diff --git a/src/common/types.cpp b/src/common/types.cpp
index 56f9ec91445e72bfd886c3e97c28b4cf6c4ce956..278ec923e2de48dfb5b2f3e5bd7ee6f663a3d8fe 100644
--- a/src/common/types.cpp
+++ b/src/common/types.cpp
@@ -122,6 +122,15 @@ const char *G_OP_TYPE_PAD2D = "pad2d";
 const char *G_OP_TYPE_FUSION_DECONV_ADD_BN_RELU = "fusion_deconv_add_bn_relu";
 const char *G_OP_TYPE_FUSION_DECONV_ADD_BN = "fusion_deconv_add_bn";
 const char *G_OP_TYPE_FUSION_DECONV_BN_RELU = "fusion_deconv_bn_relu";
+const char *G_OP_TYPE_ASSIGN = "assign";
+const char *G_OP_TYPE_REDUCE_PROD = "reduce_prod";
+const char *G_OP_TYPE_EQUAL = "equal";
+const char *G_OP_TYPE_CONDITIONAL_BLOCK = "conditional_block";
+const char *G_OP_TYPE_RANGE = "range";
+const char *G_OP_TYPE_WHILE = "while";
+const char *G_OP_TYPE_BEAM_SEARCH_DECODE = "beam_search_decode";
+const char *G_OP_TYPE_FILL_CONSTAN_BATCH_SIZE_LIKE =
+    "fill_constant_batch_size_like";
 
 std::unordered_map<
     std::string, std::pair<std::vector<std::string>, std::vector<std::string>>>
@@ -234,5 +243,14 @@ std::unordered_map<
         {G_OP_TYPE_FUSION_DECONV_ADD_BN_RELU, {{"Input"}, {"Out"}}},
         {G_OP_TYPE_FUSION_DECONV_ADD_BN, {{"Input"}, {"Out"}}},
         {G_OP_TYPE_FUSION_DECONV_BN_RELU, {{"Input"}, {"Out"}}},
+        {G_OP_TYPE_REDUCE_PROD, {{"X"}, {"Out"}}},
+        {G_OP_TYPE_ASSIGN, {{"X"}, {"Out"}}},
+        {G_OP_TYPE_EQUAL, {{"X", "Y"}, {"Out"}}},
+        {G_OP_TYPE_RANGE, {{"Start", "End", "Step"}, {"Out"}}},
+        {G_OP_TYPE_CONDITIONAL_BLOCK, {{"Input", "Cond"}, {"Out", "Scope"}}},
+        {G_OP_TYPE_WHILE, {{"Condition", "X"}, {"Out", "StepScopes"}}},
+        {G_OP_TYPE_BEAM_SEARCH_DECODE,
+         {{"Ids", "Scores"}, {"SentenceIds", "SentenceScores"}}},
+        {G_OP_TYPE_FILL_CONSTAN_BATCH_SIZE_LIKE, {{"Input"}, {"Out"}}},
         {G_OP_TYPE_PAD2D, {{"X"}, {"Out"}}}};
 }  // namespace paddle_mobile
diff --git a/src/framework/load_ops.h b/src/framework/load_ops.h
index 2738e2470ecdfcde6f259e3f20be80bebdd4c925..bf42130d0b4350bd013c0a1e3c05b7510aae1b9d 100644
--- a/src/framework/load_ops.h
+++ b/src/framework/load_ops.h
@@ -353,3 +353,21 @@ LOAD_OP1(assign_value, CPU);
 #ifdef EXP_OP
 LOAD_OP1(exp, CPU);
 #endif
+#ifdef ASSIGN_OP
+LOAD_OP1(assign, CPU);
+#endif
+#ifdef CONDITIONAL_BLOCK_OP
+LOAD_OP1(conditional_block, CPU);
+#endif
+#ifdef EQUAL_OP
+LOAD_OP1(equal, CPU);
+#endif
+#ifdef FILL_CONSTANT_BATCH_SIZE_LIKE_OP
+LOAD_OP1(fill_constant_batch_size_like, CPU);
+#endif
+#ifdef RANGE_OP
+LOAD_OP1(range, CPU);
+#endif
+#ifdef REDUCE_PROD_OP
+LOAD_OP1(reduce_prod, CPU);
+#endif
diff --git a/src/framework/program/program_desc.cpp b/src/framework/program/program_desc.cpp
index 7ec74874b678d564529c3d6d86e4db439a94cba9..a75bf01be15133f0c54de64aa03c06f52bf751a7 100644
--- a/src/framework/program/program_desc.cpp
+++ b/src/framework/program/program_desc.cpp
@@ -14,6 +14,7 @@ limitations under the License. */
 
 #include <string>
 #include <vector>
+#include "framework/operator.h"
 
 #include "framework/program/program_desc.h"
 #include "framework/program/tensor_desc.h"
@@ -51,6 +52,17 @@ void ProgramDesc::Description(std::string header) const {
   if (header.size()) {
     LOG(kLOG_INFO) << header;
   }
+  for (int i = 0; i < this->blocks_.size(); ++i) {
+    auto block = this->blocks_[i];
+    for (int j = 0; j < block->Ops().size(); ++j) {
+      std::shared_ptr<OpDesc> op_desc = block->Ops()[j];
+      auto op_info_ptr =
+          OpInfoMap<CPU>::Instance()->GetNullable(op_desc->Type());
+      if (op_info_ptr == nullptr) {
+        DLOG << "Operator has not been registered :" << op_desc->Type().c_str();
+      }
+    }
+  }
 
   for (int i = 0; i < this->blocks_.size(); ++i) {
     auto block = this->blocks_[i];
diff --git a/src/operators/assign_op.cpp b/src/operators/assign_op.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..adc038a2230be67f118a6005202600fcb4c10b15
--- /dev/null
+++ b/src/operators/assign_op.cpp
@@ -0,0 +1,39 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef ASSIGN_OP
+
+#include "operators/assign_op.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <typename Dtype, typename T>
+void AssignOp<Dtype, T>::InferShape() const {
+  PADDLE_MOBILE_ENFORCE(this->param_.Input() != nullptr,
+                        "Input (X) of Assign op should not be null.");
+  PADDLE_MOBILE_ENFORCE(this->param_.Output() != nullptr,
+                        "Output (Output) of Assign op should not be null.");
+}
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+namespace ops = paddle_mobile::operators;
+
+#ifdef PADDLE_MOBILE_CPU
+REGISTER_OPERATOR_CPU(assign, ops::AssignOp);
+#endif
+
+#endif  // ASSIGN_OP
diff --git a/src/operators/assign_op.h b/src/operators/assign_op.h
new file mode 100644
index 0000000000000000000000000000000000000000..478330bc3bf1c6cfa4ec1a2e87331a25a0e1d1b6
--- /dev/null
+++ b/src/operators/assign_op.h
@@ -0,0 +1,33 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef ASSIGN_OP
+
+#pragma once
+
+#include <string>
+
+#include "framework/operator.h"
+#include "operators/kernel/assign_kernel.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+DECLARE_OPERATOR(Assign, AssignParam, AssignKernel);
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif
diff --git a/src/operators/compare_op.cpp b/src/operators/compare_op.cpp
index 312173a30bad7c5b3762de6f6abc3a735895704c..7332e33c6260ed70d096373cf1fe9fe6b6faca18 100644
--- a/src/operators/compare_op.cpp
+++ b/src/operators/compare_op.cpp
@@ -25,6 +25,14 @@ void LessThanOp<Dtype, T>::InferShape() const {
 }
 #endif  // LESS_THAN_OP
 
+#ifdef EQUAL_OP
+template <typename Dtype, typename T>
+void EqualOp<Dtype, T>::InferShape() const {
+  const auto &input_dims = this->param_.input_x_->dims();
+  this->param_.output_->Resize(input_dims);
+}
+#endif  // EQUAL_OP
+
 }  // namespace operators
 }  // namespace paddle_mobile
 
@@ -32,3 +40,6 @@ namespace ops = paddle_mobile::operators;
 #ifdef LESS_THAN_OP
 REGISTER_OPERATOR_CPU(less_than, ops::LessThanOp);
 #endif  // LESS_THAN_OP
+#ifdef EQUAL_OP
+REGISTER_OPERATOR_CPU(equal, ops::EqualOp);
+#endif  // EQUAL_OP
diff --git a/src/operators/compare_op.h b/src/operators/compare_op.h
index 83ae88eae948694a8eef0845da699f1af8e2b8a9..5fbc350053abbc24ed956b8a7154adfe27b588c0 100644
--- a/src/operators/compare_op.h
+++ b/src/operators/compare_op.h
@@ -26,5 +26,9 @@ namespace operators {
 DECLARE_OPERATOR(LessThan, CompareParam, LessThanKernel);
 #endif  // LESS_THAN_OP
 
+#ifdef EQUAL_OP
+DECLARE_OPERATOR(Equal, CompareParam, EqualKernel);
+#endif  // EQUAL_OP
+
 }  // namespace operators
 }  // namespace paddle_mobile
diff --git a/src/operators/conditional_block_op.cpp b/src/operators/conditional_block_op.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..0f1e6f7556c2960aa9c1eedb35e6e7aec20a12c9
--- /dev/null
+++ b/src/operators/conditional_block_op.cpp
@@ -0,0 +1,34 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef CONDITIONAL_BLOCK_OP
+
+#include "operators/conditional_block_op.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <typename Dtype, typename T>
+void ConditionalBlockOp<Dtype, T>::InferShape() const {}
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+namespace ops = paddle_mobile::operators;
+
+#ifdef PADDLE_MOBILE_CPU
+REGISTER_OPERATOR_CPU(conditional_block, ops::ConditionalBlockOp);
+#endif
+
+#endif  // CONDITIONAL_BLOCK_OP
diff --git a/src/operators/conditional_block_op.h b/src/operators/conditional_block_op.h
new file mode 100644
index 0000000000000000000000000000000000000000..8a5dfa5634c58a3ee08fbc20407dea7db5b515c0
--- /dev/null
+++ b/src/operators/conditional_block_op.h
@@ -0,0 +1,34 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef CONDITIONAL_BLOCK_OP
+
+#pragma once
+
+#include <string>
+
+#include "framework/operator.h"
+#include "operators/kernel/conditional_block_kernel.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+DECLARE_OPERATOR(ConditionalBlock, ConditionalBlockParam,
+                 ConditionalBlockKernel);
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif
diff --git a/src/operators/detection_ops.cpp b/src/operators/detection_ops.cpp
index b87d1d3e80fd7945dd0cf4571041c18378e6ac1a..50df7229e1e0530c726e741d2f18818616213327 100644
--- a/src/operators/detection_ops.cpp
+++ b/src/operators/detection_ops.cpp
@@ -95,6 +95,17 @@ void RoiPerspectiveOp<DeviceType, T>::InferShape() const {
                                    static_cast<int64_t>(transformed_width)});
   auto out_dims = framework::make_ddim(out_dims_v);
   this->param_.output_->Resize(out_dims);
+
+  std::vector<int64_t> mask_dims_v({rois_dims[0],  // num_rois
+                                    1,             // channels
+                                    static_cast<int64_t>(transformed_height),
+                                    static_cast<int64_t>(transformed_width)});
+  auto mask_dims = framework::make_ddim(mask_dims_v);
+
+  std::vector<int64_t> matrix_dims_v({rois_dims[0], 9});
+  auto matrix_dims = framework::make_ddim(matrix_dims_v);
+  this->param_.transform_Matrix_->Resize(matrix_dims);
+  this->param_.mask->Resize(mask_dims);
 }
 #endif
 
diff --git a/src/operators/fill_constant_batch_size_like_op.cpp b/src/operators/fill_constant_batch_size_like_op.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..848ab436f288f0b0a54ece8ada9e7b0f2c7010bd
--- /dev/null
+++ b/src/operators/fill_constant_batch_size_like_op.cpp
@@ -0,0 +1,25 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef FILL_CONSTANT_BATCH_SIZE_LIKE_OP
+
+#include "operators/fill_constant_batch_size_like_op.h"
+
+namespace ops = paddle_mobile::operators;
+#ifdef PADDLE_MOBILE_CPU
+REGISTER_OPERATOR_CPU(fill_constant_batch_size_like,
+                      ops::FillConstantBatchSizeLikeOp);
+#endif
+
+#endif
diff --git a/src/operators/fill_constant_batch_size_like_op.h b/src/operators/fill_constant_batch_size_like_op.h
new file mode 100644
index 0000000000000000000000000000000000000000..dff76d85d10b6ca1ba538f1b62f34100c8668de5
--- /dev/null
+++ b/src/operators/fill_constant_batch_size_like_op.h
@@ -0,0 +1,96 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef FILL_CONSTANT_BATCH_SIZE_LIKE_OP
+
+#pragma once
+
+#include <algorithm>
+#include <string>
+#include "framework/data_type.h"
+#include "framework/operator.h"
+#include "framework/selected_rows.h"
+#include "operators/math/math_function.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <typename DeviceType, typename T>
+class FillConstantBatchSizeLikeOp : public framework::OperatorBase<DeviceType> {
+ public:
+  FillConstantBatchSizeLikeOp(const std::string &type,
+                              const VariableNameMap &inputs,
+                              const VariableNameMap &outputs,
+                              const framework::AttributeMap attrs,
+                              framework::Scope *scope)
+      : framework::OperatorBase<DeviceType>(type, inputs, outputs, attrs,
+                                            scope),
+        param_(inputs, outputs, attrs, scope) {}
+  void RunImpl() {
+    auto data_type =
+        static_cast<_PaddleMobile__Framework__Proto__VarType__Type>(
+            param_.DataDtype());
+    framework::Tensor *tensor = nullptr;
+    auto value = param_.Value();
+    auto *outvar = param_.OutVar();
+
+    if (outvar->template IsType<framework::LoDTensor>()) {
+      tensor = outvar->template GetMutable<framework::LoDTensor>();
+    } else if (outvar->template IsType<framework::SelectedRows>()) {
+      tensor = outvar->template GetMutable<framework::SelectedRows>()
+                   ->mutable_value();
+    } else {
+      PADDLE_MOBILE_THROW_EXCEPTION(
+          "fill constant batch size like op's output only"
+          "supports SelectedRows and LoDTensor");
+    }
+    auto shape = param_.Shape();
+    std::vector<int64_t> shape_int64(shape.size(), 0);
+    std::transform(shape.begin(), shape.end(), shape_int64.begin(),
+                   [](int a) { return static_cast<int64_t>(a); });
+    auto ddim = framework::make_ddim(shape_int64);
+    ddim[param_.OutputDimIdx()] = param_.Input()->dims()[param_.InputDimIdx()];
+    tensor->Resize(ddim);
+    tensor->mutable_data(framework::ToTypeIndex(data_type));
+
+    math::SetConstant(tensor, value);
+  }
+
+  void Init() {}
+
+  void InferShape() const {
+    PADDLE_MOBILE_ENFORCE(
+        param_.Out() != nullptr,
+        "Output (Out) of fill_constant_batch_size_like op should not be null.");
+
+    auto shape = param_.Shape();
+
+    std::vector<int64_t> shape_int64(shape.size(), 0);
+    std::transform(shape.begin(), shape.end(), shape_int64.begin(),
+                   [](int a) { return static_cast<int64_t>(a); });
+    DLOG << shape_int64;
+    auto ddim = framework::make_ddim(shape_int64);
+    ddim[param_.OutputDimIdx()] = param_.Input()->dims()[param_.InputDimIdx()];
+    param_.Out()->Resize(ddim);
+  }
+
+ protected:
+  FillConstantBatchSizeLikeParam<DeviceType> param_;
+};
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif
diff --git a/src/operators/kernel/arm/assign_kernel.cpp b/src/operators/kernel/arm/assign_kernel.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..823bb3ca4188ad99e4b75492c7eed5d51745c177
--- /dev/null
+++ b/src/operators/kernel/arm/assign_kernel.cpp
@@ -0,0 +1,39 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef ASSIGN_OP
+
+#include "operators/kernel/assign_kernel.h"
+#include "framework/data_type.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <>
+bool AssignKernel<CPU, float>::Init(AssignParam<CPU>* param) {
+  return true;
+}
+
+template <>
+void AssignKernel<CPU, float>::Compute(const AssignParam<CPU>& param) {
+  const auto* input = param.Input();
+  auto* out = param.Output();
+  out->mutable_data<float>();
+  framework::TensorCopy(*input, out);
+}
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif  // ASSIGN_OP
diff --git a/src/operators/kernel/arm/compare_kernel.cpp b/src/operators/kernel/arm/compare_kernel.cpp
index 35bb13363cea5a8de173cc7491afa5cc421e5746..d321740fd283ec16e64a90203c213ce41fe639b1 100644
--- a/src/operators/kernel/arm/compare_kernel.cpp
+++ b/src/operators/kernel/arm/compare_kernel.cpp
@@ -41,6 +41,11 @@ inline uint8_t Compare(const float x, const float y) {
   return static_cast<uint8_t>(x < y);
 }
 
+template <CompareType Comp = EQUAL>
+inline uint8_t Compare(const int x, const int y) {
+  return static_cast<uint8_t>(x == y);
+}
+
 template <CompareType Comp = LESS_THAN>
 inline uint8_t Compare(const int64_t x, const int64_t y) {
   return static_cast<uint8_t>(x < y);
@@ -184,6 +189,51 @@ struct CompareCompute<int64_t, Comp> {
   }
 };
 
+template <CompareType Comp>
+struct CompareCompute<int, Comp> {
+  void operator()(const Tensor *X, const Tensor *Y, const int Axis,
+                  Tensor *Out) {
+    const int *x = X->data<int>();
+    const int *y = Y->data<int>();
+    uint8_t *output = reinterpret_cast<uint8_t *>(Out->mutable_data<bool>());
+    const auto &x_dims = X->dims();
+    const auto &y_dims = Y->dims();
+    /// axis = -1 represent the last dimensions.
+    int axis = (Axis == -1 ? x_dims.size() - y_dims.size() : Axis);
+    int batch = 1;
+    int channels = 1;
+    int elementwise_num = 1;
+    for (int i = 0; i < axis; ++i) {
+      batch *= x_dims[i];
+    }
+    for (int i = 0; i < y_dims.size(); ++i) {
+      channels *= y_dims[i];
+    }
+    for (int i = y_dims.size() + axis; i < x_dims.size(); ++i) {
+      elementwise_num *= x_dims[i];
+    }
+    // if elementwise_num == 1, compare rowwise
+    if (elementwise_num == 1) {
+      for (int i = 0; i < batch; ++i) {
+        for (int j = 0; j < channels; ++j) {
+          int x_offset = i * channels + j;
+          output[x_offset] = Compare<Comp>(x[x_offset], y[j]);
+        }
+      }
+    } else {
+      for (int i = 0; i < batch; ++i) {
+        for (int j = 0; j < channels; ++j) {
+          int x_offset = (i * channels + j) * elementwise_num;
+          int y_offset = j * elementwise_num;
+          for (int k = 0; k < elementwise_num; ++k) {
+            output[x_offset + k] = Compare<Comp>(x[x_offset + k], y[y_offset]);
+          }
+        }
+      }
+    }
+  }
+};
+
 #ifdef LESS_THAN_OP
 template <>
 bool LessThanKernel<CPU, float>::Init(CompareParam<CPU> *param) {
@@ -205,5 +255,20 @@ void LessThanKernel<CPU, float>::Compute(const CompareParam<CPU> &param) {
 }
 #endif  // LESS_THAN_OP
 
+#ifdef EQUAL_OP
+template <>
+bool EqualKernel<CPU, float>::Init(CompareParam<CPU> *param) {
+  return true;
+}
+
+template <>
+void EqualKernel<CPU, float>::Compute(const CompareParam<CPU> &param) {
+  if (param.input_x_->type() == type_id<int>().hash_code()) {
+    CompareCompute<int, EQUAL>()(param.input_x_, param.input_y_, param.axis_,
+                                 param.output_);
+  }
+}
+#endif  // EQUAL_OP
+
 }  // namespace operators
 }  // namespace paddle_mobile
diff --git a/src/operators/kernel/arm/conditional_block_kernel.cpp b/src/operators/kernel/arm/conditional_block_kernel.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..433f048187e0d2928196b6e10bc1974878aaac3d
--- /dev/null
+++ b/src/operators/kernel/arm/conditional_block_kernel.cpp
@@ -0,0 +1,99 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef CONDITIONAL_BLOCK_OP
+
+#include "operators/kernel/conditional_block_kernel.h"
+#include <framework/program/block_desc.h>
+#include <framework/program/op_desc.h>
+#include "framework/data_type.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+class StepExecutor {
+  typedef std::shared_ptr<framework::OperatorBase<CPU>> OperatorPtr;
+
+ public:
+  StepExecutor(const framework::BlockDesc *block, framework::Scope *scope)
+      : scope_(scope) {
+    std::vector<std::shared_ptr<framework::OpDesc>> ops = block->Ops();
+    ops_of_block_.resize(ops.size());
+    for (int i = 0; i < ops.size(); ++i) {
+      std::shared_ptr<framework::OpDesc> op_desc = ops[i];
+      DLOG << "conditional block create op: " << ops.size() << ","
+           << op_desc->Type();
+      auto op_handler = framework::OpRegistry<CPU>::CreateOp(
+          op_desc->Type(), op_desc->GetInputs(), op_desc->GetOutputs(),
+          op_desc->GetAttrMap(), scope_);
+      op_handler->Init();
+      ops_of_block_[i] = op_handler;
+    }
+  }
+
+  void Run() {
+    for (int i = 0; i < ops_of_block_.size(); ++i) {
+      auto &op_handler = ops_of_block_[i];
+      DLOG << "conditional block op InferShape: " << i
+           << "th: " << op_handler->Type();
+      op_handler->InferShape();
+      DLOG << "conditional block op Run: " << i << "th: " << op_handler->Type();
+      op_handler->Run();
+    }
+  }
+
+ private:
+  framework::Scope *scope_;
+  std::vector<OperatorPtr> ops_of_block_;
+};
+
+template <>
+bool ConditionalBlockKernel<CPU, float>::Init(
+    ConditionalBlockParam<CPU> *param) {
+  return true;
+}
+
+template <>
+void ConditionalBlockKernel<CPU, float>::Compute(
+    const ConditionalBlockParam<CPU> &param) {
+  bool need_run;
+  if (param.isScalarCondition()) {
+    auto xs = param.Cond();
+    PADDLE_MOBILE_ENFORCE(
+        xs[0]->type() == type_id<bool>().hash_code() && xs[0]->numel() == 1,
+        "condition input's data type should be bool, "
+        "numel should be 1, actual numel is %d",
+        xs[0]->numel());
+    need_run = xs[0]->data<bool>()[0];
+  } else {
+    auto xs = param.Input();
+    need_run = std::all_of(
+        xs.begin(), xs.end(),
+        [](const framework::LoDTensor *t) { return t->numel() != 0; });
+  }
+
+  if (need_run) {
+    auto input = param.Input();
+    auto sub = param.getSubBlock();
+    auto &current_scope = param.GetScope()->NewScope();
+    StepExecutor executor(sub, &current_scope);
+    executor.Run();
+    param.GetScope()->DeleteScope(&current_scope);
+  }
+}
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif  // CONDITIONAL_BLOCK_OP
diff --git a/src/operators/kernel/arm/elementwise_add_kernel.cpp b/src/operators/kernel/arm/elementwise_add_kernel.cpp
index 043d27e72f16ab4b38f31d6cff60bd2f4e89a649..c4bcbf6f7e8a33d7533b17b2ca00e00411aaeef3 100644
--- a/src/operators/kernel/arm/elementwise_add_kernel.cpp
+++ b/src/operators/kernel/arm/elementwise_add_kernel.cpp
@@ -28,7 +28,12 @@ bool ElementwiseAddKernel<CPU, float>::Init(ElementwiseAddParam<CPU> *param) {
 template <>
 void ElementwiseAddKernel<CPU, float>::Compute(
     const ElementwiseAddParam<CPU> &param) {
-  ElementwiseAddCompute<float>(param);
+  if (param.InputX()->type() == type_id<float>().hash_code()) {
+    ElementwiseAddCompute<float>(param);
+  } else if (param.InputX()->type() == type_id<int>().hash_code()) {
+    AddElememtWiseStruct<int, IDENTITY>()(param.InputX(), param.InputY(),
+                                          param.Axis(), param.Out());
+  }
   param.Out()->set_lod(param.InputX()->lod());
 }
 
diff --git a/src/operators/kernel/arm/lod_reset_kernel.cpp b/src/operators/kernel/arm/lod_reset_kernel.cpp
index f3bb206447c87941f150c70c2297d8d1c5976231..cb7f98c1e4f28bab3f4f7c4a95e98feeefd40788 100644
--- a/src/operators/kernel/arm/lod_reset_kernel.cpp
+++ b/src/operators/kernel/arm/lod_reset_kernel.cpp
@@ -28,6 +28,7 @@ template <>
 void LodResetKernel<CPU, float>::Compute(const LodResetParam<CPU> &param) {
   const auto *input = param.input_x_;
   const auto *lod_t = param.input_y_;
+  bool append = param.append;
   auto *output = param.output_;
 
   output->ShareDataWith(*input);
@@ -47,13 +48,17 @@ void LodResetKernel<CPU, float>::Compute(const LodResetParam<CPU> &param) {
 
   // cast level0 to size_t
   std::vector<size_t> ulevel0(level0.size(), 0);
-  for (int i = 0; i < level0.size(); ++i) {
-    ulevel0[i] = level0[i];
-  }
+  std::transform(level0.begin(), level0.end(), ulevel0.begin(),
+                 [](int a) { return static_cast<size_t>(a); });
 
-  framework::LoD target_lod;
-  target_lod.push_back(std::move(ulevel0));
-  output->set_lod(target_lod);
+  if (append) {
+    auto *out_lod = output->mutable_lod();
+    out_lod->push_back(ulevel0);
+  } else {
+    framework::LoD target_lod;
+    target_lod.push_back(ulevel0);
+    output->set_lod(target_lod);
+  }
 }
 
 }  // namespace operators
diff --git a/src/operators/kernel/arm/roi_perspective_kernel.cpp b/src/operators/kernel/arm/roi_perspective_kernel.cpp
index 8cdb8f04b2f1808a9dff46ef04159ed291481292..c8b0cb8bf2a90f4d8483808fee7a37b3223e7099 100644
--- a/src/operators/kernel/arm/roi_perspective_kernel.cpp
+++ b/src/operators/kernel/arm/roi_perspective_kernel.cpp
@@ -208,6 +208,8 @@ void RoiPerspectiveKernel<CPU, float>::Compute(
   const auto *input_x = param.input_x_;
   const auto *input_rois = param.input_rois_;
   auto *output = param.output_;
+  auto *transform_Matrix = param.transform_Matrix_;
+  auto *mask = param.mask;
 
   const auto &in_dims = input_x->dims();
   const int channels = in_dims[1];
@@ -221,6 +223,9 @@ void RoiPerspectiveKernel<CPU, float>::Compute(
   const float *input_data = input_x->data<float>();
   const float *rois_data = input_rois->data<float>();
   float *output_data = output->mutable_data<float>();
+  int *mask_data = mask->mutable_data<int>();
+  float *transform_matrix =
+      transform_Matrix->mutable_data<float>({rois_num, 9});
 
   std::vector<int> roi2image(rois_num);
   const auto &lod = input_rois->lod().back();
@@ -240,9 +245,13 @@ void RoiPerspectiveKernel<CPU, float>::Compute(
     }
     int image_id = roi2image[n];
     // Get transform matrix
-    float transform_matrix[9];
+    //    float transform_matrix[9];
+    float matrix[9];
     get_transform_matrix<float>(transformed_width, transformed_height, roi_x,
-                                roi_y, transform_matrix);
+                                roi_y, matrix);
+    for (int i = 0; i < 9; i++) {
+      transform_matrix[n * 9 + i] = matrix[i];
+    }
     for (int c = 0; c < channels; ++c) {
       for (int out_h = 0; out_h < transformed_height; ++out_h) {
         for (int out_w = 0; out_w < transformed_width; ++out_w) {
@@ -251,19 +260,24 @@ void RoiPerspectiveKernel<CPU, float>::Compute(
               c * transformed_height * transformed_width +
               out_h * transformed_width + out_w;
           float in_w, in_h;
-          get_source_coords<float>(transform_matrix, out_w, out_h, &in_w,
-                                   &in_h);
+          get_source_coords<float>(matrix, out_w, out_h, &in_w, &in_h);
           if (in_quad<float>(in_w, in_h, roi_x, roi_y)) {
             if ((-0.5 > in_w) || (in_w > (in_width - 0.5)) || (-0.5 > in_h) ||
                 (in_h > (in_height - 0.5))) {
               output_data[out_index] = 0.0;
+              mask_data[(n * transformed_height + out_h) * transformed_width +
+                        out_w] = 0;
             } else {
               bilinear_interpolate<float>(input_data, channels, in_width,
                                           in_height, image_id, c, in_w, in_h,
                                           output_data + out_index);
+              mask_data[(n * transformed_height + out_h) * transformed_width +
+                        out_w] = 1;
             }
           } else {
             output_data[out_index] = 0.0;
+            mask_data[(n * transformed_height + out_h) * transformed_width +
+                      out_w] = 1;
           }
         }
       }
diff --git a/src/operators/kernel/arm/scale_kernel.cpp b/src/operators/kernel/arm/scale_kernel.cpp
index 0cbeb492f829708bcc267613bb0430d88da2e6f0..92fffeaed74c4286f7e32153b8356952a4de1639 100644
--- a/src/operators/kernel/arm/scale_kernel.cpp
+++ b/src/operators/kernel/arm/scale_kernel.cpp
@@ -33,39 +33,49 @@ void ScaleKernel<CPU, float>::Compute(const ScaleParam<CPU> &param) {
   auto output = param.Out();
   const float scale = param.Scale();
   const float bias = param.Bias();
-  const float *input_data = input->data<float>();
-  float *output_data = output->mutable_data<float>();
+  if (input->type() == type_id<int64_t>().hash_code()) {
+    const int64_t *input_data = input->data<int64_t>();
+    int64_t *output_data = output->mutable_data<int64_t>();
 
-  int i = 0;
+    int i = 0;
+    for (; i < output->numel(); ++i, ++output_data, ++input_data) {
+      *output_data = scale * (*input_data) + bias;
+    }
+  } else {
+    const float *input_data = input->data<float>();
+    float *output_data = output->mutable_data<float>();
+
+    int i = 0;
 #if defined(__ARM_NEON__) || defined(__ARM_NEON)
-  float32x4_t vscale = vdupq_n_f32(scale);
-  float32x4_t vbias = vdupq_n_f32(bias);
-  for (; i < output->numel() - 15; i += 16) {
-    float32x4_t _in0 = vld1q_f32(input_data);
-    float32x4_t _in1 = vld1q_f32(input_data + 4);
-    float32x4_t _in2 = vld1q_f32(input_data + 8);
-    float32x4_t _in3 = vld1q_f32(input_data + 12);
-    _in0 = vmlaq_f32(vbias, vscale, _in0);
-    _in1 = vmlaq_f32(vbias, vscale, _in1);
-    _in2 = vmlaq_f32(vbias, vscale, _in2);
-    _in3 = vmlaq_f32(vbias, vscale, _in3);
-    vst1q_f32(output_data, _in0);
-    vst1q_f32(output_data + 4, _in1);
-    vst1q_f32(output_data + 8, _in2);
-    vst1q_f32(output_data + 12, _in3);
-    input_data += 16;
-    output_data += 16;
-  }
-  for (; i < output->numel() - 3; i += 4) {
-    float32x4_t _in0 = vld1q_f32(input_data);
-    _in0 = vmlaq_f32(vbias, vscale, _in0);
-    vst1q_f32(output_data, _in0);
-    input_data += 4;
-    output_data += 4;
-  }
+    float32x4_t vscale = vdupq_n_f32(scale);
+    float32x4_t vbias = vdupq_n_f32(bias);
+    for (; i < output->numel() - 15; i += 16) {
+      float32x4_t _in0 = vld1q_f32(input_data);
+      float32x4_t _in1 = vld1q_f32(input_data + 4);
+      float32x4_t _in2 = vld1q_f32(input_data + 8);
+      float32x4_t _in3 = vld1q_f32(input_data + 12);
+      _in0 = vmlaq_f32(vbias, vscale, _in0);
+      _in1 = vmlaq_f32(vbias, vscale, _in1);
+      _in2 = vmlaq_f32(vbias, vscale, _in2);
+      _in3 = vmlaq_f32(vbias, vscale, _in3);
+      vst1q_f32(output_data, _in0);
+      vst1q_f32(output_data + 4, _in1);
+      vst1q_f32(output_data + 8, _in2);
+      vst1q_f32(output_data + 12, _in3);
+      input_data += 16;
+      output_data += 16;
+    }
+    for (; i < output->numel() - 3; i += 4) {
+      float32x4_t _in0 = vld1q_f32(input_data);
+      _in0 = vmlaq_f32(vbias, vscale, _in0);
+      vst1q_f32(output_data, _in0);
+      input_data += 4;
+      output_data += 4;
+    }
 #endif
-  for (; i < output->numel(); ++i, ++output_data, ++input_data) {
-    *output_data = scale * (*input_data) + bias;
+    for (; i < output->numel(); ++i, ++output_data, ++input_data) {
+      *output_data = scale * (*input_data) + bias;
+    }
   }
 }
 
diff --git a/src/operators/kernel/arm/slice_kernel.cpp b/src/operators/kernel/arm/slice_kernel.cpp
index db3718612be94e78a38d412b52579c7abc1d98c8..aeb18c8d2074ff1b32e4892fb0ac2dd20aa5047c 100644
--- a/src/operators/kernel/arm/slice_kernel.cpp
+++ b/src/operators/kernel/arm/slice_kernel.cpp
@@ -19,18 +19,22 @@ limitations under the License. */
 namespace paddle_mobile {
 namespace operators {
 
+template <typename Dtype>
 void SliceCompute(const SliceParam<CPU>& param) {
   auto input = param.input_;
   auto output = param.output_;
-  auto* input_ptr = input->data<float>();
-  auto* output_ptr = output->mutable_data<float>();
+  auto* input_ptr = input->data<Dtype>();
+  auto* output_ptr = output->mutable_data<Dtype>();
   auto out_dims = output->dims();
   auto in_dims = input->dims();
   auto starts = param.starts_;
   auto ends = param.ends_;
   int axes = param.axes_[0];
-  int HW = input->dims()[axes + 1] * input->dims()[axes + 2];
-  int batch_size = out_dims[axes - 1];
+  int HW = 1;
+  if (in_dims.size() >= 2 && axes <= in_dims.size() - 2) {
+    HW = in_dims[axes + 1] * input->dims()[axes + 2];
+  }
+  int batch_size = (out_dims.size() == 1) ? 1 : out_dims[axes - 1];
   int input_channel = in_dims[axes];
   int output_channel = out_dims[axes];
 
@@ -53,12 +57,22 @@ template <>
 void SliceKernel<CPU, float>::Compute(const SliceParam<CPU>& param) {
   int rank = param.input_->dims().size();
   switch (rank) {
+    case 1:
+      if (param.input_->type() == type_id<int>().hash_code()) {
+        SliceCompute<int>(param);
+      } else if (param.input_->type() == type_id<float>().hash_code()) {
+        SliceCompute<float>(param);
+      }
+      break;
+    case 2:
+      SliceCompute<float>(param);
+      break;
     case 4:
-      SliceCompute(param);
+      SliceCompute<float>(param);
       break;
     case 5:
       if (param.input_->dims()[0] == 1) {
-        SliceCompute(param);
+        SliceCompute<float>(param);
       }
       break;
     default:
diff --git a/src/operators/kernel/arm/while_kernel.cpp b/src/operators/kernel/arm/while_kernel.cpp
index 4794fd122cce141487598a19261fd3e0f66cfb27..43e88aad4da302e9221cfc51dad1a15544120d94 100644
--- a/src/operators/kernel/arm/while_kernel.cpp
+++ b/src/operators/kernel/arm/while_kernel.cpp
@@ -15,23 +15,25 @@ limitations under the License. */
 #ifdef WHILE_OP
 
 #include "operators/kernel/while_kernel.h"
+#include "framework/loader.h"
+#include "framework/lod_tensor.h"
 #include "framework/op_registry.h"
 #include "framework/operator.h"
 
 namespace paddle_mobile {
 namespace operators {
 
-class StepExecutor {
+class WhileStepExecutor {
   typedef std::shared_ptr<framework::OperatorBase<CPU>> OperatorPtr;
 
  public:
-  StepExecutor(const framework::BlockDesc *block, framework::Scope *scope)
+  WhileStepExecutor(const framework::BlockDesc *block, framework::Scope *scope)
       : scope_(scope) {
     std::vector<std::shared_ptr<framework::OpDesc>> ops = block->Ops();
     ops_of_block_.resize(ops.size());
     for (int i = 0; i < ops.size(); ++i) {
       std::shared_ptr<framework::OpDesc> op_desc = ops[i];
-      DLOG << "create op: " << op_desc->Type();
+      DLOG << "while kernel create op: " << op_desc->Type();
       auto op_handler = framework::OpRegistry<CPU>::CreateOp(
           op_desc->Type(), op_desc->GetInputs(), op_desc->GetOutputs(),
           op_desc->GetAttrMap(), scope_);
@@ -41,12 +43,46 @@ class StepExecutor {
   }
 
   void Run() {
-    for (auto &op_handler : ops_of_block_) {
+    for (int i = 0; i < ops_of_block_.size(); ++i) {
+      auto &op_handler = ops_of_block_[i];
+      DLOG << "while kernel InferShape op: " << i
+           << "th : " << op_handler->Type();
       op_handler->InferShape();
+      DLOG << "while kernel Run op: " << i << "th : " << op_handler->Type();
       op_handler->Run();
     }
   }
 
+  void CreateVariables(Scope &scope, const WhileParam<CPU> &param) {
+    for (const auto &var_desc : param.sub_block_->Vars()) {
+      auto var = scope.Var(var_desc->Name());
+      if (var_desc->Type() == framework::VARTYPE_TYPE_LOD_TENSOR) {
+        if (var_desc->Persistable()) {
+          auto dim = var_desc->Tensor_desc().Dims();
+          auto tensor = var->framework::Variable::GetMutable<LoDTensor>();
+          tensor->Resize(framework::make_ddim(dim));
+        } else {
+          auto dim = var_desc->Tensor_desc().Dims();
+          if (dim.size() == 0) {
+            auto tensor = var->framework::Variable::GetMutable<LoDTensor>();
+            framework::DDim dDim = {0};
+            tensor->Resize(dDim);
+          } else {
+            for (auto &d : dim) {
+              if (d < 0) {
+                d *= -1;
+              }
+            }
+            auto tensor = var->framework::Variable::GetMutable<LoDTensor>();
+            tensor->Resize(framework::make_ddim(dim));
+          }
+        }
+      } else {
+        // TODO(codeWorm)
+      }
+    }
+  }
+
  private:
   framework::Scope *scope_;
   std::vector<OperatorPtr> ops_of_block_;
@@ -59,9 +95,28 @@ bool WhileKernel<CPU, float>::Init(WhileParam<CPU> *param) {
 
 template <>
 void WhileKernel<CPU, float>::Compute(const WhileParam<CPU> &param) {
+  DLOG << "WhileKernel Compute";
+  WhileStepExecutor executor(param.sub_block_, param.scope_);
   auto &current_scope = param.scope_->NewScope();
-  StepExecutor executor(param.sub_block_, &current_scope);
+  executor.CreateVariables(current_scope, param);
   while (param.cond_->data<bool>()[0]) {
+    if (param.is_test) {
+      for (auto &name : current_scope.LocalVarNames()) {
+        auto *var = current_scope.Var(name);
+        if (var->IsType<framework::LoDTensor>()) {
+          // Clear all lod information for all lod_tensors.
+          auto *t = var->GetMutable<framework::LoDTensor>();
+          framework::LoD empty_lod;
+          t->set_lod(empty_lod);
+        } else if (var->IsType<framework::LoDTensorArray>()) {
+          // Clear elements of all tensor arrays.
+          auto *t = var->GetMutable<framework::LoDTensorArray>();
+          t->clear();
+        } else {
+          // todo
+        }
+      }
+    }
     executor.Run();
   }
   param.scope_->DeleteScope(&current_scope);
diff --git a/src/operators/kernel/assign_kernel.h b/src/operators/kernel/assign_kernel.h
new file mode 100644
index 0000000000000000000000000000000000000000..0d06bb752190b3f720725c2296890e5059402b87
--- /dev/null
+++ b/src/operators/kernel/assign_kernel.h
@@ -0,0 +1,53 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef ASSIGN_OP
+
+#pragma once
+
+#include <vector>
+#include "framework/operator.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <typename Dtype>
+class AssignParam : public OpParam {
+  typedef typename DtypeTensorTrait<Dtype>::gtype GType;
+  typedef typename DtypeTensorTrait<Dtype>::rtype RType;
+
+ public:
+  AssignParam(const VariableNameMap &inputs, const VariableNameMap &outputs,
+              const AttributeMap &attrs, Scope *scope)
+      : OpParam(inputs, outputs, attrs, scope) {
+    input_ = OpParam::InputXFrom<GType>(inputs, *scope);
+    output_ = OpParam::OutFrom<GType>(outputs, *scope);
+  }
+
+  const GType *Input() const { return input_; }
+
+  GType *Output() const { return output_; }
+
+ private:
+  GType *input_;
+  GType *output_;
+};
+
+DECLARE_KERNEL(Assign, AssignParam);
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif  // ASSIGN_OP
diff --git a/src/operators/kernel/central-arm-func/elementwise_add_arm_func.h b/src/operators/kernel/central-arm-func/elementwise_add_arm_func.h
index 40db0f1dcf1085ce119f2173b6d9da740a2058bc..877ae712cf6e593337a4f46645c394be6d7da9ee 100644
--- a/src/operators/kernel/central-arm-func/elementwise_add_arm_func.h
+++ b/src/operators/kernel/central-arm-func/elementwise_add_arm_func.h
@@ -34,6 +34,42 @@ inline void ElementwiseAddCompute(const ElementwiseAddParam<CPU> &param) {
   math::AddElememtWise<IDENTITY>(input_x, input_y, axis, output);
 }
 
+template <typename Dtype, ActivationType Act>
+struct AddElememtWiseStruct {
+  void operator()(const Tensor *X, const Tensor *Y, const int Axis,
+                  Tensor *Out) {}
+};
+
+template <ActivationType Act>
+struct AddElememtWiseStruct<int, Act> {
+  void operator()(const Tensor *input, const Tensor *bias, const int Axis,
+                  Tensor *output) {
+    const auto &x_dims = input->dims();
+    const auto &y_dims = bias->dims();
+    const int *input_data = input->data<int>();
+    const int *bias_data = bias->data<int>();
+    int *output_data = output->mutable_data<int>();
+
+    if (x_dims == y_dims) {
+      size_t channels = 1;
+      size_t elementwise_num = 1;
+      for (int i = 0; i < y_dims.size(); ++i) {
+        channels *= y_dims[i];
+      }
+#pragma omp parallel for
+      for (int j = 0; j < channels; ++j) {
+        size_t offset = (0 * channels + j) * elementwise_num;
+        const int *input = input_data + offset;
+        const int bias = bias_data[j];
+        int *output = output_data + offset;
+        for (int k = 0; k < elementwise_num; ++k) {
+          output[k] = math::Active<Act>(input[k] + bias);
+        }
+      }
+    }
+  }
+};
+
 template class ElementwiseAddKernel<CPU, float>;
 
 }  // namespace operators
diff --git a/src/operators/kernel/central-arm-func/multiclass_nms_arm_func.h b/src/operators/kernel/central-arm-func/multiclass_nms_arm_func.h
index b021a574d680d44e9c2d9be5a8627671dedbadea..f44f348aa640fd2c3176ca365ca4c120ff570b95 100644
--- a/src/operators/kernel/central-arm-func/multiclass_nms_arm_func.h
+++ b/src/operators/kernel/central-arm-func/multiclass_nms_arm_func.h
@@ -294,6 +294,11 @@ void MultiClassNMSCompute(const MultiClassNMSParam<CPU>& param) {
       }
     }
   }
+
+  framework::LoD lod;
+  lod.emplace_back(batch_starts);
+
+  outs->set_lod(lod);
 }
 
 }  // namespace operators
diff --git a/src/operators/kernel/compare_kernel.h b/src/operators/kernel/compare_kernel.h
index 0f8a8ac74131054ebca53566dc38c374e9dafe4c..8932ca7757339717c13e16633b112adbda9ba2b2 100644
--- a/src/operators/kernel/compare_kernel.h
+++ b/src/operators/kernel/compare_kernel.h
@@ -24,5 +24,9 @@ namespace operators {
 DECLARE_KERNEL(LessThan, CompareParam);
 #endif  // LESS_THAN_OP
 
+#ifdef EQUAL_OP
+DECLARE_KERNEL(Equal, CompareParam);
+#endif  // EQUAL_OP
+
 }  // namespace operators
 }  // namespace paddle_mobile
diff --git a/src/operators/kernel/conditional_block_kernel.h b/src/operators/kernel/conditional_block_kernel.h
new file mode 100644
index 0000000000000000000000000000000000000000..851d558c2c96fe868df7f5dd93556323a685a2d1
--- /dev/null
+++ b/src/operators/kernel/conditional_block_kernel.h
@@ -0,0 +1,70 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef CONDITIONAL_BLOCK_OP
+
+#pragma once
+
+#include <vector>
+#include "framework/operator.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <typename Dtype>
+class ConditionalBlockParam : public OpParam {
+  typedef typename DtypeTensorTrait<Dtype>::gtype GType;
+  typedef typename DtypeTensorTrait<Dtype>::rtype RType;
+
+ public:
+  ConditionalBlockParam(const VariableNameMap &inputs,
+                        const VariableNameMap &outputs,
+                        const AttributeMap &attrs, Scope *scope)
+      : OpParam(inputs, outputs, attrs, scope) {
+    input_ = OpParam::GetMultiVarValue<GType>("Input", inputs, *scope);
+    cond_ = OpParam::GetMultiVarValue<GType>("Cond", inputs, *scope);
+    output_ = OpParam::OutFrom<GType>(outputs, *scope);
+    scope_ = OpParam::GetVar("Scope", outputs, *scope);
+    is_scalar_condition_ = GetAttr<bool>("is_scalar_condition", attrs);
+    sub_block_ = GetAttr<framework::BlockDesc *>("sub_block", attrs);
+  }
+
+  const vector<GType *> Input() const { return input_; }
+
+  const vector<GType *> Cond() const { return cond_; }
+
+  GType *Output() const { return output_; }
+
+  Variable *OutputScope() const { return scope_; }
+
+  bool isScalarCondition() const { return is_scalar_condition_; }
+
+  framework::BlockDesc *getSubBlock() const { return sub_block_; }
+
+ private:
+  vector<GType *> input_;
+  vector<GType *> cond_;
+  GType *output_;
+  Variable *scope_;
+  bool is_scalar_condition_;
+  framework::BlockDesc *sub_block_;
+};
+
+DECLARE_KERNEL(ConditionalBlock, ConditionalBlockParam);
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif  // CONDITIONAL_BLOCK_OP
diff --git a/src/operators/kernel/detection_kernel.h b/src/operators/kernel/detection_kernel.h
index 77c35b0253d06f2bc979861e53daeba815b46647..89c8348d5bc9b1a2a9fb84de14a3f73e26734154 100644
--- a/src/operators/kernel/detection_kernel.h
+++ b/src/operators/kernel/detection_kernel.h
@@ -204,6 +204,9 @@ class RoiPerspectiveParam : public OpParam {
         OpParam::GetVarValue<framework::LoDTensor>("ROIs", inputs, *scope);
     output_ =
         OpParam::GetVarValue<framework::LoDTensor>("Out", outputs, *scope);
+    transform_Matrix_ = OpParam::GetVarValue<framework::LoDTensor>(
+        "TransformMatrix", outputs, *scope);
+    mask = OpParam::GetVarValue<framework::LoDTensor>("Mask", outputs, *scope);
 
     spatial_scale_ = OpParam::GetAttr<float>("spatial_scale", attrs);
     transformed_height_ = OpParam::GetAttr<int>("transformed_height", attrs);
@@ -214,6 +217,8 @@ class RoiPerspectiveParam : public OpParam {
   framework::Tensor *input_x_;
   framework::LoDTensor *input_rois_;
   framework::Tensor *output_;
+  framework::Tensor *transform_Matrix_;
+  framework::Tensor *mask;
 
   float spatial_scale_;
   int transformed_height_;
diff --git a/src/operators/kernel/range_kernel.cpp b/src/operators/kernel/range_kernel.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9384eb0195e9b0f58804483ef9b7cdb91cd0f62e
--- /dev/null
+++ b/src/operators/kernel/range_kernel.cpp
@@ -0,0 +1,49 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef RANGE_OP
+
+#include "operators/kernel/range_kernel.h"
+#include "framework/data_type.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <>
+bool RangeKernel<CPU, float>::Init(RangeParam<CPU>* param) {
+  return true;
+}
+
+template <>
+void RangeKernel<CPU, float>::Compute(const RangeParam<CPU>& param) {
+  int start = param.Start()->data<int>()[0];
+  int end = param.End()->data<int>()[0];
+  int step = param.Step()->data<int>()[0];
+  auto* out = param.Output();
+
+  int64_t size = 0;
+  GetSize(start, end, step, &size);
+  out->Resize(framework::make_ddim({size}));
+  auto* out_data = out->mutable_data<int>();
+  auto value = start;
+  for (int64_t i = 0; i < size; ++i) {
+    out_data[i] = value;
+    value += step;
+  }
+}
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif  // RANGE_OP
diff --git a/src/operators/kernel/range_kernel.h b/src/operators/kernel/range_kernel.h
new file mode 100644
index 0000000000000000000000000000000000000000..b328b6769f386a2b597b17aad376c8422db47087
--- /dev/null
+++ b/src/operators/kernel/range_kernel.h
@@ -0,0 +1,70 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef RANGE_OP
+
+#pragma once
+
+#include <vector>
+#include "framework/operator.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+inline void GetSize(float start, float end, float step, int64_t *size) {
+  PADDLE_MOBILE_ENFORCE(!std::equal_to<float>()(step, 0),
+                        "The step of range op should not be 0.");
+  PADDLE_MOBILE_ENFORCE(
+      ((start < end) && (step > 0)) || ((start > end) && (step < 0)),
+      "The step should be greater than 0 while start < end. And the "
+      "step should be less than 0 while start > end.");
+  *size = std::is_integral<float>::value
+              ? ((std::abs(end - start) + std::abs(step) - 1) / std::abs(step))
+              : std::ceil(std::abs((end - start) / step));
+}
+
+template <typename Dtype>
+class RangeParam : public OpParam {
+  typedef typename DtypeTensorTrait<Dtype>::gtype GType;
+  typedef typename DtypeTensorTrait<Dtype>::rtype RType;
+
+ public:
+  RangeParam(const VariableNameMap &inputs, const VariableNameMap &outputs,
+             const AttributeMap &attrs, Scope *scope)
+      : OpParam(inputs, outputs, attrs, scope) {
+    start_ = OpParam::GetVarValue<GType>("Start", inputs, *scope);
+    end_ = OpParam::GetVarValue<GType>("End", inputs, *scope);
+    step_ = OpParam::GetVarValue<GType>("Step", inputs, *scope);
+    output_ = OpParam::OutFrom<GType>(outputs, *scope);
+  }
+
+  GType *Start() const { return start_; }
+  const GType *End() const { return end_; }
+  const GType *Step() const { return step_; }
+  GType *Output() const { return output_; }
+
+ private:
+  GType *start_;
+  GType *end_;
+  GType *step_;
+  GType *output_;
+};
+
+DECLARE_KERNEL(Range, RangeParam);
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif  // RANGE_OP
diff --git a/src/operators/kernel/reduce_prod_kernel.cpp b/src/operators/kernel/reduce_prod_kernel.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c40e5c4615013b5f3be8ff9260866a55afc1c973
--- /dev/null
+++ b/src/operators/kernel/reduce_prod_kernel.cpp
@@ -0,0 +1,65 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef REDUCE_PROD_OP
+
+#include "operators/kernel/reduce_prod_kernel.h"
+#include <operators/reduce_prod_op.h>
+#include <array>
+#include "framework/data_type.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <>
+bool ReduceProdKernel<CPU, float>::Init(ReduceProdParam<CPU>* param) {
+  return true;
+}
+
+template <>
+void ReduceProdKernel<CPU, float>::Compute(const ReduceProdParam<CPU>& param) {
+  auto* input = param.Input();
+  if (input->type() == type_id<int>().hash_code()) {
+    bool reduce_all = param.isReduceAll();
+    auto* output = param.Output();
+    auto dim = param.getDim();
+    auto* out_data = output->mutable_data<int>();
+    const auto* input_x_data = input->data<int>();
+
+    auto dims = param.getDim();
+    bool keep_dim = param.isKeepDim();
+
+    if (reduce_all) {
+      size_t stride = 1;
+      for (int j = dim[0]; j < input->dims().size(); ++j) {
+        stride *= input->dims()[j];
+      }
+      auto numel = output->numel();
+      for (int i = 0; i < numel; i++) {
+        int64_t mul = 1;
+        for (int j = 0; j < stride; ++j, ++input_x_data) {
+          mul *= (*input_x_data);
+        }
+        out_data[i] = mul;
+      }
+    } else {
+      // todo
+    }
+  }
+}
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif  // REDUCE_PROD_OP
diff --git a/src/operators/kernel/reduce_prod_kernel.h b/src/operators/kernel/reduce_prod_kernel.h
new file mode 100644
index 0000000000000000000000000000000000000000..73c93fdc0b175092868a2198775d6e21ef42846e
--- /dev/null
+++ b/src/operators/kernel/reduce_prod_kernel.h
@@ -0,0 +1,65 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef REDUCE_PROD_OP
+
+#pragma once
+
+#include <vector>
+#include "framework/operator.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <typename Dtype>
+class ReduceProdParam : public OpParam {
+  typedef typename DtypeTensorTrait<Dtype>::gtype GType;
+  typedef typename DtypeTensorTrait<Dtype>::rtype RType;
+
+ public:
+  ReduceProdParam(const VariableNameMap &inputs, const VariableNameMap &outputs,
+                  const AttributeMap &attrs, Scope *scope)
+      : OpParam(inputs, outputs, attrs, scope) {
+    input_ = OpParam::InputXFrom<GType>(inputs, *scope);
+    output_ = OpParam::OutFrom<GType>(outputs, *scope);
+    reduce_all_ = GetAttr<bool>("reduce_all", attrs);
+    keep_dim_ = GetAttr<bool>("keep_dim", attrs);
+    dim_ = GetAttr<std::vector<int>>("dim", attrs);
+  }
+
+  const GType *Input() const { return input_; }
+
+  GType *Output() const { return output_; }
+
+  bool isReduceAll() const { return reduce_all_; }
+
+  bool isKeepDim() const { return keep_dim_; }
+
+  const vector<int> getDim() const { return dim_; }
+
+ private:
+  GType *input_;
+  GType *output_;
+  bool reduce_all_;
+  bool keep_dim_;
+  std::vector<int> dim_;
+};
+
+DECLARE_KERNEL(ReduceProd, ReduceProdParam)
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif  // REDUCE_PROD_OP
diff --git a/src/operators/kernel/while_kernel.h b/src/operators/kernel/while_kernel.h
index ba014a9079f6877f726d7697c487653b848f9dbb..6882ef047f4ec7be15ad8fc16a479f06f3563947 100644
--- a/src/operators/kernel/while_kernel.h
+++ b/src/operators/kernel/while_kernel.h
@@ -30,12 +30,14 @@ class WhileParam : public OpParam {
     cond_ =
         OpParam::GetVarValue<framework::LoDTensor>("Condition", inputs, *scope);
     sub_block_ = OpParam::GetAttr<framework::BlockDesc *>("sub_block", attrs);
+    is_test = OpParam::GetAttr<bool>("is_test", attrs);
   }
 
  public:
-  const Scope *scope_;
+  Scope *scope_;
   framework::LoDTensor *cond_;
   framework::BlockDesc *sub_block_;
+  bool is_test;
 };
 
 DECLARE_KERNEL(While, WhileParam);
diff --git a/src/operators/lod_reset_op.cpp b/src/operators/lod_reset_op.cpp
index 1eca733fd95e0893fe811da15290ee5878d1ac77..1f3152a9a587e52622e166309ecaad801ca0f618 100644
--- a/src/operators/lod_reset_op.cpp
+++ b/src/operators/lod_reset_op.cpp
@@ -23,6 +23,9 @@ template <typename Dtype, typename T>
 void LodResetOp<Dtype, T>::InferShape() const {
   const auto &input_dims = this->param_.input_x_->dims();
   this->param_.output_->Resize(input_dims);
+  if (this->param_.append) {
+    this->param_.output_->set_lod(this->param_.input_x_->lod());
+  }
 }
 
 }  // namespace operators
diff --git a/src/operators/math/activation.h b/src/operators/math/activation.h
index d5a4cba4ce621478af877b5e7e3b8f8118be50dc..d2b465c2bcf9430b59f76afd8b44c55d7973f686 100644
--- a/src/operators/math/activation.h
+++ b/src/operators/math/activation.h
@@ -131,6 +131,11 @@ inline float Active(const float &x) {
   return x;
 }
 
+template <ActivationType Act = IDENTITY>
+inline int Active(const int &x) {
+  return x;
+}
+
 template <>
 inline float Active<RELU>(const float &x) {
   return std::max(x, 0.f);
diff --git a/src/operators/op_param.h b/src/operators/op_param.h
index 029295aed3ebbd5a2e0633426c36ba3d2a396a29..42ea234710ad288f616c01905f44726a15893e74 100644
--- a/src/operators/op_param.h
+++ b/src/operators/op_param.h
@@ -1330,6 +1330,55 @@ class FillConstantParam : public OpParam {
 };
 #endif
 
+#ifdef FILL_CONSTANT_BATCH_SIZE_LIKE_OP
+template <typename Dtype>
+class FillConstantBatchSizeLikeParam : public OpParam {
+  typedef typename DtypeTensorTrait<Dtype>::gtype GType;
+  typedef typename DtypeTensorTrait<Dtype>::rtype RType;
+
+ public:
+  FillConstantBatchSizeLikeParam(const VariableNameMap &inputs,
+                                 const VariableNameMap &outputs,
+                                 const AttributeMap &attrs, Scope *scope)
+      : OpParam(inputs, outputs, attrs, scope) {
+    input_ = InputFrom<GType>(inputs, *scope);
+    out_var_ = OutVarFrom(outputs, *scope);
+    out_ = OutFrom<GType>(outputs, *scope);
+    dtype_ = GetAttr<int>("dtype", attrs);
+    shape_ = GetAttr<vector<int>>("shape", attrs);
+    value_ = GetAttr<float>("value", attrs);
+    input_dim_idx_ = GetAttr<int>("input_dim_idx", attrs);
+    output_dim_idx_ = GetAttr<int>("output_dim_idx", attrs);
+  }
+
+  Variable *OutVar() const { return out_var_; }
+
+  const GType *Input() const { return input_; }
+
+  GType *Out() const { return out_; }
+
+  const int &DataDtype() const { return dtype_; }
+
+  const vector<int> &Shape() const { return shape_; }
+
+  const float &Value() const { return value_; }
+
+  int InputDimIdx() const { return input_dim_idx_; }
+
+  int OutputDimIdx() const { return output_dim_idx_; }
+
+ private:
+  GType *input_;
+  Variable *out_var_;
+  GType *out_;
+  int dtype_;
+  vector<int> shape_;
+  float value_;
+  int input_dim_idx_;
+  int output_dim_idx_;
+};
+#endif
+
 #ifdef TRANSPOSE_OP
 template <typename Dtype>
 class TransposeParam : public OpParam {
@@ -3236,6 +3285,7 @@ class LodResetParam : public OpParam {
     } else {
       target_lod_ = OpParam::GetAttr<vector<int>>("target_lod", attrs);
     }
+    append = OpParam::GetAttr<bool>("append", attrs);
   }
 
  public:
@@ -3243,6 +3293,7 @@ class LodResetParam : public OpParam {
   GType *input_y_;
   GType *output_;
   std::vector<int> target_lod_;
+  bool append;
 };
 #endif  // LOD_RESET_OP
 
diff --git a/src/operators/range_op.cpp b/src/operators/range_op.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b7abb52f0f49bf271eebed1bf94544b17fa26fbf
--- /dev/null
+++ b/src/operators/range_op.cpp
@@ -0,0 +1,45 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef RANGE_OP
+
+#include "operators/range_op.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <typename Dtype, typename T>
+void RangeOp<Dtype, T>::InferShape() const {
+  auto s_dims = this->param_.Start()->dims();
+  PADDLE_MOBILE_ENFORCE((s_dims.size() == 1) && (s_dims[0] == 1),
+                        "The shape of Input(Start) should be [1].");
+  auto e_dims = this->param_.End()->dims();
+  PADDLE_MOBILE_ENFORCE((e_dims.size() == 1) && (e_dims[0] == 1),
+                        "The shape of Input(End) should be [1].");
+  auto step_dims = this->param_.Step()->dims();
+  PADDLE_MOBILE_ENFORCE((step_dims.size() == 1) && (step_dims[0] == 1),
+                        "The shape of Input(Step) should be [1].");
+  this->param_.Output()->Resize({-1});
+}
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+namespace ops = paddle_mobile::operators;
+
+#ifdef PADDLE_MOBILE_CPU
+REGISTER_OPERATOR_CPU(range, ops::RangeOp);
+#endif
+
+#endif  // ASSIGN_OP
diff --git a/src/operators/range_op.h b/src/operators/range_op.h
new file mode 100644
index 0000000000000000000000000000000000000000..a3ca1a56ff3d51e7020d165686c9a673873414c3
--- /dev/null
+++ b/src/operators/range_op.h
@@ -0,0 +1,33 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef RANGE_OP
+
+#pragma once
+
+#include <string>
+
+#include "framework/operator.h"
+#include "operators/kernel/range_kernel.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+DECLARE_OPERATOR(Range, RangeParam, RangeKernel);
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif
diff --git a/src/operators/reduce_prod_op.cpp b/src/operators/reduce_prod_op.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..d246965de05b24f23619b7bb4296da1a5b7f1a4c
--- /dev/null
+++ b/src/operators/reduce_prod_op.cpp
@@ -0,0 +1,83 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef REDUCE_PROD_OP
+
+#include "operators/reduce_prod_op.h"
+#include <algorithm>
+
+namespace paddle_mobile {
+namespace operators {
+
+template <typename Dtype, typename T>
+void ReduceProdOp<Dtype, T>::InferShape() const {
+  PADDLE_MOBILE_ENFORCE(this->param_.Input() != nullptr,
+                        "Input (X) of ReduceOp op should not be null.");
+  PADDLE_MOBILE_ENFORCE(this->param_.Output() != nullptr,
+                        "Output (Output) of ReduceOp op should not be null.");
+
+  auto x_dims = this->param_.Input()->dims();
+  auto x_rank = x_dims.size();
+  PADDLE_MOBILE_ENFORCE(x_rank <= 6,
+                        "Tensors with rank at most 6 are supported.");
+  auto dims = this->param_.getDim();
+  for (size_t i = 0; i < dims.size(); ++i) {
+    if (dims[i] < 0) dims[i] = x_rank + dims[i];
+    PADDLE_MOBILE_ENFORCE(
+        dims[i] < x_rank,
+        "The dim should be in the range [-rank(input), rank(input)).");
+  }
+  sort(dims.begin(), dims.end());
+  bool reduce_all = this->param_.isReduceAll();
+  bool keep_dim = this->param_.isKeepDim();
+  if (reduce_all) {
+    if (keep_dim)
+      this->param_.Output()->Resize(
+          framework::make_ddim(std::vector<int64_t>(x_rank, 1)));
+    else
+      this->param_.Output()->Resize({1});
+  } else {
+    auto dims_vector = vectorize(x_dims);
+    if (keep_dim) {
+      for (size_t i = 0; i < dims.size(); ++i) {
+        dims_vector[dims[i]] = 1;
+      }
+    } else {
+      const int kDelFlag = -2;
+      for (size_t i = 0; i < dims.size(); ++i) {
+        dims_vector[dims[i]] = kDelFlag;
+      }
+      dims_vector.erase(
+          remove(dims_vector.begin(), dims_vector.end(), kDelFlag),
+          dims_vector.end());
+    }
+    auto out_dims = framework::make_ddim(dims_vector);
+    this->param_.Output()->Resize(out_dims);
+    if (dims[0] != 0) {
+      // Only pass LoD when not reducing on the first dim.
+      this->param_.Output()->set_lod(this->param_.Input()->lod());
+    }
+  }
+}
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+namespace ops = paddle_mobile::operators;
+
+#ifdef PADDLE_MOBILE_CPU
+REGISTER_OPERATOR_CPU(reduce_prod, ops::ReduceProdOp);
+#endif
+
+#endif  // REDUCE_PROD_OP
diff --git a/src/operators/reduce_prod_op.h b/src/operators/reduce_prod_op.h
new file mode 100644
index 0000000000000000000000000000000000000000..46af419d2598b8dae123468c899a43c3d4a33c0c
--- /dev/null
+++ b/src/operators/reduce_prod_op.h
@@ -0,0 +1,33 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifdef REDUCE_PROD_OP
+
+#pragma once
+
+#include <string>
+
+#include "framework/operator.h"
+#include "operators/kernel/reduce_prod_kernel.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+DECLARE_OPERATOR(ReduceProd, ReduceProdParam, ReduceProdKernel);
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif
diff --git a/src/operators/slice_op.cpp b/src/operators/slice_op.cpp
index d1794b1fcef091e4b7675fc3a92325ed2d82a8a9..6cb9cebaa328a6b75bf5bbcef7179ab6ac1a9abb 100644
--- a/src/operators/slice_op.cpp
+++ b/src/operators/slice_op.cpp
@@ -56,10 +56,37 @@ void SliceOp<Dtype, T>::InferShape() const {
                           this->param_.output_->dims().size())) ==
           3,
       "op only support slice channel now");
-#else
-  PADDLE_MOBILE_ENFORCE(input->dims().size() - axes[0] == 3,
-                        "op only support slice channel now");
 #endif
+  if (input->dims().size() >= 4) {
+    PADDLE_MOBILE_ENFORCE(input->dims().size() - axes[0] == 3,
+                          "op only support slice channel now");
+  }
+  auto starts = this->param_.starts_;
+  auto ends = this->param_.ends_;
+  framework::DDim out_dims(input->dims());
+  PADDLE_MOBILE_ENFORCE(starts.size() == ends.size(),
+                        "starts.size should equal ends.size");
+  PADDLE_MOBILE_ENFORCE(axes.size() == starts.size(),
+                        "axes.size should equal starts.size");
+  int dim_value, start, end;
+  for (size_t i = 0; i < axes.size(); ++i) {
+    dim_value = out_dims[axes[i]];
+    if (dim_value > 0) {
+      start = starts[i] < 0 ? (starts[i] + dim_value) : starts[i];
+      end = ends[i] < 0 ? (ends[i] + dim_value) : ends[i];
+      start = std::max(start, 0);
+      end = std::max(end, 0);
+      // start = std::min(start, dim_value);
+      end = std::min(end, dim_value);
+      // start = std::min(start, end);
+      PADDLE_MOBILE_ENFORCE(end > start, "end should greater than start");
+      out_dims[axes[i]] = end - start;
+    }
+  }
+  output->Resize(out_dims);
+  if (axes[0] != 0) {
+    output->set_lod(input->lod());
+  }
 }
 
 }  // namespace operators
diff --git a/tools/op.cmake b/tools/op.cmake
index eb23a5b39163cf452cc3503a95ee8169cd4c0c93..358fb641cc3d08bca9a663324a3a87c9a72f5067 100755
--- a/tools/op.cmake
+++ b/tools/op.cmake
@@ -370,6 +370,12 @@ if(NOT FOUND_MATCH)
   set(ASSIGN_VALUE_OP ON)
   set(NEAREST_INTERP_OP ON)
   set(LEAKY_RELU_OP ON)
+  set(ASSIGN_OP ON)
+  set(CONDITIONAL_BLOCK_OP ON)
+  set(EQUAL_OP ON)
+  set(FILL_CONSTANT_BATCH_SIZE_LIKE_OP ON)
+  set(RANGE_OP ON)
+  set(REDUCE_PROD_OP ON)
 endif()
 
   # option(BATCHNORM_OP "" ON)
@@ -719,3 +725,21 @@ endif()
 if (EXP_OP)
   add_definitions(-DEXP_OP)
 endif ()
+if (ASSIGN_OP)
+  add_definitions(-DASSIGN_OP)
+endif()
+if (CONDITIONAL_BLOCK_OP)
+  add_definitions(-DCONDITIONAL_BLOCK_OP)
+endif()
+if (EQUAL_OP)
+  add_definitions(-DEQUAL_OP)
+endif()
+if (FILL_CONSTANT_BATCH_SIZE_LIKE_OP)
+  add_definitions(-DFILL_CONSTANT_BATCH_SIZE_LIKE_OP)
+endif()
+if (RANGE_OP)
+  add_definitions(-DRANGE_OP)
+endif()
+if (REDUCE_PROD_OP)
+  add_definitions(-DREDUCE_PROD_OP)
+endif()