diff --git a/mindspore/ccsrc/minddata/dataset/api/config.cc b/mindspore/ccsrc/minddata/dataset/api/config.cc
index ead8f1b80f7..c726ae6ca19 100644
--- a/mindspore/ccsrc/minddata/dataset/api/config.cc
+++ b/mindspore/ccsrc/minddata/dataset/api/config.cc
@@ -29,7 +29,7 @@ std::shared_ptr<ConfigManager> _config = GlobalContext::config_manager();
 
 // Function to set the seed to be used in any random generator
 bool set_seed(int32_t seed) {
-  if (seed < 0 || seed > UINT32_MAX) {
+  if (seed < 0 || seed > INT32_MAX) {
     MS_LOG(ERROR) << "Seed given is not within the required range: " << seed;
     return false;
   }
@@ -68,7 +68,7 @@ int32_t get_num_parallel_workers() { return _config->num_parallel_workers(); }
 
 // Function to set the default interval (in milliseconds) for monitor sampling
 bool set_monitor_sampling_interval(int32_t interval) {
-  if (interval <= 0 || interval > UINT32_MAX) {
+  if (interval <= 0 || interval > INT32_MAX) {
     MS_LOG(ERROR) << "Interval given is not within the required range: " << interval;
     return false;
   }
@@ -81,7 +81,7 @@ int32_t get_monitor_sampling_interval() { return _config->monitor_sampling_inter
 
 // Function to set the default timeout (in seconds) for DSWaitedCallback
 bool set_callback_timeback(int32_t timeout) {
-  if (timeout <= 0 || timeout > UINT32_MAX) {
+  if (timeout <= 0 || timeout > INT32_MAX) {
     MS_LOG(ERROR) << "Timeout given is not within the required range: " << timeout;
     return false;
   }
diff --git a/mindspore/ccsrc/minddata/dataset/api/datasets.cc b/mindspore/ccsrc/minddata/dataset/api/datasets.cc
index 4d3fe4f7e6f..be7d9422006 100644
--- a/mindspore/ccsrc/minddata/dataset/api/datasets.cc
+++ b/mindspore/ccsrc/minddata/dataset/api/datasets.cc
@@ -539,7 +539,7 @@ ZipDataset::ZipDataset(const std::vector<std::shared_ptr<Dataset>> &datasets) {
 }
 #endif
 int64_t Dataset::GetBatchSize() {
-  int64_t batch_size;
+  int64_t batch_size = -1;
   std::unique_ptr<NativeRuntimeContext> runtime_context = std::make_unique<NativeRuntimeContext>();
   RETURN_SECOND_IF_ERROR(runtime_context->Init(), -1);
   RETURN_SECOND_IF_ERROR(tree_getters_->Init(this->IRNode()), -1);
@@ -548,7 +548,7 @@ int64_t Dataset::GetBatchSize() {
 }
 
 int64_t Dataset::GetRepeatCount() {
-  int64_t repeat_count;
+  int64_t repeat_count = 0;
   std::unique_ptr<NativeRuntimeContext> runtime_context = std::make_unique<NativeRuntimeContext>();
   RETURN_SECOND_IF_ERROR(runtime_context->Init(), -1);
   RETURN_SECOND_IF_ERROR(tree_getters_->Init(this->IRNode()), 0);
diff --git a/mindspore/ccsrc/minddata/dataset/engine/consumers/tree_consumer.cc b/mindspore/ccsrc/minddata/dataset/engine/consumers/tree_consumer.cc
index 1fa68b32a34..dfae68d2395 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/consumers/tree_consumer.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/consumers/tree_consumer.cc
@@ -227,7 +227,9 @@ Status SaveToDisk::Save() {
     nlohmann::json row_raw_data;
     std::map<std::string, std::unique_ptr<std::vector<uint8_t>>> row_bin_data;
     RETURN_IF_NOT_OK(tree_adapter_->GetNext(&row));
-    if (row.empty()) break;
+    if (row.empty()) {
+      break;
+    }
     if (first_loop) {
       nlohmann::json mr_json;
       std::vector<std::string> index_fields;
@@ -249,7 +251,7 @@ Status SaveToDisk::Save() {
       raw_data.insert(
         std::pair<uint64_t, std::vector<nlohmann::json>>(mr_schema_id, std::vector<nlohmann::json>{row_raw_data}));
       std::vector<std::vector<uint8_t>> bin_data;
-      if (nullptr != output_bin_data) {
+      if (output_bin_data != nullptr) {
         bin_data.emplace_back(*output_bin_data);
       }
       mr_writer->WriteRawData(raw_data, bin_data);
diff --git a/mindspore/ccsrc/minddata/dataset/engine/dataset_iterator.cc b/mindspore/ccsrc/minddata/dataset/engine/dataset_iterator.cc
index f8841eef03a..855e891242a 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/dataset_iterator.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/dataset_iterator.cc
@@ -60,7 +60,7 @@ Status IteratorBase::GetNextAsMap(TensorMap *out_map) {
   }
 
   // Populate the out map from the row and return it
-  for (auto colMap : col_name_id_map_) {
+  for (const auto colMap : col_name_id_map_) {
     (*out_map)[colMap.first] = std::move(curr_row[colMap.second]);
   }
 
@@ -197,7 +197,7 @@ Status DatasetIterator::GetOutputShapes(std::vector<TensorShape> *out_shapes) {
   if (device_queue_row_.empty()) {
     RETURN_IF_NOT_OK(FetchNextTensorRow(&device_queue_row_));
   }
-  for (auto ts : device_queue_row_) {
+  for (const auto ts : device_queue_row_) {
     out_shapes->push_back(ts->shape());
   }
 
@@ -211,7 +211,7 @@ Status DatasetIterator::GetOutputTypes(std::vector<DataType> *out_types) {
   if (device_queue_row_.empty()) {
     RETURN_IF_NOT_OK(FetchNextTensorRow(&device_queue_row_));
   }
-  for (auto ts : device_queue_row_) {
+  for (const auto ts : device_queue_row_) {
     out_types->push_back(ts->type());
   }
   return Status::OK();
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/dataset_op.h b/mindspore/ccsrc/minddata/dataset/engine/datasetops/dataset_op.h
index 25e97f2fb46..fa04d07e8d6 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/dataset_op.h
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/dataset_op.h
@@ -81,7 +81,7 @@ class DatasetOp : public std::enable_shared_from_this<DatasetOp> {
   /// Constructor
   /// \param op_connector_size - The size for the output connector of this operator.
   /// \param sampler - The sampler for the op
-  explicit DatasetOp(int32_t op_connector_size, std::shared_ptr<SamplerRT> sampler);
+  DatasetOp(int32_t op_connector_size, std::shared_ptr<SamplerRT> sampler);
 
   /// Destructor
   virtual ~DatasetOp() { tree_ = nullptr; }
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/cpu_map_job.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/cpu_map_job.cc
index 8b6b753aae2..adebacc3931 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/cpu_map_job.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/cpu_map_job.cc
@@ -26,7 +26,7 @@ namespace dataset {
 CpuMapJob::CpuMapJob() = default;
 
 // Constructor
-CpuMapJob::CpuMapJob(std::vector<std::shared_ptr<TensorOp>> operations) : MapJob(operations) {}
+CpuMapJob::CpuMapJob(std::vector<std::shared_ptr<TensorOp>> operations) : MapJob(std::move(operations)) {}
 
 // Destructor
 CpuMapJob::~CpuMapJob() = default;
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/map_job.h b/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/map_job.h
index fd05dfd53fa..06651abb7ca 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/map_job.h
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/map_job.h
@@ -19,9 +19,9 @@
 #include <memory>
 #include <vector>
 
-#include "minddata/dataset/kernels/tensor_op.h"
 #include "minddata/dataset/core/tensor.h"
 #include "minddata/dataset/core/tensor_row.h"
+#include "minddata/dataset/kernels/tensor_op.h"
 #include "minddata/dataset/util/status.h"
 
 namespace mindspore {
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/map_op.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/map_op.cc
index f3f40016f6b..13c9fa2e2c8 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/map_op.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/map_op/map_op.cc
@@ -18,9 +18,9 @@
 #include <cstring>
 #include <memory>
 #include <vector>
-#include "minddata/dataset/core/config_manager.h"
 
 #include "minddata/dataset/callback/callback_param.h"
+#include "minddata/dataset/core/config_manager.h"
 #include "minddata/dataset/core/constants.h"
 #include "minddata/dataset/core/global_context.h"
 #include "minddata/dataset/engine/data_buffer.h"
@@ -44,7 +44,7 @@ MapOp::Builder::Builder() {
 Status MapOp::Builder::sanityCheck() const {
   if (build_tensor_funcs_.empty()) {
     return Status(StatusCode::kUnexpectedError, __LINE__, __FILE__,
-                  "Building a MapOp that has not provided any function/operation to apply");
+                  "Building a MapOp without providing any function/operation to apply");
   }
   return Status::OK();
 }
@@ -121,26 +121,13 @@ Status MapOp::GenerateWorkerJob(const std::unique_ptr<MapWorkerJob> *worker_job)
     // In the future, we will have heuristic or control from user to select target device
     MapTargetDevice target_device = MapTargetDevice::kCpu;
 
-    switch (target_device) {
-      case MapTargetDevice::kCpu:
-        // If there is no existing map_job, we will create one.
-        // map_job could be nullptr when we are at the first tensor op or when the target device of the prev op
-        // is different with that of the current op.
-        if (map_job == nullptr) {
-          map_job = std::make_shared<CpuMapJob>();
-        }
-        map_job->AddOperation(tfuncs_[i]);
-        break;
-
-      case MapTargetDevice::kGpu:
-        break;
-
-      case MapTargetDevice::kDvpp:
-        break;
-
-      default:
-        break;
+    // If there is no existing map_job, we will create one.
+    // map_job could be nullptr when we are at the first tensor op or when the target device of the prev op
+    // is different with that of the current op.
+    if (map_job == nullptr) {
+      map_job = std::make_shared<CpuMapJob>();
     }
+    map_job->AddOperation(tfuncs_[i]);
 
     // Push map_job into worker_job if one of the two conditions is true:
     // 1) It is the last tensor operation in tfuncs_
@@ -364,7 +351,7 @@ Status MapOp::ComputeColMap() {
 // Validating if each of the input_columns exists in the DataBuffer.
 Status MapOp::ValidateInColumns(const std::unordered_map<std::string, int32_t> &col_name_id_map) {
   for (const auto &inCol : in_columns_) {
-    bool found = col_name_id_map.find(inCol) != col_name_id_map.end() ? true : false;
+    bool found = col_name_id_map.find(inCol) != col_name_id_map.end();
     if (!found) {
       std::string err_msg = "input column name: " + inCol + " doesn't exist in the dataset columns.";
       RETURN_STATUS_UNEXPECTED(err_msg);
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/album_op.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/album_op.cc
index 65be9f1be25..59bf2e87614 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/album_op.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/album_op.cc
@@ -30,7 +30,7 @@
 
 namespace mindspore {
 namespace dataset {
-AlbumOp::Builder::Builder() : builder_decode_(false), builder_sampler_(nullptr), builder_schema_file_("") {
+AlbumOp::Builder::Builder() : builder_decode_(false), builder_sampler_(nullptr) {
   std::shared_ptr<ConfigManager> cfg = GlobalContext::config_manager();
   builder_num_workers_ = cfg->num_parallel_workers();
   builder_rows_per_buffer_ = cfg->rows_per_buffer();
@@ -62,9 +62,8 @@ Status AlbumOp::Builder::Build(std::shared_ptr<AlbumOp> *ptr) {
 Status AlbumOp::Builder::SanityCheck() {
   Path dir(builder_dir_);
   std::string err_msg;
-  err_msg += dir.IsDirectory() == false
-               ? "Invalid parameter, Album path is invalid or not set, path: " + builder_dir_ + ".\n"
-               : "";
+  err_msg +=
+    !dir.IsDirectory() ? "Invalid parameter, Album path is invalid or not set, path: " + builder_dir_ + ".\n" : "";
   err_msg += builder_num_workers_ <= 0 ? "Invalid parameter, num_parallel_workers must be greater than 0, but got " +
                                            std::to_string(builder_num_workers_) + ".\n"
                                        : "";
@@ -97,8 +96,8 @@ bool StrComp(const std::string &a, const std::string &b) {
   // returns 1 if string "a" represent a numeric value less than string "b"
   // the following will always return name, provided there is only one "." character in name
   // "." character is guaranteed to exist since the extension is checked befor this function call.
-  int64_t value_a = std::atoi(a.substr(1, a.find(".")).c_str());
-  int64_t value_b = std::atoi(b.substr(1, b.find(".")).c_str());
+  int64_t value_a = std::stoi(a.substr(1, a.find(".")).c_str());
+  int64_t value_b = std::stoi(b.substr(1, b.find(".")).c_str());
   return value_a < value_b;
 }
 
@@ -261,6 +260,7 @@ Status AlbumOp::LoadImageTensor(const std::string &image_file_path, uint32_t col
     RETURN_IF_NOT_OK(LoadEmptyTensor(col_num, row));
     return Status::OK();
   }
+  fs.close();
   // Hack logic to replace png images with empty tensor
   Path file(image_file_path);
   std::set<std::string> png_ext = {".png", ".PNG"};
@@ -387,7 +387,7 @@ Status AlbumOp::LoadIDTensor(const std::string &file, uint32_t col_num, TensorRo
     return Status::OK();
   }
   // hack to get the file name without extension, the 1 is to get rid of the backslash character
-  int64_t image_id = std::atoi(file.substr(1, file.find(".")).c_str());
+  int64_t image_id = std::stoi(file.substr(1, file.find(".")).c_str());
   TensorPtr id;
   RETURN_IF_NOT_OK(Tensor::CreateScalar<int64_t>(image_id, &id));
   MS_LOG(INFO) << "File ID " << image_id << ".";
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/album_op.h b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/album_op.h
index 6d0c9604094..96032133a54 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/album_op.h
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/album_op.h
@@ -16,16 +16,16 @@
 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_DATASETOPS_SOURCE_ALBUM_OP_H_
 #define MINDSPORE_CCSRC_MINDDATA_DATASET_ENGINE_DATASETOPS_SOURCE_ALBUM_OP_H_
 
+#include <algorithm>
 #include <deque>
+#include <map>
 #include <memory>
 #include <queue>
-#include <string>
-#include <algorithm>
-#include <map>
 #include <set>
+#include <string>
+#include <unordered_map>
 #include <utility>
 #include <vector>
-#include <unordered_map>
 #include "minddata/dataset/core/tensor.h"
 #include "minddata/dataset/engine/data_buffer.h"
 #include "minddata/dataset/engine/data_schema.h"
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/distributed_sampler.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/distributed_sampler.cc
index bcb046257cf..4a646aa0699 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/distributed_sampler.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/distributed_sampler.cc
@@ -55,7 +55,7 @@ Status DistributedSamplerRT::InitSampler() {
   if (offset_ != -1 || !even_dist_) {
     if (offset_ == -1) offset_ = 0;
     samples_per_buffer_ = (num_rows_ + offset_) / num_devices_;
-    int remainder = (num_rows_ + offset_) % num_devices_;
+    int64_t remainder = (num_rows_ + offset_) % num_devices_;
     if (device_id_ < remainder) samples_per_buffer_++;
     if (device_id_ < offset_) samples_per_buffer_--;
   } else {
@@ -63,7 +63,7 @@ Status DistributedSamplerRT::InitSampler() {
     samples_per_buffer_ = (num_rows_ + num_devices_ - 1) / num_devices_;  // equals to ceil(num_rows/num_devices)
   }
   samples_per_buffer_ = num_samples_ < samples_per_buffer_ ? num_samples_ : samples_per_buffer_;
-  if (shuffle_ == true) {
+  if (shuffle_) {
     shuffle_vec_.reserve(num_rows_);
     for (int64_t i = 0; i < num_rows_; i++) {
       shuffle_vec_.push_back(i);
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/pk_sampler.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/pk_sampler.cc
index b9e6bdf0419..9728b3ccdac 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/pk_sampler.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/pk_sampler.cc
@@ -30,7 +30,7 @@ PKSamplerRT::PKSamplerRT(int64_t num_samples, int64_t val, bool shuffle, int64_t
 Status PKSamplerRT::InitSampler() {
   labels_.reserve(label_to_ids_.size());
   for (const auto &pair : label_to_ids_) {
-    if (pair.second.empty() == false) {
+    if (!pair.second.empty()) {
       labels_.push_back(pair.first);
     }
   }
@@ -76,6 +76,7 @@ Status PKSamplerRT::GetNextSample(std::unique_ptr<DataBuffer> *out_buffer) {
     int64_t last_id = (samples_per_buffer_ + next_id_ > num_samples_) ? num_samples_ : samples_per_buffer_ + next_id_;
     RETURN_IF_NOT_OK(CreateSamplerTensor(&sample_ids, last_id - next_id_));
     auto id_ptr = sample_ids->begin<int64_t>();
+    CHECK_FAIL_RETURN_UNEXPECTED(samples_per_class_ != 0, "samples cannot be zero.");
     while (next_id_ < last_id && id_ptr != sample_ids->end<int64_t>()) {
       int64_t cls_id = next_id_++ / samples_per_class_;
       const std::vector<int64_t> &samples = label_to_ids_[labels_[cls_id]];
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/pk_sampler.h b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/pk_sampler.h
index fc05f261a85..33e3172ff56 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/pk_sampler.h
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/pk_sampler.h
@@ -32,8 +32,8 @@ class PKSamplerRT : public SamplerRT {  // NOT YET FINISHED
   // @param int64_t val
   // @param bool shuffle - shuffle all classIds or not, if true, classes may be 5,1,4,3,2
   // @param int64_t samplesPerBuffer - Num of Sampler Ids to fetch via 1 GetNextBuffer call
-  explicit PKSamplerRT(int64_t num_samples, int64_t val, bool shuffle,
-                       int64_t samples_per_buffer = std::numeric_limits<int64_t>::max());
+  PKSamplerRT(int64_t num_samples, int64_t val, bool shuffle,
+              int64_t samples_per_buffer = std::numeric_limits<int64_t>::max());
 
   // default destructor
   ~PKSamplerRT() = default;
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/random_sampler.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/random_sampler.cc
index 71eb34a3e31..07b503ff7aa 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/random_sampler.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/random_sampler.cc
@@ -28,8 +28,8 @@ RandomSamplerRT::RandomSamplerRT(int64_t num_samples, bool replacement, bool res
       seed_(GetSeed()),
       replacement_(replacement),
       next_id_(0),
-      reshuffle_each_epoch_(reshuffle_each_epoch),
-      dist(nullptr) {}
+      dist(nullptr),
+      reshuffle_each_epoch_(reshuffle_each_epoch) {}
 
 Status RandomSamplerRT::GetNextSample(std::unique_ptr<DataBuffer> *out_buffer) {
   if (next_id_ > num_samples_) {
@@ -81,7 +81,7 @@ Status RandomSamplerRT::InitSampler() {
   samples_per_buffer_ = samples_per_buffer_ > num_samples_ ? num_samples_ : samples_per_buffer_;
   rnd_.seed(seed_);
 
-  if (replacement_ == false) {
+  if (!replacement_) {
     shuffled_ids_.reserve(num_rows_);
     for (int64_t i = 0; i < num_rows_; i++) {
       shuffled_ids_.push_back(i);
@@ -104,7 +104,7 @@ Status RandomSamplerRT::ResetSampler() {
 
   rnd_.seed(seed_);
 
-  if (replacement_ == false && reshuffle_each_epoch_) {
+  if (!replacement_ && reshuffle_each_epoch_) {
     std::shuffle(shuffled_ids_.begin(), shuffled_ids_.end(), rnd_);
   }
 
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/random_sampler.h b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/random_sampler.h
index 6a6e3f52a10..80cbd24e5c9 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/random_sampler.h
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/random_sampler.h
@@ -31,8 +31,8 @@ class RandomSamplerRT : public SamplerRT {
   // @param bool replacement - put he id back / or not after a sample
   // @param reshuffle_each_epoch - T/F to reshuffle after epoch
   // @param int64_t samples_per_buffer - Num of Sampler Ids to fetch via 1 GetNextBuffer call
-  explicit RandomSamplerRT(int64_t num_samples, bool replacement, bool reshuffle_each_epoch,
-                           int64_t samples_per_buffer = std::numeric_limits<int64_t>::max());
+  RandomSamplerRT(int64_t num_samples, bool replacement, bool reshuffle_each_epoch,
+                  int64_t samples_per_buffer = std::numeric_limits<int64_t>::max());
 
   // Destructor.
   ~RandomSamplerRT() = default;
@@ -50,7 +50,7 @@ class RandomSamplerRT : public SamplerRT {
   // @return - The error code return
   Status ResetSampler() override;
 
-  virtual void Print(std::ostream &out, bool show_all) const;
+  void Print(std::ostream &out, bool show_all) const override;
 
  private:
   uint32_t seed_;
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sampler.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sampler.cc
index a754f1eee7f..a15adc999fc 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sampler.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sampler.cc
@@ -27,7 +27,7 @@ Status RandomAccessOp::GetNumRowsInDataset(int64_t *num) const {
   // Here, it is just a getter method to return the value.  However, it is invalid if there is
   // not a value set for this count, so generate a failure if that is the case.
   if (num == nullptr || num_rows_ == 0) {
-    RETURN_STATUS_UNEXPECTED("RandomAccessOp has not computed it's num rows yet.");
+    RETURN_STATUS_UNEXPECTED("RandomAccessOp has not computed its num rows yet.");
   }
   (*num) = num_rows_;
   return Status::OK();
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sampler.h b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sampler.h
index 00c48caf2ba..ea12d97f50a 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sampler.h
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sampler.h
@@ -60,7 +60,7 @@ class SamplerRT {
   // @param int64_t num_samples: the user-requested number of samples ids to generate. A value of 0
   //                indicates that the sampler should produce the complete set of ids.
   // @param int64_t samplesPerBuffer: Num of Sampler Ids to fetch via 1 GetNextBuffer call
-  explicit SamplerRT(int64_t num_samples, int64_t samples_per_buffer);
+  SamplerRT(int64_t num_samples, int64_t samples_per_buffer);
 
   SamplerRT(const SamplerRT &s) : SamplerRT(s.num_samples_, s.samples_per_buffer_) {}
 
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sequential_sampler.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sequential_sampler.cc
index 92f8384fe0a..36e8680d676 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sequential_sampler.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sequential_sampler.cc
@@ -21,7 +21,7 @@
 namespace mindspore {
 namespace dataset {
 SequentialSamplerRT::SequentialSamplerRT(int64_t num_samples, int64_t start_index, int64_t samples_per_buffer)
-    : SamplerRT(num_samples, samples_per_buffer), start_index_(start_index), current_id_(start_index), id_count_(0) {}
+    : SamplerRT(num_samples, samples_per_buffer), current_id_(start_index), start_index_(start_index), id_count_(0) {}
 
 Status SequentialSamplerRT::GetNextSample(std::unique_ptr<DataBuffer> *out_buffer) {
   if (id_count_ > num_samples_) {
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sequential_sampler.h b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sequential_sampler.h
index 78349aba8b1..13a2ede3372 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sequential_sampler.h
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/sequential_sampler.h
@@ -30,8 +30,8 @@ class SequentialSamplerRT : public SamplerRT {
   //                      full amount of ids from the dataset
   // @param start_index - The starting index value
   // @param int64_t samplesPerBuffer - Num of Sampler Ids to fetch via 1 GetNextBuffer call
-  explicit SequentialSamplerRT(int64_t num_samples, int64_t start_index,
-                               int64_t samples_per_buffer = std::numeric_limits<int64_t>::max());
+  SequentialSamplerRT(int64_t num_samples, int64_t start_index,
+                      int64_t samples_per_buffer = std::numeric_limits<int64_t>::max());
 
   // Destructor.
   ~SequentialSamplerRT() = default;
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/subset_random_sampler.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/subset_random_sampler.cc
index 311b3059273..011a36041ba 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/subset_random_sampler.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/subset_random_sampler.cc
@@ -20,7 +20,6 @@
 #include <random>
 #include <string>
 
-#include "minddata/dataset/core/config_manager.h"
 #include "minddata/dataset/core/global_context.h"
 #include "minddata/dataset/util/random.h"
 
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/subset_random_sampler.h b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/subset_random_sampler.h
index 09fa93d7135..608fdc69d23 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/subset_random_sampler.h
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/subset_random_sampler.h
@@ -32,8 +32,8 @@ class SubsetRandomSamplerRT : public SamplerRT {
   // @param indices List of indices from where we will randomly draw samples.
   // @param samples_per_buffer The number of ids we draw on each call to GetNextBuffer().
   // When samplesPerBuffer=0, GetNextBuffer() will draw all the sample ids and return them at once.
-  explicit SubsetRandomSamplerRT(int64_t num_samples, const std::vector<int64_t> &indices,
-                                 std::int64_t samples_per_buffer = std::numeric_limits<int64_t>::max());
+  SubsetRandomSamplerRT(int64_t num_samples, const std::vector<int64_t> &indices,
+                        std::int64_t samples_per_buffer = std::numeric_limits<int64_t>::max());
 
   // Destructor.
   ~SubsetRandomSamplerRT() = default;
diff --git a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/weighted_random_sampler.cc b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/weighted_random_sampler.cc
index 4dc9c0b7185..6d7c0db89ff 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/weighted_random_sampler.cc
+++ b/mindspore/ccsrc/minddata/dataset/engine/datasetops/source/sampler/weighted_random_sampler.cc
@@ -42,9 +42,10 @@ Status WeightedRandomSamplerRT::InitSampler() {
   if (num_samples_ == 0 || num_samples_ > num_rows_) {
     num_samples_ = num_rows_;
   }
-  CHECK_FAIL_RETURN_UNEXPECTED(num_rows_ > 0 && num_samples_,
-                               "Invalid parameter, num_samples & num_rows must be greater than 0, but got num_rows: " +
-                                 std::to_string(num_rows_) + ", num_samples: " + std::to_string(num_samples_));
+  CHECK_FAIL_RETURN_UNEXPECTED(
+    num_rows_ > 0 && num_samples_,
+    "Invalid parameter, num_samples and num_rows must be greater than 0, but got num_rows: " +
+      std::to_string(num_rows_) + ", num_samples: " + std::to_string(num_samples_));
   CHECK_FAIL_RETURN_UNEXPECTED(samples_per_buffer_ > 0,
                                "Invalid parameter, samples_per_buffer must be greater than 0, but got " +
                                  std::to_string(samples_per_buffer_) + ".\n");
@@ -57,7 +58,7 @@ Status WeightedRandomSamplerRT::InitSampler() {
   }
   if (!replacement_ && (weights_.size() < static_cast<size_t>(num_samples_))) {
     RETURN_STATUS_UNEXPECTED(
-      "Invalid parameter, without replacement, weights size must be greater than or equal to num_samples, "
+      "Invalid parameter, without replacement, weight size must be greater than or equal to num_samples, "
       "but got weight size: " +
       std::to_string(weights_.size()) + ", num_samples: " + std::to_string(num_samples_));
   }
@@ -122,7 +123,7 @@ Status WeightedRandomSamplerRT::GetNextSample(std::unique_ptr<DataBuffer> *out_b
 
   if (!replacement_ && (weights_.size() < static_cast<size_t>(num_samples_))) {
     RETURN_STATUS_UNEXPECTED(
-      "Invalid parameter, without replacement, weights size must be greater than or equal to num_samples, "
+      "Invalid parameter, without replacement, weight size must be greater than or equal to num_samples, "
       "but got weight size: " +
       std::to_string(weights_.size()) + ", num_samples: " + std::to_string(num_samples_));
   }
diff --git a/mindspore/ccsrc/minddata/dataset/engine/ir/cache/dataset_cache.h b/mindspore/ccsrc/minddata/dataset/engine/ir/cache/dataset_cache.h
index 0922aba4036..d0012def2d6 100644
--- a/mindspore/ccsrc/minddata/dataset/engine/ir/cache/dataset_cache.h
+++ b/mindspore/ccsrc/minddata/dataset/engine/ir/cache/dataset_cache.h
@@ -18,8 +18,8 @@
 
 #include <memory>
 
-#include "minddata/dataset/util/status.h"
 #include "minddata/dataset/engine/datasetops/dataset_op.h"
+#include "minddata/dataset/util/status.h"
 
 namespace mindspore::dataset {