diff --git a/changelog.md b/changelog.md
index d29718aa..6a09d005 100755
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,7 @@
 
 ## 日常更新
 
+- 2025-07-22: 修复当objClass被代理后，获取不到interface BUG
 - 2025-06-15：新增帮助文档管理。有升级SQL，见：[sop-20250615.sql](./upgrade/sop-20250615.sql)
 - 2025-06-11：java-sdk添加文件下载示例
 - 2025-06-01：OpenContext添加charset字段
diff --git a/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/register/ApiRegister.java b/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/register/ApiRegister.java
index f48cbeaf..8d2e1b3d 100755
--- a/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/register/ApiRegister.java
+++ b/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/register/ApiRegister.java
@@ -99,7 +99,15 @@ public class ApiRegister {
         }*/
 
         Set<Method> cache = new HashSet<>();
-        Class<?>[] interfaces = objClass.getInterfaces();
+        Set<Class<?>> interfaceSet = new HashSet<>();
+        Class<?> current = objClass;
+        while (current != null) {
+            for (Class<?> iface : current.getInterfaces()) {
+                interfaceSet.add(iface);
+            }
+            current = current.getSuperclass();
+        }
+        Class<?>[] interfaces = interfaceSet.toArray(new Class<?>[0]);
         for (Class<?> interfaceClass : interfaces) {
             for (Method method : interfaceClass.getMethods()) {
                 Open open = method.getAnnotation(Open.class);