diff --git a/INSTALL.md b/INSTALL.md
new file mode 100644
index 0000000..6634bec
--- /dev/null
+++ b/INSTALL.md
@@ -0,0 +1,26 @@
+
+## install dependency
+
+#### python3
+install or update to python 3
+
+#### install chinese version of rasa nlu
+```
+git clone https://github.com/crownpku/Rasa_NLU_Chi.git
+cd rasa_nlu
+pip install -r requirements.txt
+python setup.py install
+```
+
+#### install sklearn and MITIE
+
+```
+pip install -U scikit-learn sklearn-crfsuite
+pip install git+https://github.com/mit-nlp/MITIE.git
+```
+
+#### install rasa_core
+
+```
+pip install rasa_core
+```
diff --git a/README.md b/README.md
index 52d8a3c..d71e9bd 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,8 @@
 # rasa_chatbot
 A Chinese task oriented chatbot in  IVR(Interactive Voice Response) domain(电信ivr领域， 中文)， Implement by rasa nlu and rasa core. This is a demo with toy dataset.
 
-### requirements:
-- python3
-- [rasa_nlu_chi](https://github.com/crownpku/rasa_nlu_chi)
-- [rasa_core](https://github.com/RasaHQ/rasa_core)
-- sklearn
-- mitie [(you can install follow here)](https://nlu.rasa.ai/installation.html#section-backends)
+### install dependency:
+- [follow here](https://github.com/zqhZY/rasa_chatbot/blob/master/INSTALL.md)
 
 ### dir tree
 ```
@@ -34,6 +30,10 @@ python bot.py train-nlu
 ```bash
 python bot.py train-dialogue
 ```
+### train dialogue in online mode
+```
+python bot.py online_train
+```
 
 ### test
 Run command below: