diff --git a/paddle/fluid/operators/distributed_ops/recv_op.cc b/paddle/fluid/operators/distributed_ops/recv_op.cc
index afbf7a4a234a8c84912142b748907dc011623ebd..3fd0700a077321d931e87b1d94c3637d167c9eff 100644
--- a/paddle/fluid/operators/distributed_ops/recv_op.cc
+++ b/paddle/fluid/operators/distributed_ops/recv_op.cc
@@ -131,7 +131,7 @@ This operator can get variables from server side.
         "(vector<string>) "
         "the splited parameter varnames to be recved from pserver")
         .SetDefault(std::vector<std::string>{});
-    AddAttr<bool>("do_not_run", "").SetDefault(false);
+    AddAttr<bool>("do_not_run", "if recv need to really run").SetDefault(false);
   }
 };