diff --git a/epmet-plugins-module/pli-power-base/pli-power-base-server/src/main/resources/mapper/visit/VisitVisitorDao.xml b/epmet-plugins-module/pli-power-base/pli-power-base-server/src/main/resources/mapper/visit/VisitVisitorDao.xml
index af96c52..5ac136d 100644
--- a/epmet-plugins-module/pli-power-base/pli-power-base-server/src/main/resources/mapper/visit/VisitVisitorDao.xml
+++ b/epmet-plugins-module/pli-power-base/pli-power-base-server/src/main/resources/mapper/visit/VisitVisitorDao.xml
@@ -29,7 +29,7 @@
 
     <select id="getTraffic" resultType="com.epmet.plugin.power.dto.visit.result.VisitVisitorChartResultDTO">
         SELECT
-            h.`hour`,
+            CONCAT( h.`hour`, ':00' ) AS HOUR,
             COUNT( v.id ) AS num
         FROM
             pli_chart_hour h