diff --git a/paddle_hub/module_desc.proto b/paddle_hub/module_desc.proto
index 3555ffb01ad34c90cf3a3f10d8b6fbc136e34156..516408a0332030dc9068f324b829cef63ab9bc35 100755
--- a/paddle_hub/module_desc.proto
+++ b/paddle_hub/module_desc.proto
@@ -51,6 +51,8 @@ message ModuleDesc {
   
   // signature to module variable
   map<string, ModuleVar> sign2var = 2;
+  
+  repeated Parameter parameters = 3;
 
   bool return_numpy = 4;