diff --git a/README.md b/README.md
index e429413a..efadf79c 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ And then execute:
 
     $ bundle install
 
-Or if you just want to use it in a console:
+If you just want to use it in a console:
 
 ```
 git clone https://github.com/nervosnetwork/ckb-sdk-ruby.git
@@ -44,6 +44,18 @@ bundle install
 bundle exec bin/console
 ```
 
+It is also possible to install this gem into system:
+
+```
+bundle exec rake install
+```
+
+Now you should be able to run a console using the command:
+
+```
+ckb-console
+```
+
 ## Usage
 
 RPC interface returns parsed `JSON` object
diff --git a/exe/ckb-console b/exe/ckb-console
new file mode 100755
index 00000000..eb06dc47
--- /dev/null
+++ b/exe/ckb-console
@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+
+require "ckb"
+
+begin
+  require "pry"
+  Pry.start
+rescue LoadError
+  require "irb"
+  IRB.start
+end