diff --git a/interfaces/innerkits/samgr_proxy/include/iservice_registry.h b/interfaces/innerkits/samgr_proxy/include/iservice_registry.h
index caf8c3db4d8356f46c0f4170340f31d2cf8e3599..ee611c56434649e8eac7d33fefd74caeb4c12d84 100644
--- a/interfaces/innerkits/samgr_proxy/include/iservice_registry.h
+++ b/interfaces/innerkits/samgr_proxy/include/iservice_registry.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -62,7 +62,7 @@ private:
     static std::mutex serviceRegistryLock_;
 };
 
-class SystemAbilityManagerClient {
+class OHOS_EXPORT SystemAbilityManagerClient {
 public:
     static SystemAbilityManagerClient& GetInstance();
 
@@ -85,4 +85,4 @@ private:
 };
 } // namespace OHOS
 
-#endif // ZIPC_SERVICE_REGISTRY_INCLUDE_H
\ No newline at end of file
+#endif // ZIPC_SERVICE_REGISTRY_INCLUDE_H