diff --git a/content/en/docs/volo/cli/getting-started/_index.md b/content/en/docs/volo/cli/getting-started/_index.md
index 23907ff3f6f..082eabe3751 100644
--- a/content/en/docs/volo/cli/getting-started/_index.md
+++ b/content/en/docs/volo/cli/getting-started/_index.md
@@ -94,7 +94,6 @@ At this point, our entire catalog is structured as follows:
 ├── Cargo.toml
 ├── idl
 │   └── rpc_example.thrift
-├── rust-toolchain.toml
 ├── src
 │   ├── bin
 │   │   └── server.rs
diff --git a/content/en/docs/volo/guide/metadata.md b/content/en/docs/volo/guide/metadata.md
index 17ebac55e13..63aa8a35177 100644
--- a/content/en/docs/volo/guide/metadata.md
+++ b/content/en/docs/volo/guide/metadata.md
@@ -37,7 +37,6 @@ use metainfo::{Backward, Forward};
 
 pub struct S;
 
-#[volo::async_trait]
 impl volo_gen::volo::example::ItemService for S {
     async fn get_item(
         &self,
diff --git a/content/en/docs/volo/volo-grpc/getting-started/_index.md b/content/en/docs/volo/volo-grpc/getting-started/_index.md
index f23543ef99b..2bb838ed475 100644
--- a/content/en/docs/volo/volo-grpc/getting-started/_index.md
+++ b/content/en/docs/volo/volo-grpc/getting-started/_index.md
@@ -91,7 +91,6 @@ At this point, our entire directory structure looks like this:
 ├── Cargo.toml
 ├── idl
 │   └── volo_example.proto
-├── rust-toolchain.toml
 ├── src
 │   ├── bin
 │   │   └── server.rs
diff --git a/content/en/docs/volo/volo-thrift/getting-started/_index.md b/content/en/docs/volo/volo-thrift/getting-started/_index.md
index 337e5e6db68..55bfdfc1e68 100644
--- a/content/en/docs/volo/volo-thrift/getting-started/_index.md
+++ b/content/en/docs/volo/volo-thrift/getting-started/_index.md
@@ -90,7 +90,6 @@ At this point, our entire directory structure looks like this:
 ├── Cargo.toml
 ├── idl
 │   └── volo_example.thrift
-├── rust-toolchain.toml
 ├── src
 │   ├── bin
 │   │   └── server.rs
diff --git a/content/zh/docs/volo/cli/getting-started/_index.md b/content/zh/docs/volo/cli/getting-started/_index.md
index 51e6bef01ea..dc0eb4f9632 100644
--- a/content/zh/docs/volo/cli/getting-started/_index.md
+++ b/content/zh/docs/volo/cli/getting-started/_index.md
@@ -93,7 +93,6 @@ service ItemService {
 ├── Cargo.toml
 ├── idl
 │   └── rpc_example.thrift
-├── rust-toolchain.toml
 ├── src
 │   ├── bin
 │   │   └── server.rs
diff --git a/content/zh/docs/volo/guide/metadata.md b/content/zh/docs/volo/guide/metadata.md
index e5cf4c8d11a..76a2170cc7e 100644
--- a/content/zh/docs/volo/guide/metadata.md
+++ b/content/zh/docs/volo/guide/metadata.md
@@ -38,7 +38,6 @@ use metainfo::{Backward, Forward};
 
 pub struct S;
 
-#[volo::async_trait]
 impl volo_gen::volo::example::ItemService for S {
     async fn get_item(
         &self,
diff --git a/content/zh/docs/volo/volo-grpc/getting-started/_index.md b/content/zh/docs/volo/volo-grpc/getting-started/_index.md
index ab926de232a..58f139ef000 100644
--- a/content/zh/docs/volo/volo-grpc/getting-started/_index.md
+++ b/content/zh/docs/volo/volo-grpc/getting-started/_index.md
@@ -92,7 +92,6 @@ volo idl add -g git@github.com:org/repo.git -r main /path/to/your/idl.proto
 ├── Cargo.toml
 ├── idl
 │   └── volo_example.proto
-├── rust-toolchain.toml
 ├── src
 │   ├── bin
 │   │   └── server.rs
diff --git a/content/zh/docs/volo/volo-thrift/getting-started/_index.md b/content/zh/docs/volo/volo-thrift/getting-started/_index.md
index 955bfb76879..604707f4dd2 100644
--- a/content/zh/docs/volo/volo-thrift/getting-started/_index.md
+++ b/content/zh/docs/volo/volo-thrift/getting-started/_index.md
@@ -91,7 +91,6 @@ volo idl add -g git@github.com:org/repo.git -r main /path/to/your/idl.thrift
 ├── Cargo.toml
 ├── idl
 │   └── volo_example.thrift
-├── rust-toolchain.toml
 ├── src
 │   ├── bin
 │   │   └── server.rs
@@ -109,7 +108,6 @@ volo idl add -g git@github.com:org/repo.git -r main /path/to/your/idl.thrift
 ```rust
 pub struct S;
 
-#[volo::async_trait]
 impl volo_gen::volo::example::ItemService for S {
     // 这部分是我们需要增加的代码
     async fn get_item(