diff --git a/core/src/server/delivery/request/BaseRequest.h b/core/src/server/delivery/request/BaseRequest.h
index f3d70d7934..d00a20a6c3 100644
--- a/core/src/server/delivery/request/BaseRequest.h
+++ b/core/src/server/delivery/request/BaseRequest.h
@@ -211,7 +211,7 @@ class BaseRequest {
     TableNotExistMsg(const std::string& table_name);
 
  protected:
-    const std::shared_ptr<milvus::server::Context>& context_;
+    const std::shared_ptr<milvus::server::Context> context_;
 
     mutable std::mutex finish_mtx_;
     std::condition_variable finish_cond_;