diff --git a/README.md b/README.md
index abe56911..b485c345 100644
--- a/README.md
+++ b/README.md
@@ -89,11 +89,11 @@ make install
 
 2. Add config yaml at `~/.zcn/config.yaml`
 
-The following script sets `https://demo.zus.network` as your network.
+The following script sets `https://mainnet.zus.network` as your network.
 
 ```sh
 cat > ~/.zcn/config.yaml << EOF
-block_worker: https://demo.zus.network/dns
+block_worker: https://mainnet.zus.network/dns
 signature_scheme: bls0chain
 min_submit: 50 # in percentage
 min_confirmation: 50 # in percentage
diff --git a/network/config.yaml b/network/config.yaml
index 7df4f704..f59b2eb8 100644
--- a/network/config.yaml
+++ b/network/config.yaml
@@ -1,5 +1,5 @@
 ---
-block_worker: http://demo.zus.network/dns
+block_worker: http://mainnet.zus.network/dns
 signature_scheme: bls0chain
 min_submit: 50
 min_confirmation: 50