diff --git a/wxc2_omc/performance/generalCsta/spgw_day.php b/wxc2_omc/performance/generalCsta/spgw_day.php
index a33a7a8..06b9a89 100644
--- a/wxc2_omc/performance/generalCsta/spgw_day.php
+++ b/wxc2_omc/performance/generalCsta/spgw_day.php
@@ -64,9 +64,9 @@ for($i=0;$i<$num;$i++)
 	// echo "<pre>";
 	// print_r($row);
 	// echo "</pre>";
-	$downDataArr[]=$row[downlink_total_volume];
+	$downDataArr[]=round($row[downlink_total_volume]/(1024 * 1024),2);
 	$downDateArr[]=$row[csta_datetime];
-	$upDataArr[]=$row[uplink_total_volume];
+	$upDataArr[]=round($row[uplink_total_volume]/(1024 * 1024),2);
 	$upDateArr[]=$row[csta_datetime];
 }
 
@@ -330,7 +330,7 @@ document.addEventListener("DOMContentLoaded", function() {
                     containLabel: true
                 },
                 title: {
-                    text: 'Linke Total(B)'
+                    text: 'Total Volume(MB)'
                 },
                 tooltip: {
                     trigger: 'axis',