diff --git a/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/ObjReflect.java b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/ObjReflect.java
index 46da48a..d3ec8c6 100644
--- a/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/ObjReflect.java
+++ b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/ObjReflect.java
@@ -11,13 +11,21 @@ public class ObjReflect {
     }
 
     public static Object getValue(Object obj, String fieldName) {
-        try {
-            Field field = obj.getClass().getDeclaredField(fieldName);
-            field.setAccessible(true);
-            return field.get(obj);
-        } catch (Exception e) {
-            return null;
+        Class<?> clazz = obj.getClass();
+        while (clazz != null) {
+            try {
+                Field field = clazz.getDeclaredField(fieldName);
+                field.setAccessible(true);
+                return field.get(obj);
+            } catch (NoSuchFieldException e) {
+                // 未声明该字段继续向上查父类
+                clazz = clazz.getSuperclass();
+            } catch (Exception e) {
+                return null;
+            }
         }
+        // 整个链路没有该字段返回null
+        return null;
     }
 
     public static String getValueAsString(Object obj, String fieldName) {