diff --git a/src/main/java/com/rj/entity/LbDepartmentUser.java b/src/main/java/com/rj/entity/LbDepartmentUser.java
index cbbb1f5..a8d2936 100644
--- a/src/main/java/com/rj/entity/LbDepartmentUser.java
+++ b/src/main/java/com/rj/entity/LbDepartmentUser.java
@@ -56,7 +56,7 @@ public class LbDepartmentUser implements Serializable {
     private String industry;
 
     @TableField("org_chain")
-    @Schema(description = "上级链条（从直接上级到根上级，逗号分隔的用户ID）")
+    @Schema(description = "上级链条（从直接上级到根上级，节点内 id,name,phone 逗号分隔，节点间 -> 连接）")
     private String orgChain;
 
     @TableField("join_date")
diff --git a/src/main/java/com/rj/service/impl/LbDepartmentUserServiceImpl.java b/src/main/java/com/rj/service/impl/LbDepartmentUserServiceImpl.java
index f1bab28..d8ab0f2 100644
--- a/src/main/java/com/rj/service/impl/LbDepartmentUserServiceImpl.java
+++ b/src/main/java/com/rj/service/impl/LbDepartmentUserServiceImpl.java
@@ -513,8 +513,11 @@ public class LbDepartmentUserServiceImpl extends ServiceImpl<LbDepartmentUserMap
         }
     }
 
+    private static final String ORG_CHAIN_NODE_SEPARATOR = "->";
+
     /**
-     * 沿 lb_user.pid 向上追溯，构建从直接上级到根上级的用户ID链条。
+     * 沿 lb_user.pid 向上追溯，构建从直接上级到根上级的链条。
+     * 格式：id,name,phone->id,name,phone->...（节点内逗号分隔，节点间箭头连接）
      */
     private String buildOrgChain(Long userId, Map<Long, LbUser> userById) {
         LbUser current = userById.get(userId);
@@ -522,21 +525,52 @@ public class LbDepartmentUserServiceImpl extends ServiceImpl<LbDepartmentUserMap
             return null;
         }
 
-        List<String> chain = new ArrayList<>();
+        List<String> nodes = new ArrayList<>();
         Set<Long> visited = new HashSet<>();
         Long pid = current.getPid();
         while (pid != null && pid > 0) {
             if (!visited.add(pid)) {
                 break;
             }
-            chain.add(String.valueOf(pid));
-            LbUser parent = userById.get(pid);
-            if (parent == null) {
-                break;
+            Long currentPid = pid;
+            LbUser parent = userById.get(currentPid);
+            String name;
+            String phone;
+            if (parent != null) {
+                name = sanitizeOrgChainField(resolveDisplayName(parent));
+                phone = sanitizeOrgChainField(parent.getMobile());
+                pid = parent.getPid();
+            } else {
+                name = "";
+                phone = "";
+                pid = null;
             }
-            pid = parent.getPid();
+            nodes.add(formatOrgChainNode(currentPid, name, phone));
         }
-        return chain.isEmpty() ? null : String.join(",", chain);
+        return nodes.isEmpty() ? null : String.join(ORG_CHAIN_NODE_SEPARATOR, nodes);
+    }
+
+    /**
+     * 节点格式：id；有 name/phone 时才追加逗号，避免末尾出现多余的 , 或 ,,
+     */
+    private static String formatOrgChainNode(Long currentPid, String name, String phone) {
+        StringBuilder sb = new StringBuilder(String.valueOf(currentPid));
+        if (!name.isEmpty()) {
+            sb.append(',').append(name);
+        }
+        if (!phone.isEmpty()) {
+            sb.append(',').append(phone);
+        }
+        return sb.toString();
+    }
+
+    private static String sanitizeOrgChainField(String value) {
+        if (value == null) {
+            return "";
+        }
+        return value.trim()
+                .replace(",", "")
+                .replace(ORG_CHAIN_NODE_SEPARATOR, "");
     }
 
     private String resolveDisplayName(LbUser user) {
diff --git a/src/main/sql/lb_department_user_alter_add_org_chain.sql b/src/main/sql/lb_department_user_alter_add_org_chain.sql
index 1af5547..bae4d51 100644
--- a/src/main/sql/lb_department_user_alter_add_org_chain.sql
+++ b/src/main/sql/lb_department_user_alter_add_org_chain.sql
@@ -1,2 +1,2 @@
 ALTER TABLE `lb_department_user`
-    ADD COLUMN `org_chain` VARCHAR(2000) DEFAULT NULL COMMENT '上级链条（从直接上级到根上级，逗号分隔的用户ID）' AFTER `industry`;
+    ADD COLUMN `org_chain` VARCHAR(2000) DEFAULT NULL COMMENT '上级链条（从直接上级到根上级，节点内 id,name,phone 逗号分隔，节点间 -> 连接）' AFTER `industry`;