diff --git a/paddle/fluid/operators/tensorrt_engine_op_test.cc b/paddle/fluid/operators/tensorrt_engine_op_test.cc
index b6e285dc5dc4ae903213718348e7a33f60fae8a7..37657fa0b0498986fe67027415279af1775e58b9 100644
--- a/paddle/fluid/operators/tensorrt_engine_op_test.cc
+++ b/paddle/fluid/operators/tensorrt_engine_op_test.cc
@@ -103,7 +103,8 @@ TEST(TensorRTEngineOp, manual) {
   SetAttr<std::string>(engine_op_desc.Proto(), "engine_uniq_key", "a_engine");
   SetAttr<std::vector<std::string>>(engine_op_desc.Proto(), "parameters",
                                     std::vector<std::string>({}));
-  SetAttr<std::vector<std::string>>(engine_op_desc.Proto(), "output_name_mapping",
+  SetAttr<std::vector<std::string>>(engine_op_desc.Proto(),
+                                    "output_name_mapping",
                                     std::vector<std::string>({"z0"}));
 
   LOG(INFO) << "create engine op";
@@ -198,7 +199,8 @@ void Execute(int batch_size, int input_dim, int output_dim, int nlayers = 1) {
       std::vector<std::string>({"y0", "y1", "y2", "y3"}));
   SetAttr<std::string>(engine_op_desc.Proto(), "engine_uniq_key", "b_engine");
 
-  SetAttr<std::vector<std::string>>(engine_op_desc.Proto(), "output_name_mapping",
+  SetAttr<std::vector<std::string>>(engine_op_desc.Proto(),
+                                    "output_name_mapping",
                                     std::vector<std::string>({"z3"}));
 
   auto engine_op = framework::OpRegistry::CreateOp(*engine_op_desc.Proto());