diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2838509..e953b09 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,15 +1,22 @@
-# plugin-2024083102
+# plugin-v2024090101
+## Components
+- monitor: 0.2.3 => 0.2.4
+
+## Bug fix
+1. Fix passive agent connect bug.
+
+# plugin-v2024083102
 ## Components
 - monitor: 0.2.2 => 0.2.3
 
 ## Bug fix
 1. Fix postgres backend bug.
 
-# 0.2.2
+# v0.2.2
 ## Bug fix
 1. Fix postgres backend bug.
 
-# plugin-2024083101
+# plugin-v2024083101
 ## Components
 - agent: 0.2.1 => 0.3.0
 - skynet_api_agent: 0.2.1 => 0.3.0
@@ -19,15 +26,15 @@
 1. `agent`: Support `restart` option.
 2. `monitor`, `skynet_api_agent`: Version check will depend on `agent` version instead of `skynet_api_agent` version.
 
-# 0.2.1
+# v0.2.1
 ## Bug fix
 1. Fix `no process-level CryptoProvider` for rustls 0.23. 
 
-# plugin-0.2.1
+# plugin-v0.2.1
 ## Bug fix
 1. Fix `no process-level CryptoProvider` for rustls 0.23. 
 
-# 0.2.0
+# v0.2.0
 ## Breaking changes
 1. `skynet` crate is split to `skynet` and `skynet_api`, plugins now should depend on `skynet_api`.
 2. Based on new framework `actix-cloud`.
@@ -41,7 +48,7 @@
 ## Bug fix
 1. Fix a bug that prevent success logs written to the database.
 
-# plugin-0.2.0
+# plugin-v0.2.0
 ## Breaking changes
 1. Compatible to the new `skynet_api` design.
 2. Redesign C/S framework.
@@ -49,12 +56,12 @@
 ## New features
 1. Support passive agents.
 
-# plugin-0.1.1
+# plugin-v0.1.1
 ## Bug fix
 1. Fix segmentation fault when loading plugins.
 2. Fix monitor database foreign key error.
 
-# 0.1.1
+# v0.1.1
 ## Changes
 1. `listen.ssl` will only raise warning when `proxy.enable` is `false`.
 
@@ -66,5 +73,5 @@
 5. Fix plugin segmentation fault in some systems.
 6. Fix segmentation fault when shared API is enabled.
 
-# 0.1.0
+# v0.1.0
 First version of skynet!
\ No newline at end of file
diff --git a/plugin/monitor/src/api.rs b/plugin/monitor/src/api.rs
index b9babf7..558337a 100644
--- a/plugin/monitor/src/api.rs
+++ b/plugin/monitor/src/api.rs
@@ -137,6 +137,7 @@ pub async fn add_passive_agents(param: Json<AddPassiveAgentsReq>) -> RspResult<i
         .create_passive(&tx, &param.name, &param.address, param.retry_time)
         .await?;
     tx.commit().await?;
+    srv.server.connect(&m.id);
 
     info!(
         success = true,
diff --git a/plugin/monitor/src/service.rs b/plugin/monitor/src/service.rs
index 6cefe3c..579e565 100644
--- a/plugin/monitor/src/service.rs
+++ b/plugin/monitor/src/service.rs
@@ -53,6 +53,9 @@ impl Service {
         Ok(())
     }
 
+    /// Create passive agents.
+    ///
+    /// This method will NOT add agent to server, please invoke `connect` AFTER commit `db`.
     pub async fn create_passive(
         &self,
         db: &DatabaseTransaction,
@@ -60,16 +63,15 @@ impl Service {
         address: &str,
         retry_time: i32,
     ) -> Result<passive_agents::Model> {
-        let ret = passive_agents::ActiveModel {
+        passive_agents::ActiveModel {
             name: Set(name.to_owned()),
             address: Set(address.to_owned()),
             retry_time: Set(retry_time),
             ..Default::default()
         }
         .insert(db)
-        .await?;
-        self.server.connect(&ret.id);
-        Ok(ret)
+        .await
+        .map_err(Into::into)
     }
 
     pub async fn delete_passive(&self, db: &DatabaseTransaction, paid: &[HyUuid]) -> Result<u64> {