diff --git a/book/chapter-01-run-and-talk.md b/book/chapter-01-run-and-talk.md
index c62bedc1..3bdf7848 100644
--- a/book/chapter-01-run-and-talk.md
+++ b/book/chapter-01-run-and-talk.md
@@ -54,6 +54,10 @@ Notes:
 1. Enter the BotServer root folder.
 2. Run tests by `npm test`.
 
+##Test by PowerShell
+![npm test](https://user-images.githubusercontent.com/65977273/94598386-3e977d80-0265-11eb-93e8-ca3013c3f1e1.png)
+
+
 ### Just copy the source code to your machine
 
 1. [Download](https://codeload.github.com/pragmatismo-io/BotServer/zip/master) the Zip file.