diff --git a/ecstore/src/bucket/mod.rs b/ecstore/src/bucket/mod.rs
index 914b8deaf..ac07a6e30 100644
--- a/ecstore/src/bucket/mod.rs
+++ b/ecstore/src/bucket/mod.rs
@@ -7,4 +7,5 @@ mod policy;
 mod quota;
 mod replication;
 mod tags;
+mod target;
 mod versioning;
diff --git a/ecstore/src/bucket/target/mod.rs b/ecstore/src/bucket/target/mod.rs
new file mode 100644
index 000000000..c2f2aecfd
--- /dev/null
+++ b/ecstore/src/bucket/target/mod.rs
@@ -0,0 +1,100 @@
+use time::OffsetDateTime;
+
+#[derive(Debug)]
+pub struct Credentials {
+    access_key: String,
+    secret_key: String,
+    session_token: Option<String>,
+    expiration: Option<OffsetDateTime>,
+}
+
+#[derive(Debug)]
+pub enum ServiceType {
+    Replication,
+}
+
+// pub struct LatencyStat {
+//     curr: Duration, // 当前延迟
+//     avg: Duration,  // 平均延迟
+//     max: Duration,  // 最大延迟
+// }
+
+// #[derive(Serialize, Deserialize, Debug)]
+// pub struct LatencyStat {
+//     curr: Duration,
+//     avg: Duration,
+//     max: Duration,
+// }
+
+// // 定义BucketTarget结构体
+// #[derive(Serialize, Deserialize, Debug)]
+// pub struct BucketTarget {
+//     #[serde(rename = "sourcebucket")]
+//     source_bucket: String,
+
+//     #[serde(rename = "endpoint")]
+//     endpoint: String,
+
+//     #[serde(rename = "credentials")]
+//     credentials: Option<Credentials>,
+
+//     #[serde(rename = "targetbucket")]
+//     target_bucket: String,
+
+//     #[serde(rename = "secure")]
+//     secure: bool,
+
+//     #[serde(rename = "path", skip_serializing_if = "Option::is_none")]
+//     path: Option<String>,
+
+//     #[serde(rename = "api", skip_serializing_if = "Option::is_none")]
+//     api: Option<String>,
+
+//     #[serde(rename = "arn", skip_serializing_if = "Option::is_none")]
+//     arn: Option<String>,
+
+//     #[serde(rename = "type")]
+//     type_: ServiceType,
+
+//     #[serde(rename = "region", skip_serializing_if = "Option::is_none")]
+//     region: Option<String>,
+
+//     #[serde(rename = "bandwidthlimit")]
+//     bandwidth_limit: Option<i64>,
+
+//     #[serde(rename = "replicationSync")]
+//     replication_sync: bool,
+
+//     #[serde(rename = "storageclass", skip_serializing_if = "Option::is_none")]
+//     storage_class: Option<String>,
+
+//     #[serde(rename = "healthCheckDuration")]
+//     health_check_duration: Option<Duration>,
+
+//     #[serde(rename = "disableProxy")]
+//     disable_proxy: bool,
+
+//     #[serde(rename = "resetBeforeDate", skip_serializing_if = "Option::is_none")]
+//     reset_before_date: Option<SystemTime>,
+
+//     #[serde(rename = "resetID", skip_serializing_if = "Option::is_none")]
+//     reset_id: Option<String>,
+
+//     #[serde(rename = "totalDowntime")]
+//     total_downtime: Duration,
+
+//     #[serde(rename = "lastOnline")]
+//     last_online: SystemTime,
+
+//     #[serde(rename = "isOnline")]
+//     online: bool,
+
+//     #[serde(rename = "latency")]
+//     latency: LatencyStat,
+
+//     #[serde(rename = "deploymentID", skip_serializing_if = "Option::is_none")]
+//     deployment_id: Option<String>,
+
+//     #[serde(rename = "edge")]
+//     edge: bool,
+// }