diff --git a/paddle/framework/net.cc b/paddle/framework/net.cc
index f0c128d554b296d7fe5c6818d3911aaee5c0adce..73b3051235ee90b31bd65acb22f454fc13d64da9 100644
--- a/paddle/framework/net.cc
+++ b/paddle/framework/net.cc
@@ -11,7 +11,7 @@ void PlainNet::InferShape(Scope* scope) {
   }
 }
 
-void PlainNet::Run(Scope* scope, DeviceContext* ctx) {
+void PlainNet::Run(std::shared_ptr<Scope> scope, DeviceContext* ctx) {
   for (auto& op : ops_) {
     op.Run(ctx);
   }
diff --git a/paddle/framework/net.h b/paddle/framework/net.h
index b2894320dafdfaf9b8e0bffc8c863a2caae35a61..76992e07282904fd1074bb0ced2367a8d20e3ec2 100644
--- a/paddle/framework/net.h
+++ b/paddle/framework/net.h
@@ -69,7 +69,7 @@ class Net {
    * environment for ops. `begin` and `end` specify the scope of `ops_` to run,
    * If no positive indexes are provided, all operators in `ops_` will run.
    */
-  virtual void Run(Scope *scope, DeviceContext *ctx) = 0;
+  virtual void Run(std::shared_ptr<Scope> scope, DeviceContext *ctx) = 0;
 
   /**
    * @brief Add an Operator according to `def`.
@@ -123,7 +123,7 @@ class PlainNet : public Net {
    * scope will be used instead. If no OpContext is provicded, default context
    * will be used.
    */
-  virtual void Run(Scope *scope, DeviceContext *ctx) override;
+  virtual void Run(std::shared_ptr<Scope> scope, DeviceContext *ctx) override;
 
   /**
    * @brief Add an operator to this network.