diff --git a/README.md b/README.md
index 00640e8..18323f8 100644
--- a/README.md
+++ b/README.md
@@ -140,6 +140,15 @@ subnet_public_key = IcAgent::SyetemState.subnet_public_key(agent, "gvbup-jyaaa-a
 
 Create a canister instance with candid interface file and canister id, and call canister method with canister instance:
 
+```ruby
+gov_canister = IcAgent::Canister.new(@agent, @gov_canister_id, @gov_didl)
+res = gov_canister.get_neuron_ids()
+```
+
+#### 8. canister: ledger, management, cycles wallet ..
+
+canister common tools:
+
 ```ruby
 ledger = IcAgent::Common::Ledger.new
 ledger.canister.name()
diff --git a/lib/ic_agent/version.rb b/lib/ic_agent/version.rb
index 95362b9..7455be9 100644
--- a/lib/ic_agent/version.rb
+++ b/lib/ic_agent/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module IcAgent
-  VERSION = '0.1.0'
+  VERSION = '0.1.1'
 end