umbrella: test pandas dataframe
@@ -56,8 +56,8 @@ dtvalue1 = [i[0] for i in dtvalue1]
dtvalue2 = [i[0] for i in dtvalue2]
bar = Bar('Bar chart', 'Profit and loss situation')
-bar.add('profit', df1.index, df1.values)
-bar.add('loss', df2.index, df2.values)
+bar.add('profit', df1.index, dtvalue1)
+bar.add('loss', df2.index, dtvalue2)
bar.render()
```
![usage-1](https://github.com/chenjiandongx/pyecharts/blob/master/images/usage-1.png)
