modify README.md

README.md

@@ -1,12 +1,21 @@
 # icdk (IC Deveplopment Toolkit)
 
-## uvmgen
+## Dependence 
+- fire >=0.5.0 
+- Mako >=1.2.0 
+- ipyxact >=0.3.0 
+- peakrdl >=1.1.0 
+- pytest
+
+## Installing
+  Install from [PyPi](https://pypi.org/project/uvmgen) using pip:
+   - python3 -m pip install uvmgen
+
+## Using steps
+
+- python3 -m pip install uvmgen
+- if you want to generate a complete UVM environment , modify typeical.json in example file
+- if you want to generate a agent or others, modify your expected json in base_pkg file
+- enter the json folder to execute uvmgen ***.json command ，and can generate environment
 
-### 1. agent
 
-- mon2cov_con_approach 
-  Which approach would you like to use for monitor's connection with observers(scoreboard,coverage etc.)?
-     1) Callbacks approach ;
-     2) Analysis port usage in monitor
-- drv_type
-  pull driver or push driver?