diff --git a/docs/source/examples/md/dpsgd-example.md b/docs/source/examples/md/dpsgd-example.md
index 20f80252b54eb054df6a0c429ef0463f92f20e9b..f3dd18f3892906c8d6b6d38d3acb68a2a68bd392 100644
--- a/docs/source/examples/md/dpsgd-example.md
+++ b/docs/source/examples/md/dpsgd-example.md
@@ -4,14 +4,14 @@ This document introduces how to use PaddleFL to train a model with Fl Strategy:
 
 ### Dependencies
 
-- paddlepaddle>=1.6
+- paddlepaddle>=1.8
 
 ### How to install PaddleFL
 
-Please use python which has paddlepaddle installed
+Please use pip which has paddlepaddle installed
 
 ```
-python setup.py install
+pip install paddle_fl
 ```
 
 ### Model
@@ -98,15 +98,28 @@ job_generator.generate_fl_job(
     strategy, server_endpoints=endpoints, worker_num=2, output=output)
 ```
 
-How to work in RunTime
+#### How to work in RunTime
 
 ```
 python -u fl_scheduler.py >scheduler.log &
 python -u fl_server.py >server0.log &
-python -u fl_trainer.py 0 data/ >trainer0.log &
-python -u fl_trainer.py 1 data/ >trainer1.log &
+python -u fl_trainer.py 0 >trainer0.log &
+python -u fl_trainer.py 1 >trainer1.log &
+python -u fl_trainer.py 2 >trainer2.log &
+python -u fl_trainer.py 3 >trainer3.log &
 ```
+In fl_scheduler.py, we let server and trainers to do registeration.
 
+```
+worker_num = 4
+server_num = 1
+#Define number of worker/server and the port for scheduler
+scheduler = FLScheduler(worker_num, server_num, port=9091)
+scheduler.set_sample_worker_num(4)
+scheduler.init_env()
+print("init env done.")
+scheduler.start_fl_training()
+```
 In fl_server.py, we load and run the FL server job.  
 
 ```
@@ -115,7 +128,9 @@ server_id = 0
 job_path = "fl_job_config"
 job = FLRunTimeJob()
 job.load_server_job(job_path, server_id)
+job._scheduler_ep = "127.0.0.1:9091"  # IP address for scheduler
 server.set_server_job(job)
+server._current_ep = "127.0.0.1:8181"  # IP address for server
 server.start()
 ```
 
diff --git a/docs/source/examples/md/gru4rec_examples.md b/docs/source/examples/md/gru4rec_examples.md
index b40e9eb8dc4033aec55bcf7769a372c9eca2a7f7..33d4493ed99c1a1a7d9643a88098ebf5710e3e41 100644
--- a/docs/source/examples/md/gru4rec_examples.md
+++ b/docs/source/examples/md/gru4rec_examples.md
@@ -3,12 +3,13 @@
 This document introduces how to use PaddleFL to train a model with Fl Strategy.
 
 ### Dependencies
-- paddlepaddle>=1.6
+- paddlepaddle>=1.8
 
 ### How to install PaddleFL
-Please use python which has paddlepaddle installed
+
+Please use pip which has paddlepaddle installed
 ```sh
-python setup.py install
+pip install paddle_fl
 ```
 
 ### Model
@@ -20,7 +21,6 @@ Public Dataset [Rsc15](https://2015.recsyschallenge.com)
 
 ```sh
 #download data
-cd example/gru4rec_demo
 sh download.sh
 ```
 
@@ -63,7 +63,7 @@ strategy = build_strategy.create_fl_strategy()
 endpoints = ["127.0.0.1:8181"]
 output = "fl_job_config"
 job_generator.generate_fl_job(
-    strategy, server_endpoints=endpoints, worker_num=2, output=output)
+    strategy, server_endpoints=endpoints, worker_num=4, output=output)
 
 ```
 
@@ -72,8 +72,10 @@ job_generator.generate_fl_job(
 ```sh 
 python -u fl_scheduler.py >scheduler.log &
 python -u fl_server.py >server0.log &
-python -u fl_trainer.py 0 data/ >trainer0.log &
-python -u fl_trainer.py 1 data/ >trainer1.log &
+python -u fl_trainer.py 0 >trainer0.log &
+python -u fl_trainer.py 1 >trainer1.log &
+python -u fl_trainer.py 2 >trainer2.log &
+python -u fl_trainer.py 3 >trainer3.log &
 ```
 fl_trainer.py can define own reader according to data. 
 ```python
diff --git a/docs/source/examples/md/sec_agg_example.md b/docs/source/examples/md/sec_agg_example.md
index 3e678e6e1ade911d34b18db3ee0af329de68e6c7..08d97519602aa1a8fe905e096acce82d418f4e30 100644
--- a/docs/source/examples/md/sec_agg_example.md
+++ b/docs/source/examples/md/sec_agg_example.md
@@ -8,7 +8,7 @@ This document introduces how to use PaddleFL to train a model with Fl Strategy:
 
 ### How to install PaddleFL
 
-Please use python which has paddlepaddle installed
+Please use pip which has paddlepaddle installed
 
 ```
 pip install paddle_fl
@@ -96,7 +96,7 @@ job_generator.generate_fl_job(
 
 ```
 
-How to work in RunTime
+#### How to work in RunTime
 
 ```shell
 python3 fl_master.py
@@ -107,6 +107,18 @@ python3 -u fl_trainer.py 0 >log/trainer0.log &
 sleep 2
 python3 -u fl_trainer.py 1 >log/trainer1.log &
 ```
+In fl_scheduler.py, we let server and trainers to do registeration.
+
+```
+worker_num = 2
+server_num = 1
+#Define number of worker/server and the port for scheduler
+scheduler = FLScheduler(worker_num, server_num, port=9091)
+scheduler.set_sample_worker_num(2)
+scheduler.init_env()
+print("init env done.")
+scheduler.start_fl_training()
+```
 
 In fl_server.py, we load and run the FL server job.