diff --git a/chapter2/mysite/myapp/static/scripts/trend.js b/chapter2/mysite/myapp/static/scripts/trend.js
index c860f51..9a8fb76 100755
--- a/chapter2/mysite/myapp/static/scripts/trend.js
+++ b/chapter2/mysite/myapp/static/scripts/trend.js
@@ -304,7 +304,7 @@ $(function(){
           name: '条',
           type: 'bar',
           yAxisIndex: 0,
-          data: [20,18,12,11,9,9,8,7,0,0],
+          data: histogramChart3_rates,
           barWidth: 10,
           itemStyle: {
               normal: {