diff --git a/paddle/fluid/operators/beam_search_op.cc b/paddle/fluid/operators/beam_search_op.cc
index c1ff262169a519d0555823978a10b5bb29b999e5..a27d197d1c2e7356cc3adc43c8686c3498384b02 100644
--- a/paddle/fluid/operators/beam_search_op.cc
+++ b/paddle/fluid/operators/beam_search_op.cc
@@ -254,7 +254,6 @@ class BeamSearchOp : public framework::OperatorWithKernel {
   }
 };
 
-
 class BeamSearchInferVarType : public framework::VarTypeInference {
  public:
   void operator()(const framework::OpDesc &op_desc,
@@ -271,7 +270,6 @@ class BeamSearchInferVarType : public framework::VarTypeInference {
 }  // namespace operators
 }  // namespace paddle
 
-
 namespace ops = paddle::operators;
 
 REGISTER_OPERATOR(beam_search, ops::BeamSearchOp, ops::BeamSearchOpMaker,