diff --git a/README.md b/README.md
index 250c2b8..d235159 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,15 @@
 # vectorbt_visualization
 This project aims to visualize vectorized back testing results with interactive plot and other detailed information..
+
+# Demo code
+
+``` python
+# ma strategy
+trade = My_Strategy()
+trade.get_stock('2303',start='2021-01-01',end='2021-07-15',freq='30T')
+trade.MA()
+df = trade.run()
+trade.plot()
+
+```
+![image](https://user-images.githubusercontent.com/40668464/139542711-ca77cb53-9696-4fdd-a2d5-27cf6f4c6a6d.png)