diff --git a/src/handler/point.rs b/src/handler/point.rs
index ed3b469..e38870c 100644
--- a/src/handler/point.rs
+++ b/src/handler/point.rs
@@ -17,9 +17,9 @@ use plc_platform_core::util::{
 };
 
 use crate::{
-    model::{Node, Point},
     AppState,
 };
+use plc_platform_core::model::{Node, Point};
 
 async fn notify_units(
     state: &AppState,
@@ -690,3 +690,4 @@ fn monitor_value_to_number(item: &crate::telemetry::PointMonitorInfo) -> Option<
         _ => None,
     }
 }
+
diff --git a/src/handler/source.rs b/src/handler/source.rs
index 630a98d..33f8dc9 100644
--- a/src/handler/source.rs
+++ b/src/handler/source.rs
@@ -13,8 +13,9 @@ use std::collections::{HashMap, VecDeque};
 
 use plc_platform_core::util::response::ApiErr;
 
-use crate::{AppState, model::{Node, Source}};
 use anyhow::{Context};
+use plc_platform_core::model::{Node, Source};
+use crate::AppState;
 use sqlx::QueryBuilder;
 
 // 树节点结构体
@@ -54,7 +55,7 @@ impl TreeNode {
 }
 
 
-// 带连接状态的Source响应结构体
+// 带连接状态的Source响应结构�?
 #[derive(Debug, Serialize, Clone)]
 pub struct SourceWithStatus {
     #[serde(flatten)]
@@ -100,14 +101,14 @@ pub async fn get_source_list(State(state): State<AppState>) -> Result<impl IntoR
     let pool = &state.pool;
     let sources: Vec<Source> = crate::service::get_all_enabled_sources(pool).await?;
 
-    // 获取所有连接状态
+    // 获取所有连接状�?
     let status_map: std::collections::HashMap<Uuid, (bool, Option<String>, Option<DateTime<Utc>>)> = 
         state.connection_manager.get_all_status().await
         .into_iter()
         .map(|(source_id, s)| (source_id, (s.is_connected, s.last_error, Some(s.last_time))))
         .collect();
 
-    // 组合Source和连接状态
+    // 组合Source和连接状�?
     let sources_with_status: Vec<SourceWithStatus> = sources
         .into_iter()
         .map(|source| {
@@ -133,7 +134,7 @@ pub async fn get_node_tree(
 ) -> Result<impl IntoResponse, ApiErr> {
     let pool = &state.pool;
     
-    // 查询所有属于该source的节点
+    // 查询所有属于该source的节�?
     let nodes: Vec<Node> = sqlx::query_as::<_, Node>(
         r#"SELECT * FROM node WHERE source_id = $1 ORDER BY created_at"#,
     )
@@ -141,7 +142,7 @@ pub async fn get_node_tree(
     .fetch_all(pool)
     .await?;
     
-    // 构建节点树
+    // 构建节点�?
     let tree = build_node_tree(nodes);
     
     Ok(Json(tree))
@@ -152,7 +153,7 @@ fn build_node_tree(nodes: Vec<Node>) -> Vec<TreeNode> {
     let mut children_map: HashMap<Uuid, Vec<Uuid>> = HashMap::new();
     let mut roots: Vec<Uuid> = Vec::new();
 
-    // ① 转换 + 记录 parent 关系
+    // �?转换 + 记录 parent 关系
     for node in nodes {
         let tree_node = TreeNode::from_node(node);
         let id = tree_node.id;
@@ -166,7 +167,7 @@ fn build_node_tree(nodes: Vec<Node>) -> Vec<TreeNode> {
         node_map.insert(id, tree_node);
     }
 
-    // ② 递归构建
+    // �?递归构建
     fn attach_children(
         id: Uuid,
         node_map: &mut HashMap<Uuid, TreeNode>,
@@ -185,7 +186,7 @@ fn build_node_tree(nodes: Vec<Node>) -> Vec<TreeNode> {
         Some(node)
     }
 
-    // ③ 生成最终树
+    // �?生成最终树
     roots
         .into_iter()
         .filter_map(|rid| attach_children(rid, &mut node_map, &children_map))
@@ -411,7 +412,7 @@ pub async fn browse_and_save_nodes(
 }
 
 ////////////////////////////////////////////////////////////////
-// 浏览单个节点（含 continuation）
+// 浏览单个节点（含 continuation�?
 ////////////////////////////////////////////////////////////////
 
 async fn browse_single_node(
@@ -468,7 +469,7 @@ async fn browse_single_node(
 }
 
 ////////////////////////////////////////////////////////////////
-// 处理单个 Reference（核心优化版）
+// 处理单个 Reference（核心优化版�?
 ////////////////////////////////////////////////////////////////
 
 async fn process_reference(
@@ -604,7 +605,7 @@ async fn load_namespace_map(
     let result = session.read(&[read_request], TimestampsToReturn::Neither, 0f64).await
         .context("Failed to read namespace map")?;
 
-    // 解析并构建命名空间映射
+    // 解析并构建命名空间映�?
     let mut map = HashMap::new();
     if let Some(value) = &result[0].value {
         if let Variant::Array(array) = value {
@@ -622,3 +623,4 @@ async fn load_namespace_map(
 }
 
 
+
diff --git a/src/service/equipment.rs b/src/service/equipment.rs
index 6cb31c7..7576683 100644
--- a/src/service/equipment.rs
+++ b/src/service/equipment.rs
@@ -1,7 +1,7 @@
 use crate::{
     handler::equipment::EquipmentListItem,
-    model::{Equipment, Point},
 };
+use plc_platform_core::model::{Equipment, Point};
 use sqlx::{query_as, PgPool, Row};
 use uuid::Uuid;
 
@@ -307,3 +307,4 @@ mod tests {
         assert_eq!(equipment_order_clause(), "e.code");
     }
 }
+