diff --git a/paddle/fluid/operators/detail/send_recv.proto b/paddle/fluid/operators/detail/send_recv.proto
index 078181909dff93c875bcf42ca54b3b77a3e87af2..a244afc46f3247c7e6e8481b09b5c729a2a569f7 100644
--- a/paddle/fluid/operators/detail/send_recv.proto
+++ b/paddle/fluid/operators/detail/send_recv.proto
@@ -70,9 +70,9 @@ message VariableMessage {
   bytes rows = 9;
   // Look up table block execution output variable name.
   string out_varname = 10;
-  // If true, the ps server will start profiling, the ps
+  // If 1, the ps server will start profiling, the ps
   // server stops profiling and generates a profile to /tmp/profile_ps_*
-  // when profile switches from true to false.
+  // when profile switches from 1 to 2.
   int64 profile = 11;
 }