diff --git a/src/main/java/iet/ustb/sf/controller/TargetController.java b/src/main/java/iet/ustb/sf/controller/TargetController.java
index fe65a14..692f595 100644
--- a/src/main/java/iet/ustb/sf/controller/TargetController.java
+++ b/src/main/java/iet/ustb/sf/controller/TargetController.java
@@ -100,8 +100,7 @@ public class TargetController {
     @Operation(summary = "获取原子指标配置(指标库列表中点击衍生)")
     @PostMapping("/getDetailExpandTarget")
     public R<JSONObject> getDetailExpandTarget(@RequestBody JSONObject params) {
-        JSONObject result;
-        result = targetService.getDetailExpandTarget(params);
+        JSONObject result = targetService.getDetailExpandTarget(params);
         Page<?> list = tableColumnService.getDataByTableName(result.getJSONObject("list"));
         result.put("list", list);
         result.put("columnList", tableColumnService.getColumnsByTableName(result.getString("tableName")));
diff --git a/src/main/java/iet/ustb/sf/service/impl/TargetServiceImpl.java b/src/main/java/iet/ustb/sf/service/impl/TargetServiceImpl.java
index edaa0f8..0833616 100644
--- a/src/main/java/iet/ustb/sf/service/impl/TargetServiceImpl.java
+++ b/src/main/java/iet/ustb/sf/service/impl/TargetServiceImpl.java
@@ -456,9 +456,11 @@ public class TargetServiceImpl extends ServiceImpl<TargetMapper, Target>
         CheckUtils.checkEmpty(id, "指标ID");
         target = targetMapper.selectById(id);
         List<TargetOption> optionList = new ArrayList<>();
-        while (id != null) {
+        Target parent = targetMapper.selectById(id);
+        while (!StringUtils.isEmpty(id)) {
             optionList.addAll(0, targetOptionMapper.selectList(new QueryWrapper<TargetOption>().eq("target_id", id)));
-            id = target.getParent();
+            id = parent.getParent();
+            parent = targetMapper.selectById(id);
         }
         return getDetailTarget(optionList, target);
     }