diff --git a/op-modules/op-device/src/main/java/com/op/device/controller/DeviceInterfaceController.java b/op-modules/op-device/src/main/java/com/op/device/controller/DeviceInterfaceController.java
index ff68332d..230388cd 100644
--- a/op-modules/op-device/src/main/java/com/op/device/controller/DeviceInterfaceController.java
+++ b/op-modules/op-device/src/main/java/com/op/device/controller/DeviceInterfaceController.java
@@ -52,6 +52,7 @@ public class DeviceInterfaceController {
     /**
      * 设备稳定性-MTBF top10
      * 公式：实际运转时间/停机次数
+     * 分为每日/每月/每年
      * @param equOperation
      * @return
      */
diff --git a/op-modules/op-device/src/main/java/com/op/device/domain/EquOperation.java b/op-modules/op-device/src/main/java/com/op/device/domain/EquOperation.java
index a9f42b88..2bb2389b 100644
--- a/op-modules/op-device/src/main/java/com/op/device/domain/EquOperation.java
+++ b/op-modules/op-device/src/main/java/com/op/device/domain/EquOperation.java
@@ -112,6 +112,9 @@ public class EquOperation extends BaseEntity {
     // 创建日期结束
     private String createTimeEnd;
 
+    //时间维度 区分每日/每月/每年
+    private String timeDimension;
+
     //MTBF接口字段
     //序号
     private String serialNumber;
@@ -377,6 +380,14 @@ public class EquOperation extends BaseEntity {
         return shutdownTimes;
     }
 
+    //时间维度
+    public void setTimeDimension(String timeDimension) {
+        this.timeDimension = timeDimension;
+    }
+    public String getTimeDimension() {
+        return timeDimension;
+    }
+
     @Override
     public String toString() {
         return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
diff --git a/op-modules/op-device/src/main/java/com/op/device/service/impl/DeviceInterfaceServiceImpl.java b/op-modules/op-device/src/main/java/com/op/device/service/impl/DeviceInterfaceServiceImpl.java
index 220857f9..2e248f6c 100644
--- a/op-modules/op-device/src/main/java/com/op/device/service/impl/DeviceInterfaceServiceImpl.java
+++ b/op-modules/op-device/src/main/java/com/op/device/service/impl/DeviceInterfaceServiceImpl.java
@@ -117,14 +117,14 @@ public class DeviceInterfaceServiceImpl implements IDeviceInterfaceService {
     public AjaxResult getEquipmentStabilityList(EquOperation equOperation) {
         //查询所有设备（设备停用的除外）
         //判断查询年/月/日
-        //需要加逻辑
-        //当日时间
         equOperation.setCreateTime(DateUtils.getNowDate());
+        if(equOperation.getTimeDimension()==null){
+            equOperation.setTimeDimension("dd");
+        }
         List<EquOperation> equipmentList = deviceInterfaceMapper.getMTBFList(equOperation);
         return success(equipmentList);
     }
 
-
     /**
      * 完好设备占比
      * 公式：维修/故障设备
diff --git a/op-modules/op-device/src/main/resources/mapper/device/DeviceInterfaceMapper.xml b/op-modules/op-device/src/main/resources/mapper/device/DeviceInterfaceMapper.xml
index 0cbc365c..88eb010a 100644
--- a/op-modules/op-device/src/main/resources/mapper/device/DeviceInterfaceMapper.xml
+++ b/op-modules/op-device/src/main/resources/mapper/device/DeviceInterfaceMapper.xml
@@ -76,15 +76,27 @@
     <!--设备稳定性 MTBF 每日-->
     <select id="getMTBFList" parameterType="EquOperation" resultType="com.op.device.domain.EquOperation">
         select
-            row_number() over (order by cast(eo.actual_operation_time as decimal(6, 2))/2 desc) as serialNumber,
-	        eo.equipment_code as equipmentCode,
-	        eo.equipment_name as equipmentName,
+        row_number() over (order by sum(
         case
-            when eo.shutdown_times > 0 THEN cast(cast(eo.actual_operation_time as decimal(18,2))/eo.shutdown_times as decimal(18,2))
-            else 0
-        end as mtbf
+        when eo.shutdown_times > 0 THEN cast(cast(eo.actual_operation_time as decimal(18,2))/eo.shutdown_times as decimal(18,2))
+        else 0
+        end
+        ) desc) as serialNumber,
+        eo.equipment_code as equipmentCode,
+        eo.equipment_name as equipmentName,
+        cast(sum(
+        case
+        when eo.shutdown_times > 0 THEN cast(eo.actual_operation_time as decimal(18,2))/eo.shutdown_times
+        else 0
+        end
+        )/COUNT(equipment_code) as decimal(18,2))as mtbf
         from equ_operation eo
-        where day(eo.create_time)  = day(getdate())
+        <where>
+            <if test="timeDimension == 'dd' "> and day(eo.create_time)  = day(getdate())</if>
+            <if test="timeDimension == 'mm' "> and month(eo.create_time)  = month(getdate())</if>
+            <if test="timeDimension == 'yyyy' "> and year(eo.create_time)  = year(getdate())</if>
+        </where>
+        GROUP BY equipment_code,equipment_name
     </select>
 
     <!--完好设备占比-->