diff --git a/zc-business/src/main/resources/mapper/business/DcMeteorologicalDetectorDataMapper.xml b/zc-business/src/main/resources/mapper/business/DcMeteorologicalDetectorDataMapper.xml
index 5a30cf63..df208d4b 100644
--- a/zc-business/src/main/resources/mapper/business/DcMeteorologicalDetectorDataMapper.xml
+++ b/zc-business/src/main/resources/mapper/business/DcMeteorologicalDetectorDataMapper.xml
@@ -143,24 +143,20 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </foreach>
     </delete>
     <select id="selectStatistics" resultMap="countMap" resultType="map">
-        WITH hours AS (
-            SELECT h AS time_slot
-            FROM (
-                     SELECT 0 AS h UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4
-                     UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9
-                     UNION ALL SELECT 10 UNION ALL SELECT 11 UNION ALL SELECT 12 UNION ALL SELECT 13
-                     UNION ALL SELECT 14 UNION ALL SELECT 15 UNION ALL SELECT 16 UNION ALL SELECT 17
-                     UNION ALL SELECT 18 UNION ALL SELECT 19 UNION ALL SELECT 20 UNION ALL SELECT 21
-                     UNION ALL SELECT 22 UNION ALL SELECT 23
-                 ) AS all_hours
-        )
         SELECT
             h.time_slot,
             DATE(dc.create_time) AS date,
             COALESCE(ROUND(AVG(dc.temperature), 2), 0) AS avg_temperature,
             COALESCE(ROUND(AVG(dc.visibility), 2), 0) AS avg_visibility
         FROM
-            hours h
+            (
+            SELECT 0 AS time_slot UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4
+            UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9
+            UNION ALL SELECT 10 UNION ALL SELECT 11 UNION ALL SELECT 12 UNION ALL SELECT 13
+            UNION ALL SELECT 14 UNION ALL SELECT 15 UNION ALL SELECT 16 UNION ALL SELECT 17
+            UNION ALL SELECT 18 UNION ALL SELECT 19 UNION ALL SELECT 20 UNION ALL SELECT 21
+            UNION ALL SELECT 22 UNION ALL SELECT 23
+            ) AS h
             LEFT JOIN
             dc_meteorological_detector_data dc
         ON