnRule.java
@@ -5,6 +5,7 @@ import com.fasterxml.jackson.annotation.JsonInclude;
 import com.xydl.cac.comparator.Comparator;
 import com.xydl.cac.comparator.FloatCompare;
 import com.xydl.cac.comparator.IntCompare;
+import com.xydl.cac.comparator.MissCompare;
 import com.xydl.cac.entity.constants.Constants;
 import com.xydl.cac.model.TriggerModel;
 import com.xydl.cac.util.DateUtil;
@@ -106,6 +107,9 @@ public class WarnRule {
             } else if (Constants.IntCompare.equalsIgnoreCase(comparator)) {
                 actualComp = new IntCompare();
                 actualComp.setOperator(operator);
+            } else if (Constants.MissCompare.equalsIgnoreCase(comparator)) {
+                actualComp = new MissCompare();
+                actualComp.setOperator(operator);
             } else {
                 actualComp = null;
                 log.error("该规则(" + id + ")比较器(" + comparator + ")异常");
@@ -126,14 +130,23 @@ public class WarnRule {
 
     // 单个数据是否触发
     public boolean triggerRule(Object value) {
-        return actualComp.compare(value, threshold);
+        return actualComp.compare(value, threshold, lastDTime);
     }
 
     // 多数据触发返回告警数据
     public List<TriggerModel> checkData(List<Map<String, Object>> list) throws Exception {
         List<TriggerModel> result = null;
         if (CollectionUtils.isEmpty(list)) {
-
+            if (Constants.MissCompare.equalsIgnoreCase(comparator)) {
+                boolean r = this.triggerRule(null);
+                if (r) {
+                    result = new ArrayList<>();
+                    TriggerModel model = new TriggerModel();
+                    model.setDate(new Date());
+                    model.setValue(String.valueOf(actualComp.getHours()));
+                    result.add(model);
+                }
+            }
         } else {
             result = new ArrayList<>();
             for (Map<String, Object> map : list) {
diff --git a/src/main/java/com/xydl/cac/entity/constants/Constants.java b/src/main/java/com/xydl/cac/entity/constants/Constants.java
index c36d183..4bd3c7c 100644
--- a/src/main/java/com/xydl/cac/entity/constants/Constants.java
+++ b/src/main/java/com/xydl/cac/entity/constants/Constants.java
@@ -12,4 +12,5 @@ public class Constants {
 
     public static String FloatCompare = "float";
     public static String IntCompare = "int";
+    public static String MissCompare = "miss";
 }