diff --git a/src/operators/kernel/arm/reshape_kernel.cpp b/src/operators/kernel/arm/reshape_kernel.cpp
index 15b3c6979a44fd42d11c71de488b3eadeb097226..7f7e80ece9f30631c109d0d27f4025e2617cec95 100644
--- a/src/operators/kernel/arm/reshape_kernel.cpp
+++ b/src/operators/kernel/arm/reshape_kernel.cpp
@@ -17,35 +17,35 @@ limitations under the License. */
 #include "operators/kernel/reshape_kernel.h"
 
 namespace paddle_mobile {
-    namespace operators {
-
-        template <>
-        void ReshapeKernel<CPU, float>::Compute(const ReshapeParam &param) const {
-            const auto *input_x = param.InputX();
-            const auto &input_x_dims = input_x->dims();
-            auto *out = param.Out();
-            framework::DDim out_dims = out->dims();
-            const auto *input_shape = param.InputShape();
-
-            if (input_shape) {
-                auto *shape_data = input_shape->data<int>();
-                framework::Tensor cpu_shape_tensor;
-                auto shape =
-                        std::vector<int>(shape_data, shape_data + input_shape->numel());
-                out_dims = ValidateShape(shape, input_x->dims());
-            }
-
-            bool inplace = param.Inplace();
-            out->Resize(out_dims);
-            if (!inplace) {
-                out->mutable_data<float>();
-                framework::TensorCopy(*input_x,out);
-                out->Resize(out_dims);
-            } else {
-                out->ShareDataWith(*input_x);
-                out->Resize(out_dims);
-            }
-        }
-
-    }  // namespace operators
+namespace operators {
+
+template <>
+void ReshapeKernel<CPU, float>::Compute(const ReshapeParam &param) const {
+  const auto *input_x = param.InputX();
+  const auto &input_x_dims = input_x->dims();
+  auto *out = param.Out();
+  framework::DDim out_dims = out->dims();
+  const auto *input_shape = param.InputShape();
+
+  if (input_shape) {
+    auto *shape_data = input_shape->data<int>();
+    framework::Tensor cpu_shape_tensor;
+    auto shape =
+        std::vector<int>(shape_data, shape_data + input_shape->numel());
+    out_dims = ValidateShape(shape, input_x->dims());
+  }
+
+  bool inplace = param.Inplace();
+  out->Resize(out_dims);
+  if (!inplace) {
+    out->mutable_data<float>();
+    framework::TensorCopy(*input_x, out);
+    out->Resize(out_dims);
+  } else {
+    out->ShareDataWith(*input_x);
+    out->Resize(out_dims);
+  }
+}
+
+}  // namespace operators
 }  // namespace paddle_mobile
diff --git a/src/operators/kernel/reshape_kernel.h b/src/operators/kernel/reshape_kernel.h
index 8d0f7dadd14bcd79a18b866ee2019651f4eb9798..7d5dcdf71de232b1c72180231731fcf76483b9e4 100644
--- a/src/operators/kernel/reshape_kernel.h
+++ b/src/operators/kernel/reshape_kernel.h
@@ -20,58 +20,55 @@ limitations under the License. */
 #pragma once;
 
 namespace paddle_mobile {
-    namespace operators {
+namespace operators {
 
+inline framework::DDim ValidateShape(const std::vector<int> shape,
+                                     const framework::DDim& in_dims) {
+  const int64_t in_size = framework::product(in_dims);
+  // only one dimension can be set to -1, whose size will be automatically
+  // infered.
+  const int64_t unk_dim_val = -1;
+  const int64_t copy_dim_val = 0;
 
-        inline framework::DDim ValidateShape(const std::vector<int> shape,
-                                             const framework::DDim &in_dims) {
-            const int64_t in_size = framework::product(in_dims);
-            // only one dimension can be set to -1, whose size will be automatically
-            // infered.
-            const int64_t unk_dim_val = -1;
-            const int64_t copy_dim_val = 0;
+  std::vector<int64_t> output_shape(shape.size(), 0);
+  int64_t capacity = 1;
+  int unk_dim_idx = -1;
+  for (size_t i = 0; i < shape.size(); ++i) {
+    if (shape[i] == unk_dim_val) {
+      PADDLE_MOBILE_ENFORCE(
+          unk_dim_idx == -1,
+          "Only one input dimension of Attr(shape) can be unknown.");
+      unk_dim_idx = i;
+    } else if (shape[i] == copy_dim_val) {
+      PADDLE_MOBILE_ENFORCE(
+          static_cast<int>(i) < in_dims.size(),
+          "The index of dimension to copy from input shape must be less "
+          "than the size of input shape.");
+    } else {
+      PADDLE_MOBILE_ENFORCE(
+          shape[i] > 0,
+          "Each input dimension of Attr(shape) must not be negtive except "
+          "one unknown dimension.");
+    }
 
-            std::vector<int64_t> output_shape(shape.size(), 0);
-            int64_t capacity = 1;
-            int unk_dim_idx = -1;
-            for (size_t i = 0; i < shape.size(); ++i) {
-                if (shape[i] == unk_dim_val) {
-                    PADDLE_MOBILE_ENFORCE(
-                            unk_dim_idx == -1,
-                            "Only one input dimension of Attr(shape) can be unknown.");
-                    unk_dim_idx = i;
-                } else if (shape[i] == copy_dim_val) {
-                    PADDLE_MOBILE_ENFORCE(
-                            static_cast<int>(i) < in_dims.size(),
-                            "The index of dimension to copy from input shape must be less "
-                                    "than the size of input shape.");
-                } else {
-                    PADDLE_MOBILE_ENFORCE(
-                            shape[i] > 0,
-                            "Each input dimension of Attr(shape) must not be negtive except "
-                                    "one unknown dimension.");
-                }
+    capacity *= (shape[i] ? shape[i] : in_dims[i]);
+    output_shape[i] = (shape[i] ? static_cast<int64_t>(shape[i]) : in_dims[i]);
+  }
 
-                capacity *= (shape[i] ? shape[i] : in_dims[i]);
-                output_shape[i] =
-                        (shape[i] ? static_cast<int64_t>(shape[i]) : in_dims[i]);
-            }
+  if (unk_dim_idx != -1) {
+    output_shape[unk_dim_idx] = -in_size / capacity;
+    PADDLE_MOBILE_ENFORCE(output_shape[unk_dim_idx] * capacity == -in_size,
+                          "Invalid shape is given.");
+  } else {
+    PADDLE_MOBILE_ENFORCE(capacity == in_size, "Invalid shape is given.");
+  }
+  return framework::make_ddim(output_shape);
+}
 
-            if (unk_dim_idx != -1) {
-                output_shape[unk_dim_idx] = -in_size / capacity;
-                PADDLE_MOBILE_ENFORCE(output_shape[unk_dim_idx] * capacity == -in_size,
-                                      "Invalid shape is given.");
-            } else {
-                PADDLE_MOBILE_ENFORCE(capacity==in_size, "Invalid shape is given.");
-            }
-            return framework::make_ddim(output_shape);
-        }
-
-        template <typename DeviceType, typename T>
-        class ReshapeKernel
-                : public framework::OpKernelBase<DeviceType, ReshapeParam> {
-        public:
-            void Compute(const ReshapeParam& param) const;
-        };
-    }  // namespace operators
+template <typename DeviceType, typename T>
+class ReshapeKernel : public framework::OpKernelBase<DeviceType, ReshapeParam> {
+ public:
+  void Compute(const ReshapeParam& param) const;
+};
+}  // namespace operators
 }  // namespace paddle_mobile
diff --git a/src/operators/reshape_op.cpp b/src/operators/reshape_op.cpp
index 7cffa6c7c0fc27a124266ca9020c547abfe27bd1..6562b7a5eb491a7e69e9bd9481251b8aaf9f3f4b 100644
--- a/src/operators/reshape_op.cpp
+++ b/src/operators/reshape_op.cpp
@@ -15,18 +15,18 @@ limitations under the License. */
 #include "operators/reshape_op.h"
 #include <vector>
 namespace paddle_mobile {
-    namespace operators {
+namespace operators {
 
-        template <typename Dtype, typename T>
-        void ReshapeOp<Dtype, T>::InferShape() const {
-            /// todo: add InputShape() detection.
-            auto &shape = param_.Shape();
-            auto input_x_dims = param_.InputX()->dims();
-            auto out_dims = ValidateShape(shape, input_x_dims);
-            param_.Out()->Resize(out_dims);
-        }
-        template class ReshapeOp<CPU, float>;
-    }  // namespace operators
+template <typename Dtype, typename T>
+void ReshapeOp<Dtype, T>::InferShape() const {
+  /// todo: add InputShape() detection.
+  auto &shape = param_.Shape();
+  auto input_x_dims = param_.InputX()->dims();
+  auto out_dims = ValidateShape(shape, input_x_dims);
+  param_.Out()->Resize(out_dims);
+}
+template class ReshapeOp<CPU, float>;
+}  // namespace operators
 }  // namespace paddle_mobile
 
 namespace ops = paddle_mobile::operators;
diff --git a/src/operators/reshape_op.h b/src/operators/reshape_op.h
index ae34fb66951a2ae4e62ce81df7803dcebd7cf75c..62bcb3a67980b75f46487aba4dbf5c89d2b65c7d 100644
--- a/src/operators/reshape_op.h
+++ b/src/operators/reshape_op.h
@@ -21,32 +21,31 @@ limitations under the License. */
 #include "operators/op_param.h"
 
 namespace paddle_mobile {
-    namespace operators {
-
-        using paddle_mobile::framework::Tensor;
-
-        template <typename DeviceType, typename T>
-        class ReshapeOp : public framework::OperatorWithKernel<DeviceType> {
-        public:
-            ReshapeOp(const std::string &type, const VariableNameMap &inputs,
-                       const VariableNameMap &outputs,
-                       const framework::AttributeMap attrs,
-                       std::shared_ptr<framework::Scope> scope)
-                    : framework::OperatorWithKernel<DeviceType>(type, inputs, outputs, attrs,
-                                                                scope),
-                      param_(inputs, outputs, attrs, *scope) {}
-
-            void Run() const {
-                operators::ReshapeKernel<DeviceType, T> kernel;
-                kernel.Compute(param_);
-            }
-
-            using framework::OperatorWithKernel<DeviceType>::OperatorWithKernel;
-            void InferShape() const override;
-
-        protected:
-            ReshapeParam param_;
-        };
-
-    }  // namespace operators
+namespace operators {
+
+using paddle_mobile::framework::Tensor;
+
+template <typename DeviceType, typename T>
+class ReshapeOp : public framework::OperatorWithKernel<DeviceType> {
+ public:
+  ReshapeOp(const std::string &type, const VariableNameMap &inputs,
+            const VariableNameMap &outputs, const framework::AttributeMap attrs,
+            std::shared_ptr<framework::Scope> scope)
+      : framework::OperatorWithKernel<DeviceType>(type, inputs, outputs, attrs,
+                                                  scope),
+        param_(inputs, outputs, attrs, *scope) {}
+
+  void Run() const {
+    operators::ReshapeKernel<DeviceType, T> kernel;
+    kernel.Compute(param_);
+  }
+
+  using framework::OperatorWithKernel<DeviceType>::OperatorWithKernel;
+  void InferShape() const override;
+
+ protected:
+  ReshapeParam param_;
+};
+
+}  // namespace operators
 }  // namespace paddle_mobile
diff --git a/test/executor_for_test.h b/test/executor_for_test.h
index 2d592fdf349b76965a9b662d8b2c4e4679d1ad9b..11a1747ef06228d5e80255e722cadf61a9a6700e 100644
--- a/test/executor_for_test.h
+++ b/test/executor_for_test.h
@@ -21,9 +21,9 @@ limitations under the License. */
 #include "io.h"
 #include "operators/conv_op.h"
 #include "operators/pool_op.h"
+#include "operators/reshape_op.h"
 #include "operators/softmax_op.h"
 #include "operators/transpose_op.h"
-#include "operators/reshape_op.h"
 
 using paddle_mobile::Executor;
 using paddle_mobile::framework::BlockDesc;
diff --git a/test/operators/test_reshape_op.cpp b/test/operators/test_reshape_op.cpp
index 29d184b77408e247e774ac94e95f27bcd85983b1..7ba2faa47dfad443df3ff59e8db4a66f8d1d8bcf 100644
--- a/test/operators/test_reshape_op.cpp
+++ b/test/operators/test_reshape_op.cpp
@@ -17,32 +17,32 @@ limitations under the License. */
 #include "./io.h"
 
 int main() {
-    paddle_mobile::Loader<paddle_mobile::CPU> loader;
-    auto program = loader.Load(std::string("../../test/models/mobilenet+ssd"));
-    if (program.originProgram == nullptr) {
-        DLOG << "program read file";
-    }
-    Executor4Test<paddle_mobile::CPU, paddle_mobile::operators::ReshapeOp<
-            paddle_mobile::CPU, float>>
-            executor(program, "reshape");
-    paddle_mobile::framework::Tensor input;
-    SetupTensor<float>(&input, {2, 3, 3, 2}, static_cast<float>(0),
-                       static_cast<float>(1));
-    auto input_ptr = input.data<float>();
-    auto out_ddim = paddle_mobile::framework::make_ddim({2, 9, 2});
-    auto output =
-            executor.predict(input, "transpose_0.tmp_0", "reshape_0.tmp_0", out_ddim);
-    auto *output_ptr = output->data<float>();
-
-    DLOG << "input : ";
-    for (int j = 0; j < input.numel(); ++j) {
-        DLOG << " index " << j << " : " << input_ptr[j];
-    }
-
-    DLOG << "output : ";
-    for (int j = 0; j < output->numel(); ++j) {
-        DLOG << " index " << j << " : " << output_ptr[j];
-    }
-
-    return 0;
+  paddle_mobile::Loader<paddle_mobile::CPU> loader;
+  auto program = loader.Load(std::string("../../test/models/mobilenet+ssd"));
+  if (program.originProgram == nullptr) {
+    DLOG << "program read file";
+  }
+  Executor4Test<paddle_mobile::CPU,
+                paddle_mobile::operators::ReshapeOp<paddle_mobile::CPU, float>>
+      executor(program, "reshape");
+  paddle_mobile::framework::Tensor input;
+  SetupTensor<float>(&input, {2, 3, 3, 2}, static_cast<float>(0),
+                     static_cast<float>(1));
+  auto input_ptr = input.data<float>();
+  auto out_ddim = paddle_mobile::framework::make_ddim({2, 9, 2});
+  auto output =
+      executor.predict(input, "transpose_0.tmp_0", "reshape_0.tmp_0", out_ddim);
+  auto *output_ptr = output->data<float>();
+
+  DLOG << "input : ";
+  for (int j = 0; j < input.numel(); ++j) {
+    DLOG << " index " << j << " : " << input_ptr[j];
+  }
+
+  DLOG << "output : ";
+  for (int j = 0; j < output->numel(); ++j) {
+    DLOG << " index " << j << " : " << output_ptr[j];
+  }
+
+  return 0;
 }