diff --git a/src/runtime-rs/crates/service/src/manager.rs b/src/runtime-rs/crates/service/src/manager.rs
index 9d6bbf6d58..f224675dc2 100644
--- a/src/runtime-rs/crates/service/src/manager.rs
+++ b/src/runtime-rs/crates/service/src/manager.rs
@@ -53,47 +53,6 @@ impl std::fmt::Debug for ServiceManager {
     }
 }
 
-async fn send_event(
-    containerd_binary: String,
-    address: String,
-    namespace: String,
-    event: Arc<dyn Event>,
-) -> Result<()> {
-    let any = Any {
-        type_url: event.type_url(),
-        value: event.value().context("get event value")?,
-        ..Default::default()
-    };
-    let data = any.write_to_bytes().context("write to any")?;
-    let mut child = Command::new(containerd_binary)
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .stderr(Stdio::piped())
-        .args([
-            "--address",
-            &address,
-            "publish",
-            "--topic",
-            &event.r#type(),
-            "--namespace",
-            &namespace,
-        ])
-        .spawn()
-        .context("spawn containerd cmd to publish event")?;
-
-    let stdin = child.stdin.as_mut().context("failed to open stdin")?;
-    stdin
-        .write_all(&data)
-        .await
-        .context("failed to write to stdin")?;
-    let output = child
-        .wait_with_output()
-        .await
-        .context("failed to read stdout")?;
-    info!(sl!(), "get output: {:?}", output);
-    Ok(())
-}
-
 impl ServiceManager {
     // TODO: who manages lifecycle for `task_server_fd`?
     pub async fn new(
@@ -137,14 +96,7 @@ impl ServiceManager {
                     }
                     Action::Event(event) => {
                         info!(sl!(), "get event {:?}", &event);
-                        send_event(
-                            self.binary.clone(),
-                            self.address.clone(),
-                            self.namespace.clone(),
-                            event,
-                        )
-                        .await
-                        .context("send event")
+                        self.send_event(event).await.context("send event")
                     }
                 };
 
@@ -202,4 +154,40 @@ impl ServiceManager {
         }
         Ok(())
     }
+
+    async fn send_event(&self, event: Arc<dyn Event>) -> Result<()> {
+        let any = Any {
+            type_url: event.type_url(),
+            value: event.value().context("get event value")?,
+            ..Default::default()
+        };
+        let data = any.write_to_bytes().context("write to any")?;
+        let mut child = Command::new(&self.binary)
+            .stdin(Stdio::piped())
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .args([
+                "--address",
+                &self.address,
+                "publish",
+                "--topic",
+                &event.r#type(),
+                "--namespace",
+                &self.namespace,
+            ])
+            .spawn()
+            .context("spawn containerd cmd to publish event")?;
+
+        let stdin = child.stdin.as_mut().context("failed to open stdin")?;
+        stdin
+            .write_all(&data)
+            .await
+            .context("failed to write to stdin")?;
+        let output = child
+            .wait_with_output()
+            .await
+            .context("failed to read stdout")?;
+        info!(sl!(), "get output: {:?}", output);
+        Ok(())
+    }
 }