diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0c4e30..d978aff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # CHANGELOG
 
+## 6.16,2024
+* change tonic grpc into poem_grpc,easy use.
+
 ## 6.2,2024
 * add tonic, grpc
 * add tmq, zeromq 
diff --git a/Cargo.toml b/Cargo.toml
index 8eec0d7..0d7454f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -204,11 +204,11 @@ name = "quic_server"
 path = "examples/quic/server.rs"
 
 [[example]]
-name = "grpc-helloworld-client"
+name = "grpc-client"
 path = "examples/grpc_poem/helloworld/src/client.rs"
 
 [[example]]
-name = "grpc-helloworld-server"
+name = "grpc-server"
 path = "examples/grpc_poem/helloworld/src/server.rs"
 [[example]]
 name = "grpc-jsoncodec-server"
diff --git a/README.md b/README.md
index b8e1192..3ed28e2 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@
 |plot|plotly|plot data all you want|plot to web,easy than plotters|
 |zenoh|dds|pubsub dds ipc for ros |new realtime(10us) ipc |
 |iceoryx2|dds|pubsub dds ipc for ros |new realtime(10us) ipc |
-|tonic| |grpc   |⚠️ proto genarate .rs files   |
+|poem_grpc| |tonic grpc   |put ./proto build.rs files same as cargo.toml path |
 |axum websocket| |websocket   | axum example ,tokio-tungstenite |
 |quinn quic| |quic http3   | quic http3 client server |
 ## examples
@@ -38,7 +38,7 @@
 |zenoh_pub,zenoh_sub|pub sub|pub sub|
 |ice_pub,ice_sub|pub sub|pub sub|
 |discovery|iceoryx2 discovery| |
-|grpc_client,grpc_server| |⚠️ proto genarate .rs files   |
+|grpc-client,grpc-server,grpc-jsoncodec-server|poem grpc examples ,with json codec | easy genarate proto   |
 |ws_client,ws_server| | websocket   |
 |quic_server,quic_client|quic,http3|quic,http3|
 ## vscode build