diff --git a/paddle/fluid/operators/reader/ctr_reader.cc b/paddle/fluid/operators/reader/ctr_reader.cc
index ca9a58615e01da4a4894edf75466301464d3aa83..e8edbf6602c1f0609cf7976623d5b70bbc80180d 100644
--- a/paddle/fluid/operators/reader/ctr_reader.cc
+++ b/paddle/fluid/operators/reader/ctr_reader.cc
@@ -261,7 +261,8 @@ static inline void parse_csv_line(
     string_split(slot_data, ',', &data_in_slot_str);
     std::vector<int64_t> data_in_slot;
     for (auto& data_str : data_in_slot_str) {
-      (*sparse_datas)[i].push_back(std::stol(data_str));
+      auto id = std::stol(data_str);
+      (*sparse_datas)[i].push_back(id);
     }
   }
 }
diff --git a/paddle/fluid/operators/reader/read_op.cc b/paddle/fluid/operators/reader/read_op.cc
index 97faade04284670d6281549acd00251b74c48146..8fe638ac2fdc6e0baed7d6cd3c57b72f23164129 100644
--- a/paddle/fluid/operators/reader/read_op.cc
+++ b/paddle/fluid/operators/reader/read_op.cc
@@ -36,7 +36,6 @@ class ReadInferShape : public framework::InferShapeBase {
       ctx->SetOutputsDim("Out", reader_dims);
       auto in_desc =
           boost::get<framework::VarDesc*>(ctx->GetInputVarPtrs("Reader")[0]);
-      std::cout << in_desc->Proto()->SerializeAsString() << std::endl;
       auto in_lod_levels = in_desc->GetLoDLevels();
       auto out_var_ptrs = ctx->GetOutputVarPtrs("Out");
       PADDLE_ENFORCE_EQ(in_lod_levels.size(), out_var_ptrs.size(),