diff --git a/mindspore/lite/tools/benchmark/benchmark.cc b/mindspore/lite/tools/benchmark/benchmark.cc
index a370f32f5e..973220c96c 100644
--- a/mindspore/lite/tools/benchmark/benchmark.cc
+++ b/mindspore/lite/tools/benchmark/benchmark.cc
@@ -419,24 +419,8 @@ int Benchmark::RunBenchmark() {
     std::cout << "CompileGraph failed while running ", model_name.c_str();
     return ret;
   }
-  if (!flags_->input_shape_list_.empty()) {
-    std::vector<std::vector<int>> input_shapes;
-    std::string input_dims_list = flags_->input_shape_list_;
-    while (!input_dims_list.empty()) {
-      auto position =
-        input_dims_list.find(";") != input_dims_list.npos ? input_dims_list.find(";") + 1 : input_dims_list.length();
-      std::string input_dims = input_dims_list.substr(0, position);
-      std::vector<int> input_shape;
-      while (!input_dims.empty()) {
-        auto pos = input_dims.find(",") != input_dims.npos ? input_dims.find(",") + 1 : input_dims.length();
-        std::string dim = input_dims.substr(0, pos);
-        input_shape.emplace_back(std::stoi(dim));
-        input_dims = input_dims.substr(pos);
-      }
-      input_shapes.emplace_back(input_shape);
-      input_dims_list = input_dims_list.substr(position);
-    }
-    ret = session_->Resize(session_->GetInputs(), input_shapes);
+  if (!flags_->resize_dims_.empty()) {
+    ret = session_->Resize(session_->GetInputs(), flags_->resize_dims_);
     if (ret != RET_OK) {
       MS_LOG(ERROR) << "Input tensor resize failed.";
       std::cout << "Input tensor resize failed.";
@@ -496,7 +480,7 @@ void BenchmarkFlags::InitInputDataList() {
 void BenchmarkFlags::InitResizeDimsList() {
   std::string content;
   content = this->resize_dims_in_;
-  std::vector<int64_t> shape;
+  std::vector<int> shape;
   auto shape_strs = StringSplit(content, std::string(DELIM_COLON));
   for (const auto &shape_str : shape_strs) {
     shape.clear();
@@ -504,7 +488,7 @@ void BenchmarkFlags::InitResizeDimsList() {
     std::cout << "Resize Dims: ";
     for (const auto &dim_str : dim_strs) {
       std::cout << dim_str << " ";
-      shape.emplace_back(static_cast<int64_t>(std::stoi(dim_str)));
+      shape.emplace_back(static_cast<int>(std::stoi(dim_str)));
     }
     std::cout << std::endl;
     this->resize_dims_.emplace_back(shape);
@@ -616,7 +600,8 @@ int Benchmark::Init() {
   }
   flags_->InitInputDataList();
   flags_->InitResizeDimsList();
-  if (!flags_->resize_dims_.empty() && flags_->resize_dims_.size() != flags_->input_data_list_.size()) {
+  if (!flags_->resize_dims_.empty() && !flags_->input_data_list_.empty() &&
+      flags_->resize_dims_.size() != flags_->input_data_list_.size()) {
     MS_LOG(ERROR) << "Size of input resizeDims should be equal to size of input inDataPath";
     std::cerr << "Size of input resizeDims should be equal to size of input inDataPath" << std::endl;
     return RET_ERROR;
diff --git a/mindspore/lite/tools/benchmark/benchmark.h b/mindspore/lite/tools/benchmark/benchmark.h
index 198cc38491..5795e9ed3c 100644
--- a/mindspore/lite/tools/benchmark/benchmark.h
+++ b/mindspore/lite/tools/benchmark/benchmark.h
@@ -70,8 +70,8 @@ class MS_API BenchmarkFlags : public virtual FlagParser {
     AddFlag(&BenchmarkFlags::benchmark_data_type_, "benchmarkDataType",
             "Benchmark data type. FLOAT | INT32 | INT8 | UINT8", "FLOAT");
     AddFlag(&BenchmarkFlags::accuracy_threshold_, "accuracyThreshold", "Threshold of accuracy", 0.5);
-    AddFlag(&BenchmarkFlags::input_shape_list_, "inputShapes",
-            "Shape of input data, the format should be NHWC. e.g. 1,32,32,32;1,1,32,32,1", "");
+    AddFlag(&BenchmarkFlags::resize_dims_in_, "inputShapes",
+            "Shape of input data, the format should be NHWC. e.g. 1,32,32,32:1,1,32,32,1", "");
   }
 
   ~BenchmarkFlags() override = default;
@@ -88,7 +88,6 @@ class MS_API BenchmarkFlags : public virtual FlagParser {
   InDataType in_data_type_;
   std::string in_data_type_in_ = "bin";
   int cpu_bind_mode_ = 1;
-  std::string input_shape_list_;
   // MarkPerformance
   int loop_count_;
   int num_threads_;
@@ -101,7 +100,7 @@ class MS_API BenchmarkFlags : public virtual FlagParser {
   float accuracy_threshold_;
   // Resize
   std::string resize_dims_in_ = "";
-  std::vector<std::vector<int64_t>> resize_dims_;
+  std::vector<std::vector<int>> resize_dims_;
 
   std::string device_;
 };