diff --git a/src/sql/engine/expr/ob_expr_udf.cpp b/src/sql/engine/expr/ob_expr_udf.cpp
index 7a82f03499..9cc7b4bac0 100644
--- a/src/sql/engine/expr/ob_expr_udf.cpp
+++ b/src/sql/engine/expr/ob_expr_udf.cpp
@@ -368,6 +368,15 @@ int ObExprUDF::process_out_params(const ObObj *objs_stack,
         } else {
           OZ (deep_copy_obj(*pkg_allocator, obj, obj));
         }
+        OZ (ObSPIService::spi_set_package_variable(
+              &exec_ctx,
+              NULL,
+              params_desc.at(i).get_package_id(),
+              params_desc.at(i).get_index(),
+              iparams.at(i)));
+        int tmp_ret = OB_SUCCESS;
+        tmp_ret = pl::ObUserDefinedType::destruct_obj(iparams.at(i), exec_ctx.get_my_session());
+        ret = OB_SUCCESS == ret ? tmp_ret : ret;
       }
     }
   }