Update README.rst

apps/common/README.rst → apps/common/README.md

-## Celery 
+## Celery usage 
+
+----
 
 Jumpserver use celery to run task async. Using redis as the broker, so
 you should run a redis instance
 
-* Run redis
-```
-# yum -y install redis 
-or
-# docker run -name jumpserver-redis -d -p 6379:6379 redis redis-server
-```
+#### Run redis
 
-* Write tasks in app_name/tasks.py
+	$ yum -y install redis 
+	
+	or
+	
+	$ docker run -name jumpserver-redis -d -p 6379:6379 redis redis-server
+
+
+#### Write tasks in app_name/tasks.py
 
-```
 ops/tasks.py
 
+```
 from __future__ import absolute_import
 
 import time
@@ -30,26 +34,22 @@ def longtime_add(x, y):
     return x + y
 ```
 
-* Run celery in development 
+#### Run celery in development 
+
 ```
-# cd apps
-# celery -A common worker -l info 
+$ cd apps
+$ celery -A common worker -l info 
 ```
 
-* Test using task
+#### Test using task
+
 ```
-# ./manage.py shell
+$ ./manage.py shell
 >>> from ops.tasks import longtime_add
 >>> res = longtime_add.delay(1, 2)
 >>> res.get()
 ```
 
-### celery usage of jumpserver
-Jumpserver use celery to run task async. Using redis as the broker, so you should run a redis instance, Let’s start it
 
-**Run redis server **
-'' $ yum -y install redis
-'' or
-'' $ docker run -name jumpserver-redis -d -p 6379:6379 redis redis-server
 
-**
\ No newline at end of file
+