diff --git a/mindspore/lite/src/ops/bias_add.cc b/mindspore/lite/src/ops/bias_add.cc
index 9368316635..849738cbb3 100644
--- a/mindspore/lite/src/ops/bias_add.cc
+++ b/mindspore/lite/src/ops/bias_add.cc
@@ -48,7 +48,7 @@ int BiasAdd::UnPackAttr(const Primitive &prim, const std::vector<AnfNodePtr> &in
       return RET_ERROR;
     }
     if (prim.GetAttr("axis") == nullptr) {
-      MS_LOG(WARNING) << "get axis failed";
+      MS_LOG(INFO) << "BiasAdd's attr axis is set to default";
       attr->axis = {1};
     } else {
       attr->axis = GetValue<std::vector<int>>(prim.GetAttr("axis"));
diff --git a/mindspore/lite/src/ops/lstm.cc b/mindspore/lite/src/ops/lstm.cc
index 0dedb39a7c..b0f4d7771c 100644
--- a/mindspore/lite/src/ops/lstm.cc
+++ b/mindspore/lite/src/ops/lstm.cc
@@ -84,6 +84,8 @@ int Lstm::InferShape(std::vector<Tensor *> inputs_, std::vector<Tensor *> output
   out_shape[2] = hidden_size;
   if (GetBidirection()) {
     out_shape.insert(out_shape.begin() + 1, 2);
+  } else {
+    out_shape.insert(out_shape.begin() + 1, 1);
   }
   output->set_shape(out_shape);
   // set hidden state, cell state
diff --git a/mindspore/lite/src/ops/power.cc b/mindspore/lite/src/ops/power.cc
index f99bfa8124..5f44f2d239 100644
--- a/mindspore/lite/src/ops/power.cc
+++ b/mindspore/lite/src/ops/power.cc
@@ -56,19 +56,19 @@ int Power::UnPackAttr(const Primitive &prim, const std::vector<AnfNodePtr> &inpu
     }
 
     if (prim.GetAttr("scale") == nullptr) {
-      MS_LOG(WARNING) << "get scale failed";
+      MS_LOG(INFO) << "Power's attr scale is set to default";
       attr->scale = 1.0f;
     } else {
       attr->scale = GetValue<float>(prim.GetAttr("scale"));
     }
     if (prim.GetAttr("power") == nullptr) {
-      MS_LOG(WARNING) << "get power failed";
+      MS_LOG(INFO) << "Power's attr power is set to default";
       attr->power = 1.0f;
     } else {
       attr->power = GetValue<float>(prim.GetAttr("power"));
     }
     if (prim.GetAttr("shift") == nullptr) {
-      MS_LOG(WARNING) << "get shift failed";
+      MS_LOG(INFO) << "Power's attr shift is set to default";
       attr->shift = 0;
     } else {
       attr->shift = GetValue<float>(prim.GetAttr("shift"));
diff --git a/mindspore/lite/src/ops/squeeze.cc b/mindspore/lite/src/ops/squeeze.cc
index 700bee9494..3e3d8589a7 100644
--- a/mindspore/lite/src/ops/squeeze.cc
+++ b/mindspore/lite/src/ops/squeeze.cc
@@ -47,7 +47,7 @@ int Squeeze::UnPackAttr(const Primitive &prim, const std::vector<AnfNodePtr> &in
       return RET_ERROR;
     }
     if (prim.GetAttr("axis") == nullptr) {
-      MS_LOG(WARNING) << "get axis failed";
+      MS_LOG(INFO) << "Squeeze's attr xis is set to default";
       attr->axis = {0};
     } else {
       int axis = GetValue<int>(prim.GetAttr("axis"));
diff --git a/mindspore/lite/src/ops/tile.cc b/mindspore/lite/src/ops/tile.cc
index 3247b2fdd5..49e907c9ab 100644
--- a/mindspore/lite/src/ops/tile.cc
+++ b/mindspore/lite/src/ops/tile.cc
@@ -53,7 +53,7 @@ int Tile::UnPackAttr(const Primitive &prim, const std::vector<AnfNodePtr> &input
       return RET_ERROR;
     }
     if (prim.GetAttr("dims") == nullptr) {
-      MS_LOG(WARNING) << "get dims failed";
+      MS_LOG(INFO) << "Tile's attr dims is set to default";
       attr->dims = {1};
     } else {
       attr->dims = GetValue<std::vector<int>>(prim.GetAttr("dims"));
diff --git a/mindspore/lite/src/ops/transpose.cc b/mindspore/lite/src/ops/transpose.cc
index 37bf1c4ab4..1c1dc46ec3 100644
--- a/mindspore/lite/src/ops/transpose.cc
+++ b/mindspore/lite/src/ops/transpose.cc
@@ -124,6 +124,7 @@ int Transpose::InferShape(std::vector<Tensor *> inputs_, std::vector<Tensor *> o
   if (!GetInferFlag()) {
     return RET_OK;
   }
+  MS_ASSERT(inputs_.size() == kSingleNum || inputs_.size() == kDoubleNum);
   MS_ASSERT(outputs_.size() == kSingleNum);
 
   int conjugate = GetConjugate();
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp32/transpose_fp32.cc b/mindspore/lite/src/runtime/kernel/arm/fp32/transpose_fp32.cc
index e9a736bede..08cf7df921 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp32/transpose_fp32.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp32/transpose_fp32.cc
@@ -116,6 +116,7 @@ int TransposeFp32Run(void *cdata, int task_id) {
 }
 
 int TransposeCPUKernel::Run() {
+  MS_ASSERT(in_tensors_.size() == 1 || in_tensors_.size() == 2);
   MS_ASSERT(out_tensors_.size() == 1);
   auto &in_tensor = in_tensors_.front();
   auto &out_tensor = out_tensors_.front();
diff --git a/mindspore/lite/tools/converter/parser/onnx/onnx_arithmetic_operation_parser.cc b/mindspore/lite/tools/converter/parser/onnx/onnx_arithmetic_operation_parser.cc
index c1d8214bae..173ddde1b9 100644
--- a/mindspore/lite/tools/converter/parser/onnx/onnx_arithmetic_operation_parser.cc
+++ b/mindspore/lite/tools/converter/parser/onnx/onnx_arithmetic_operation_parser.cc
@@ -15,7 +15,9 @@
  */
 
 #include "tools/converter/parser/onnx/onnx_arithmetic_operation_parser.h"
+#include "tools/converter/parser/onnx/onnx_tensor_parser.h"
 #include <memory>
+#include <numeric>
 
 namespace mindspore {
 namespace lite {
@@ -130,21 +132,21 @@ STATUS OnnxPowParser::Parse(const onnx::GraphProto &onnx_graph, const onnx::Node
   }
 
   const auto &onnx_pow_power = onnx_node.input(1);
-  auto nodeIter =
-    std::find_if(onnx_graph.node().begin(), onnx_graph.node().end(),
-                 [onnx_pow_power](const onnx::NodeProto &proto) { return proto.output(0) == onnx_pow_power; });
-  if (nodeIter == onnx_graph.node().end()) {
+  int index = OnnxTensorParser::GetInstance()->GetTensorCache()->FindTensor(onnx_pow_power);
+  if (index == -1) {
     MS_LOG(ERROR) << "can not find node: " << onnx_pow_power;
     return RET_ERROR;
   }
-  const float *pW = nullptr;
-  for (const auto &attrPower : nodeIter->attribute()) {
-    if (attrPower.name() == "value") {
-      const auto &t = attrPower.t();
-      pW = reinterpret_cast<const float *>(t.raw_data().data());
-    }
+  auto pow_attr = OnnxTensorParser::GetInstance()->GetTensorCache()->GetCachedTensor()[index];
+  if (std::accumulate(pow_attr->dims.begin(), pow_attr->dims.end(), 1, std::multiplies<int>()) != 1) {
+    MS_LOG(ERROR) << "the exponent element num is bigger than 1, which don't support now.";
+    return RET_NOT_SUPPORT;
   }
-  attr->power = *pW;
+  if (pow_attr->data.data() == nullptr) {
+    MS_LOG(ERROR) << "power's attr pow can't be obtained.";
+    return RET_INVALID_OP_ATTR;
+  }
+  attr->power = *reinterpret_cast<float *>(pow_attr->data.data());
   attr->scale = 1.0f;
   attr->shift = 0.0f;
   op->primitive->value.type = schema::PrimitiveType_Power;
diff --git a/mindspore/lite/tools/converter/parser/onnx/onnx_deconv_parser.cc b/mindspore/lite/tools/converter/parser/onnx/onnx_deconv_parser.cc
index 24ad60b9fd..729bfcc645 100644
--- a/mindspore/lite/tools/converter/parser/onnx/onnx_deconv_parser.cc
+++ b/mindspore/lite/tools/converter/parser/onnx/onnx_deconv_parser.cc
@@ -27,7 +27,7 @@ bool OnnxDeConvParser::ParseGroupDeConvolution(const std::unique_ptr<schema::DeC
   }
   std::unique_ptr<schema::DeDepthwiseConv2DT> deDepthwiseConv2DParam = std::make_unique<schema::DeDepthwiseConv2DT>();
   if (deDepthwiseConv2DParam == nullptr) {
-    MS_LOG(WARNING) << "new op failed";
+    MS_LOG(ERROR) << "new op failed";
     return false;
   }
   deDepthwiseConv2DParam->format = attr->format;
diff --git a/mindspore/lite/tools/optimizer/common/gllo_utils.cc b/mindspore/lite/tools/optimizer/common/gllo_utils.cc
index c87d6154c6..901377cbdb 100644
--- a/mindspore/lite/tools/optimizer/common/gllo_utils.cc
+++ b/mindspore/lite/tools/optimizer/common/gllo_utils.cc
@@ -374,8 +374,7 @@ schema::PrimitiveType GetCNodeType(const BaseRef &n) {
   } else if (utils::isa<ValueNodePtr>(n)) {
     value_node = utils::cast<ValueNodePtr>(n);
   } else {
-    MS_LOG(ERROR) << "only value node or cnode has type";
-    lite::ReturnCode::GetSingleReturnCode()->UpdateReturnCode(lite::RET_INVALID_OP_ATTR);
+    MS_LOG(INFO) << "only value node or cnode has type";
     return schema::PrimitiveType_NONE;
   }
   if (value_node == nullptr) {