diff --git a/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/device/domain/DevInfo.java b/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/device/domain/DevInfo.java
index fcb39ee..394e865 100644
--- a/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/device/domain/DevInfo.java
+++ b/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/device/domain/DevInfo.java
@@ -63,6 +63,9 @@ public class DevInfo extends BaseEntity {
     @ApiModelProperty(value = "设备数量")
     private Integer deviceCount;
 
+    @ApiModelProperty(value = "比例范围")
+    private String ratioRange;
+
     @ApiModelProperty(value = "单位")
     @NotBlank(message = "单位不能为空")
     private String unitName;
@@ -272,5 +275,4 @@ public class DevInfo extends BaseEntity {
 
     @ApiModelProperty(value = "累计租赁天数")
     private Integer totalLeaseDay;
-
 }
diff --git a/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/device/mapper/DevInfoMapper.java b/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/device/mapper/DevInfoMapper.java
index 296d8db..2bf35da 100644
--- a/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/device/mapper/DevInfoMapper.java
+++ b/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/device/mapper/DevInfoMapper.java
@@ -211,5 +211,7 @@ public interface DevInfoMapper {
     int updateTotalDevUpDay();
 
     int updateTotalDevLeaseDay();
+
+    List<DevInfo> getIdleDevRatio();
 }
 
diff --git a/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/largeScreen/controller/LargeScreenController.java b/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/largeScreen/controller/LargeScreenController.java
index 66c5161..8772404 100644
--- a/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/largeScreen/controller/LargeScreenController.java
+++ b/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/largeScreen/controller/LargeScreenController.java
@@ -4,6 +4,7 @@ import com.bonus.common.biz.utils.MathUtil;
 import com.bonus.common.core.web.domain.AjaxResult;
 import com.bonus.material.device.domain.DevInfo;
 import com.bonus.material.device.mapper.DevInfoMapper;
+import com.bonus.material.device.service.DevInfoService;
 import com.bonus.material.largeScreen.entity.OrderData;
 import com.bonus.material.largeScreen.entity.OrderDto;
 import com.bonus.material.lease.mapper.MaLeaseInfoMapper;
@@ -16,6 +17,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -29,6 +31,10 @@ import java.util.List;
 public class LargeScreenController {
     @Resource
     private OrderService orderService;
+
+    @Resource
+    private DevInfoService devInfoService;
+
     @Resource
     private OrderMapper orderMapper;
 
@@ -38,6 +44,13 @@ public class LargeScreenController {
     @Resource
     private MaLeaseInfoMapper leaseInfoMapper;
 
+    @ApiOperation("闲置装备分析")
+    @GetMapping("/getIdleDevRatio")
+    public AjaxResult getIdleDevRatio() {
+        List<DevInfo> list = devInfoMapper.getIdleDevRatio();
+        return AjaxResult.success(list);
+    }
+
 
     @ApiOperation("订单数据")
     @GetMapping("/orderData")
diff --git a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/device/DevInfoMapper.xml b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/device/DevInfoMapper.xml
index 6f84ded..cdf7330 100644
--- a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/device/DevInfoMapper.xml
+++ b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/device/DevInfoMapper.xml
@@ -975,4 +975,19 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         where is_active = '1' and ma_status = '3'
     </update>
 
+    <select id="getIdleDevRatio" resultType="com.bonus.material.device.domain.DevInfo">
+        SELECT
+            CASE
+                WHEN a.ratio is null or a.ratio &lt; 0.3 THEN '0%-30%'
+                WHEN a.ratio >= 0.3 AND ratio &lt;= 0.8 THEN '30%-80%'
+            ELSE '80%-100%'
+            END AS ratio_range,
+            COUNT(*) AS device_count
+        FROM
+            (SELECT total_lease_day/NULLIF(total_up_day+total_lease_day, 0) as ratio FROM ma_dev_info) a
+        GROUP BY
+            ratio_range
+        ORDER BY
+            ratio_range
+    </select>
 </mapper>