diff --git a/README.md b/README.md
index 9d84eed..1b9ebb4 100644
--- a/README.md
+++ b/README.md
@@ -177,15 +177,5 @@ To contribute, please follow the steps:
 
 ### Step 2: Development
 
-#### Simple Mode
+- `npm run dev` to select and develop single package
 
-- `npm run start` to select and develop single package
-
-#### Complete Mode
-
-- `npm run dev`  for compiling all packages
-  -  `npm run dev ${module}` for compiling single module such as `idraw`
-- `npm run serve` for starting a server 
-- http://127.0.0.1:8080
-  - http://127.0.0.1:8080/packages/idraw/examples/features/
-  - http://127.0.0.1:8080/packages/core/examples/features/