diff --git a/src/pages/Container/EnterpriseInfo/DepartmentPosition/index.js b/src/pages/Container/EnterpriseInfo/DepartmentPosition/index.js
index d147edd..6aa21de 100644
--- a/src/pages/Container/EnterpriseInfo/DepartmentPosition/index.js
+++ b/src/pages/Container/EnterpriseInfo/DepartmentPosition/index.js
@@ -119,7 +119,19 @@ function DepartmentPositionPage(props) {
       const tree = res?.data || [];
       setTreeData(tree);
       if (tree.length) {
-        setSelectedDept(tree[0]);
+        const findById = (nodes, id) => {
+          for (const n of nodes) {
+            if (n.id === id) return n;
+            if (n.children?.length) {
+              const found = findById(n.children, id);
+              if (found) return found;
+            }
+          }
+          return null;
+        };
+        const matched = selectedDept?.id && findById(tree, selectedDept.id);
+        console.log(matched);
+        setSelectedDept(matched || tree[0]);
       }
     } catch (err) {
       console.warn("[DepartmentPosition] loadTree failed:", err);