diff --git a/db/history_value.db.js b/db/history_value.db.js
index 3585ad9..72710cd 100644
--- a/db/history_value.db.js
+++ b/db/history_value.db.js
@@ -234,7 +234,7 @@ const getHistoryValueReportPivotDb = async (tableName, searchParams = {}) => {
         SELECT 
             DATEADD(MINUTE, DATEDIFF(MINUTE, 0, CAST(a.datetime AS DATETIME)) / @intervalParam * @intervalParam, 0) AS waktu_group,
             b.tag_name,
-            AVG(a.val) AS avg_val
+            ROUND(AVG(a.val), 4) AS avg_val
         FROM ${tableName} a
         LEFT JOIN m_tags b ON a.tagnum = b.tag_number AND b.deleted_at IS NULL
         WHERE a.datetime BETWEEN @fromParam AND @toParam
@@ -319,7 +319,7 @@ const getHistoryValueTrendingPivotDb = async (tableName, searchParams = {}) => {
         SELECT 
             DATEADD(MINUTE, DATEDIFF(MINUTE, 0, CAST(a.datetime AS DATETIME)) / @intervalParam * @intervalParam, 0) AS waktu_group,
             b.tag_name,
-            AVG(a.val) AS avg_val
+            ROUND(AVG(a.val), 4) AS avg_val
         FROM ${tableName} a
         LEFT JOIN m_tags b ON a.tagnum = b.tag_number AND b.deleted_at IS NULL
         WHERE a.datetime BETWEEN @fromParam AND @toParam