diff --git a/TC1/http_server/web/demo.html b/TC1/http_server/web/demo.html
index 178283a..f2a6a25 100644
--- a/TC1/http_server/web/demo.html
+++ b/TC1/http_server/web/demo.html
@@ -313,7 +313,7 @@
           []
         ]
       };
-      var t = new Chartist.Line('.ct-chart', data, {showArea: true});
+      var t = new Chartist.Line('.ct-chart', data, {showArea: true, axisY: {position: 'end'}});
       var power_idx = 0;
       var chart_wth = 0;
       function GetPowerRecord() {