diff --git a/tests/ut/cpp/dataset/arena_test.cc b/tests/ut/cpp/dataset/arena_test.cc
index 4b5f50c47f9..0809c40ee3a 100644
--- a/tests/ut/cpp/dataset/arena_test.cc
+++ b/tests/ut/cpp/dataset/arena_test.cc
@@ -45,5 +45,5 @@ TEST_F(MindDataTestArena, TestALLFunction) {
   for (int i = 0; i < 1000; i++) {
     mp->Deallocate(v.at(i));
   }
-  std::cout << *mp;
+  MS_LOG(DEBUG) << *mp;
 }
diff --git a/tests/ut/cpp/dataset/btree_test.cc b/tests/ut/cpp/dataset/btree_test.cc
index 993f8f465fa..3e0a867fba8 100644
--- a/tests/ut/cpp/dataset/btree_test.cc
+++ b/tests/ut/cpp/dataset/btree_test.cc
@@ -196,6 +196,6 @@ TEST_F(MindDataTestBPlusTree, Test3) {
   EXPECT_EQ(it.value(), "b");
   MS_LOG(INFO) << "Dump all the values using [] operator.";
   for (uint64_t i = min; i <= max; i++) {
-    std::cout << ai[i] << std::endl;
+    MS_LOG(DEBUG) << ai[i] << std::endl;
   }
 }
diff --git a/tests/ut/cpp/dataset/cifar_op_test.cc b/tests/ut/cpp/dataset/cifar_op_test.cc
index 48c332bc13f..0cd1db65b55 100644
--- a/tests/ut/cpp/dataset/cifar_op_test.cc
+++ b/tests/ut/cpp/dataset/cifar_op_test.cc
@@ -81,7 +81,8 @@ TEST_F(MindDataTestCifarOp, TestSequentialSamplerCifar10) {
     uint32_t label = 0;
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<uint32_t>(&label, {});
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 100);
@@ -108,7 +109,8 @@ TEST_F(MindDataTestCifarOp, TestRandomSamplerCifar10) {
     uint32_t label = 0;
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<uint32_t>(&label, {});
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 12);
@@ -133,7 +135,8 @@ TEST_F(MindDataTestCifarOp, TestCifar10NumSample) {
     uint32_t label = 0;
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<uint32_t>(&label, {});
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 100);
@@ -159,8 +162,9 @@ TEST_F(MindDataTestCifarOp, TestSequentialSamplerCifar100) {
     while (tensor_map.size() != 0) {
       tensor_map["coarse_label"]->GetItemAt<uint32_t>(&coarse, {});
       tensor_map["fine_label"]->GetItemAt<uint32_t>(&fine, {});
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << " coarse:"
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << " coarse:"
                 << coarse << " fine:" << fine << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 100);
diff --git a/tests/ut/cpp/dataset/circular_pool_test.cc b/tests/ut/cpp/dataset/circular_pool_test.cc
index 47ceae59306..c42b08ddcd5 100644
--- a/tests/ut/cpp/dataset/circular_pool_test.cc
+++ b/tests/ut/cpp/dataset/circular_pool_test.cc
@@ -52,7 +52,7 @@ Status TestMem(MindDataTestCircularPool *tp, int32_t num_iterations) {
     uint64_t new_sz = dist(gen);
     std::string str = "Allocate " + std::to_string(old_sz) +
                       " bytes of memory and then resize to " + std::to_string(new_sz);
-    std::cout << str << std::endl;
+    MS_LOG(DEBUG) << str << std::endl;
     std::string id = Services::GetUniqueID();
     void *p;
     RETURN_IF_NOT_OK(tp->mp_->Allocate(old_sz, &p));
@@ -76,9 +76,9 @@ TEST_F(MindDataTestCircularPool, TestALLFunction) {
     vg_.CreateAsyncTask("TestMem", f);
   }
   vg_.join_all();
-  std::cout << vg_.GetTaskErrorIfAny() << std::endl;
+  MS_LOG(DEBUG) << vg_.GetTaskErrorIfAny() << std::endl;
   ASSERT_TRUE(vg_.GetTaskErrorIfAny().IsOk());
   CircularPool *cp = dynamic_cast<CircularPool *>(mp_.get());
-  std::cout << *cp << std::endl;
+  MS_LOG(DEBUG) << *cp << std::endl;
 }
 
diff --git a/tests/ut/cpp/dataset/image_folder_op_test.cc b/tests/ut/cpp/dataset/image_folder_op_test.cc
index 82513a29a5d..5b118a629a7 100644
--- a/tests/ut/cpp/dataset/image_folder_op_test.cc
+++ b/tests/ut/cpp/dataset/image_folder_op_test.cc
@@ -102,7 +102,8 @@ TEST_F(MindDataTestImageFolderSampler, TestSequentialImageFolderWithRepeat) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<int32_t>(&label, {});
       EXPECT_TRUE(res[(i % 44) / 11] == label);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 88);
@@ -126,7 +127,8 @@ TEST_F(MindDataTestImageFolderSampler, TestRandomImageFolder) {
     int32_t label = 0;
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<int32_t>(&label, {});
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 44);
@@ -155,7 +157,8 @@ TEST_F(MindDataTestImageFolderSampler, TestRandomSamplerImageFolder) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<int32_t>(&label, {});
       EXPECT_TRUE(res[i] == label);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 12);
@@ -185,8 +188,9 @@ TEST_F(MindDataTestImageFolderSampler, TestSequentialImageFolderWithRepeatBatch)
       std::shared_ptr<Tensor> label;
       Create1DTensor(&label, 11, reinterpret_cast<unsigned char *>(res[i % 4]), DataType::DE_INT32);
       EXPECT_TRUE((*label) == (*tensor_map["label"]));
-      std::cout << "row: " << i++ << " " << tensor_map["image"]->shape() << " (*label):" << (*label)
+      MS_LOG(DEBUG) << "row: " << i << " " << tensor_map["image"]->shape() << " (*label):" << (*label)
                 << " *tensor_map[label]: " << *tensor_map["label"] << std::endl;
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 8);
@@ -282,7 +286,8 @@ TEST_F(MindDataTestImageFolderSampler, TestImageFolderClassIndex) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<int32_t>(&label, {});
       EXPECT_TRUE(label == res[i / 11]);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 22);
@@ -308,7 +313,8 @@ TEST_F(MindDataTestImageFolderSampler, TestDistributedSampler) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<int32_t>(&label, {});
       EXPECT_EQ(i % 4, label);
-      std::cout << "row:" << i++ << "\tlabel:" << label << "\n";
+      MS_LOG(DEBUG) << "row:" << i << "\tlabel:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 16);
@@ -335,7 +341,8 @@ TEST_F(MindDataTestImageFolderSampler, TestPKSamplerImageFolder) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<int32_t>(&label, {});
       EXPECT_TRUE(res[i] == label);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 12);
@@ -360,7 +367,8 @@ TEST_F(MindDataTestImageFolderSampler, TestImageFolderNumSamples) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<int32_t>(&label, {});
       EXPECT_TRUE(0 == label);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 22);
@@ -392,7 +400,8 @@ TEST_F(MindDataTestImageFolderSampler, TestImageFolderDecode) {
       EXPECT_TRUE(label == res[i / 11]);
       EXPECT_TRUE(
         tensor_map["image"]->shape() == TensorShape({2268, 4032, 3}));  // verify shapes are correct after decode
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 20);
@@ -442,7 +451,8 @@ TEST_F(MindDataTestImageFolderSampler, TestImageFolderSharding1) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<int32_t>(&label, {});
       EXPECT_EQ(labels[i], label);
-      std::cout << "row:" << i++ << "\tlabel:" << label << "\n";
+      MS_LOG(DEBUG) << "row:" << i << "\tlabel:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 5);
@@ -470,7 +480,8 @@ TEST_F(MindDataTestImageFolderSampler, TestImageFolderSharding2) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<int32_t>(&label, {});
       EXPECT_EQ(labels[i], label);
-      std::cout << "row:" << i++ << "\tlabel:" << label << "\n";
+      MS_LOG(DEBUG) << "row:" << i << "\tlabel:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 11);
diff --git a/tests/ut/cpp/dataset/manifest_op_test.cc b/tests/ut/cpp/dataset/manifest_op_test.cc
index e062335fa6d..9e36f8c7477 100644
--- a/tests/ut/cpp/dataset/manifest_op_test.cc
+++ b/tests/ut/cpp/dataset/manifest_op_test.cc
@@ -76,7 +76,8 @@ TEST_F(MindDataTestManifest, TestSequentialManifestWithRepeat) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<uint32_t>(&label, {});
       EXPECT_TRUE(res[i] == label);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 4);
@@ -134,7 +135,8 @@ TEST_F(MindDataTestManifest, MindDataTestManifestClassIndex) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<uint32_t>(&label, {});
       EXPECT_TRUE(label == res[i]);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 2);
@@ -159,7 +161,8 @@ TEST_F(MindDataTestManifest, MindDataTestManifestNumSamples) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<uint32_t>(&label, {});
       EXPECT_TRUE(0 == label);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 4);
@@ -184,7 +187,8 @@ TEST_F(MindDataTestManifest, MindDataTestManifestEval) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<uint32_t>(&label, {});
       EXPECT_TRUE(0 == label);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 1);
diff --git a/tests/ut/cpp/dataset/map_op_test.cc b/tests/ut/cpp/dataset/map_op_test.cc
index 746c1e8d5f1..271cbbe1907 100644
--- a/tests/ut/cpp/dataset/map_op_test.cc
+++ b/tests/ut/cpp/dataset/map_op_test.cc
@@ -697,7 +697,7 @@ TEST_F(MindDataTestMapOp, ImageFolder_Decode_Repeat_Resize) {
   std::string result;
   while (tensor_map.size() != 0) {
     tensor_map["label"]->GetItemAt<int32_t>(&label, {});
-    std::cout << "row:" << i << "\tlabel:" << label << "\n";
+    MS_LOG(DEBUG) << "row:" << i << "\tlabel:" << label << "\n";
     EXPECT_TRUE(img_class[(i % 44) / 11] == label);
     // Dump all the image into string, to be used as a comparison later.
     result.append((char *) tensor_map["image"]->StartAddr(), (int64_t) tensor_map["image"]->Size());
@@ -743,7 +743,7 @@ TEST_F(MindDataTestMapOp, ImageFolder_Decode_Repeat_Resize) {
   std::string result2;
   while (tensor_map.size() != 0) {
     tensor_map["label"]->GetItemAt<int32_t>(&label, {});
-    std::cout << "row:" << i << "\tlabel:" << label << "\n";
+    MS_LOG(DEBUG) << "row:" << i << "\tlabel:" << label << "\n";
     EXPECT_TRUE(img_class[(i % 44) / 11] == label);
     result2.append((char *) tensor_map["image"]->StartAddr(), (int64_t) tensor_map["image"]->Size());
     di2.GetNextAsMap(&tensor_map);
diff --git a/tests/ut/cpp/dataset/memory_pool_test.cc b/tests/ut/cpp/dataset/memory_pool_test.cc
index c988a09e898..136f3fe1b85 100644
--- a/tests/ut/cpp/dataset/memory_pool_test.cc
+++ b/tests/ut/cpp/dataset/memory_pool_test.cc
@@ -35,7 +35,7 @@ class MindDataTestMemoryPool : public UT::Common {
 };
 
 TEST_F(MindDataTestMemoryPool, DumpPoolInfo) {
-  std::cout << *(std::dynamic_pointer_cast<CircularPool>(mp_)) << std::endl;
+  MS_LOG(DEBUG) << *(std::dynamic_pointer_cast<CircularPool>(mp_)) << std::endl;
 }
 
 TEST_F(MindDataTestMemoryPool, TestOperator1) {
@@ -72,5 +72,5 @@ TEST_F(MindDataTestMemoryPool, TestAllocator) {
   std::shared_ptr<A> obj_a = std::allocate_shared<A>(alloc, 3);
   int v = obj_a->val_a();
   ASSERT_EQ(v, 3);
-  std::cout << *(std::dynamic_pointer_cast<CircularPool>(mp_)) << std::endl;
+  MS_LOG(DEBUG) << *(std::dynamic_pointer_cast<CircularPool>(mp_)) << std::endl;
 }
diff --git a/tests/ut/cpp/dataset/mind_record_op_test.cc b/tests/ut/cpp/dataset/mind_record_op_test.cc
index 9664b66ecbd..abe7faef14c 100644
--- a/tests/ut/cpp/dataset/mind_record_op_test.cc
+++ b/tests/ut/cpp/dataset/mind_record_op_test.cc
@@ -69,7 +69,7 @@ TEST_F(MindDataTestMindRecordOp, TestMindRecordBasic) {
   rc = builder.Build(&my_mindrecord_op);
   ASSERT_TRUE(rc.IsOk());
 
-  std::cout << (*my_mindrecord_op);
+  MS_LOG(DEBUG) << (*my_mindrecord_op);
 
   my_tree->AssociateNode(my_mindrecord_op);
 
@@ -140,7 +140,7 @@ TEST_F(MindDataTestMindRecordOp, TestMindRecordSample) {
   rc = builder.Build(&my_mindrecord_op);
   ASSERT_TRUE(rc.IsOk());
 
-  std::cout << (*my_mindrecord_op);
+  MS_LOG(DEBUG) << (*my_mindrecord_op);
 
   my_tree->AssociateNode(my_mindrecord_op);
 
@@ -211,7 +211,7 @@ TEST_F(MindDataTestMindRecordOp, TestMindRecordShuffle) {
   rc = builder.Build(&my_mindrecord_op);
   ASSERT_TRUE(rc.IsOk());
 
-  std::cout << (*my_mindrecord_op);
+  MS_LOG(DEBUG) << (*my_mindrecord_op);
 
   my_tree->AssociateNode(my_mindrecord_op);
 
@@ -285,7 +285,7 @@ TEST_F(MindDataTestMindRecordOp, TestMindRecordCategory) {
   rc = builder.Build(&my_mindrecord_op);
   ASSERT_TRUE(rc.IsOk());
 
-  std::cout << (*my_mindrecord_op);
+  MS_LOG(DEBUG) << (*my_mindrecord_op);
 
   my_tree->AssociateNode(my_mindrecord_op);
 
@@ -352,7 +352,7 @@ TEST_F(MindDataTestMindRecordOp, TestMindRecordRepeat) {
   rc = builder.Build(&my_mindrecord_op);
   ASSERT_TRUE(rc.IsOk());
 
-  std::cout << (*my_mindrecord_op);
+  MS_LOG(DEBUG) << (*my_mindrecord_op);
 
   rc = my_tree->AssociateNode(my_mindrecord_op);
   EXPECT_TRUE(rc.IsOk());
@@ -434,7 +434,7 @@ TEST_F(MindDataTestMindRecordOp, TestMindRecordBlockReaderRepeat) {
   rc = builder.Build(&my_mindrecord_op);
   ASSERT_TRUE(rc.IsOk());
 
-  std::cout << (*my_mindrecord_op);
+  MS_LOG(DEBUG) << (*my_mindrecord_op);
 
   rc = my_tree->AssociateNode(my_mindrecord_op);
   EXPECT_TRUE(rc.IsOk());
diff --git a/tests/ut/cpp/dataset/mnist_op_test.cc b/tests/ut/cpp/dataset/mnist_op_test.cc
index 3d5c4b05cae..2733597b358 100644
--- a/tests/ut/cpp/dataset/mnist_op_test.cc
+++ b/tests/ut/cpp/dataset/mnist_op_test.cc
@@ -91,7 +91,8 @@ TEST_F(MindDataTestMnistSampler, TestSequentialMnistWithRepeat) {
     while (tensor_map.size() != 0) {
       tensor_map["label"]->GetItemAt<uint32_t>(&label, {});
       EXPECT_TRUE(res[i % 10] == label);
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << label << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 20);
@@ -120,7 +121,8 @@ TEST_F(MindDataTestMnistSampler, TestSequentialImageFolderWithRepeatBatch) {
       std::shared_ptr<Tensor> label;
       Create1DTensor(&label, 5, reinterpret_cast<unsigned char *>(res[i % 4]));
       EXPECT_TRUE((*label) == (*tensor_map["label"]));
-      std::cout << "row: " << i++ << "\t" << tensor_map["image"]->shape() << "label:" << *tensor_map["label"] << "\n";
+      MS_LOG(DEBUG) << "row: " << i << "\t" << tensor_map["image"]->shape() << "label:" << *tensor_map["label"] << "\n";
+      i++;
       di.GetNextAsMap(&tensor_map);
     }
     EXPECT_TRUE(i == 4);
diff --git a/tests/ut/cpp/dataset/normalize_op_test.cc b/tests/ut/cpp/dataset/normalize_op_test.cc
index 373669a4734..05ac3f62898 100644
--- a/tests/ut/cpp/dataset/normalize_op_test.cc
+++ b/tests/ut/cpp/dataset/normalize_op_test.cc
@@ -51,7 +51,7 @@ TEST_F(MindDataTestNormalizeOP, TestOp) {
   cv::Mat cv_output_image;
   cv_output_image = p->mat();
 
-  std::cout << "Storing output file to : " << output_filename << std::endl;
+  MS_LOG(DEBUG) << "Storing output file to : " << output_filename << std::endl;
   cv::FileStorage file(output_filename, cv::FileStorage::WRITE);
   file << "imageData" << cv_output_image;
 }
diff --git a/tests/ut/cpp/dataset/one_hot_op_test.cc b/tests/ut/cpp/dataset/one_hot_op_test.cc
index 3928aeffd42..4b8bbc1bdd2 100644
--- a/tests/ut/cpp/dataset/one_hot_op_test.cc
+++ b/tests/ut/cpp/dataset/one_hot_op_test.cc
@@ -47,8 +47,8 @@ TEST_F(MindDataTestOneHotOp, TestOp) {
   EXPECT_TRUE(s.IsOk());
   ASSERT_TRUE(output->shape() == expected->shape());
   ASSERT_TRUE(output->type() == expected->type());
-  std::cout << *output << std::endl;
-  std::cout << *expected << std::endl;
+  MS_LOG(DEBUG) << *output << std::endl;
+  MS_LOG(DEBUG) << *expected << std::endl;
 
   ASSERT_TRUE(*output == *expected);
   MS_LOG(INFO) << "MindDataTestOneHotOp end.";
diff --git a/tests/ut/cpp/dataset/path_test.cc b/tests/ut/cpp/dataset/path_test.cc
index 7bd2abe7e57..3839d659aa8 100644
--- a/tests/ut/cpp/dataset/path_test.cc
+++ b/tests/ut/cpp/dataset/path_test.cc
@@ -38,7 +38,7 @@ TEST_F(MindDataTestPath, Test1) {
   int i = 0;
   while (dir_it->hasNext()) {
     Path v = dir_it->next();
-    std::cout << v.toString() << "\n";
+    MS_LOG(DEBUG) << v.toString() << "\n";
     i++;
     if (i == 10) {
       break;
@@ -46,7 +46,7 @@ TEST_F(MindDataTestPath, Test1) {
   }
   // Test extension.
   Path g("file.jpeg");
-  std::cout << g.Extension() << "\n";
+  MS_LOG(DEBUG) << g.Extension() << "\n";
   ASSERT_EQ(g.Extension(), ".jpeg");
 }
 
diff --git a/tests/ut/cpp/dataset/queue_test.cc b/tests/ut/cpp/dataset/queue_test.cc
index 37560e5dfb5..00366fcafdc 100644
--- a/tests/ut/cpp/dataset/queue_test.cc
+++ b/tests/ut/cpp/dataset/queue_test.cc
@@ -44,7 +44,7 @@ class RefCount {
     explicit RefCount(int x) : v_(std::make_shared<int>(x)) {}
     explicit RefCount(const RefCount &o) : v_(o.v_) {}
     ~RefCount() {
-      std::cout << "Destructor of RefCount called" << std::endl;
+      MS_LOG(DEBUG) << "Destructor of RefCount called" << std::endl;
       gRefCountDestructorCalled++;
     }
     RefCount& operator=(const RefCount &o) {
diff --git a/tests/ut/cpp/dataset/random_crop_decode_resizeOp_test.cc b/tests/ut/cpp/dataset/random_crop_decode_resizeOp_test.cc
index a4c4fbfdfff..facd35c4f7a 100644
--- a/tests/ut/cpp/dataset/random_crop_decode_resizeOp_test.cc
+++ b/tests/ut/cpp/dataset/random_crop_decode_resizeOp_test.cc
@@ -78,7 +78,7 @@ TEST_F(MindDataTestRandomCropDecodeResizeOp, TestOp2) {
     } else {
       mse = mse_sum;
     }
-    std::cout << "mse: " << mse << std::endl;
+    MS_LOG(DEBUG) << "mse: " << mse << std::endl;
   }
   MS_LOG(INFO) << "MindDataTestRandomCropDecodeResizeOp end!";
 }
@@ -150,7 +150,7 @@ TEST_F(MindDataTestRandomCropDecodeResizeOp, TestOp1) {
     }
 
     mse = (count == 0) ? mse_sum : static_cast<float>(mse_sum) / count;
-    std::cout << "mse: " << mse << std::endl;
+    MS_LOG(DEBUG) << "mse: " << mse << std::endl;
   }
   MS_LOG(INFO) << "MindDataTestRandomCropDecodeResizeOp end!";
 }
diff --git a/tests/ut/cpp/dataset/stand_alone_samplers_test.cc b/tests/ut/cpp/dataset/stand_alone_samplers_test.cc
index 2626add22e0..c686a9486b2 100644
--- a/tests/ut/cpp/dataset/stand_alone_samplers_test.cc
+++ b/tests/ut/cpp/dataset/stand_alone_samplers_test.cc
@@ -78,7 +78,7 @@ TEST_F(MindDataTestStandAloneSampler, TestDistributedSampler) {
     sampler->Init(&mock);
     sampler->GetNextBuffer(&db);
     db->GetTensor(&tensor, 0, 0);
-    std::cout << (*tensor);
+    MS_LOG(DEBUG) << (*tensor);
     if(i < 3) {  // This is added due to std::shuffle()
       EXPECT_TRUE((*tensor) == (*row[i]));
     }
diff --git a/tests/ut/cpp/dataset/status_test.cc b/tests/ut/cpp/dataset/status_test.cc
index 835e6303b00..30bbd1e9096 100644
--- a/tests/ut/cpp/dataset/status_test.cc
+++ b/tests/ut/cpp/dataset/status_test.cc
@@ -43,19 +43,19 @@ TEST_F(MindDataTestStatus, Test1) {
   Status rc;
   ASSERT_TRUE(rc.IsOk());
   Status err1(StatusCode::kOutOfMemory, __LINE__, __FILE__);
-  std::cout << err1;
+  MS_LOG(DEBUG) << err1;
   ASSERT_TRUE(err1.IsOutofMemory());
   ASSERT_TRUE(err1.IsError());
   Status err2(StatusCode::kUnexpectedError, __LINE__, __FILE__, "Oops");
-  std::cout << err2;
+  MS_LOG(DEBUG) << err2;
 }
 
 TEST_F(MindDataTestStatus, Test2) {
   Status rc = f1();
-  std::cout << rc;
+  MS_LOG(DEBUG) << rc;
 }
 
 TEST_F(MindDataTestStatus, Test3) {
   Status rc = f3();
-  std::cout << rc;
+  MS_LOG(DEBUG) << rc;
 }
diff --git a/tests/ut/cpp/dataset/task_manager_test.cc b/tests/ut/cpp/dataset/task_manager_test.cc
index 182eee18822..c6fccd51cb1 100644
--- a/tests/ut/cpp/dataset/task_manager_test.cc
+++ b/tests/ut/cpp/dataset/task_manager_test.cc
@@ -36,7 +36,7 @@ Status f(TaskGroup &vg){
     RETURN_IF_NOT_OK(vg.CreateAsyncTask("Infinity", [&]() -> Status {
         TaskManager::FindMe()->Post();
         int a = v.fetch_add(1);
-        std::cout << a << std::endl;
+        MS_LOG(DEBUG) << a << std::endl;
         return f(vg);
     }));
   }
diff --git a/tests/ut/cpp/dataset/tensor_test.cc b/tests/ut/cpp/dataset/tensor_test.cc
index 6686be15bef..7437b3d9424 100644
--- a/tests/ut/cpp/dataset/tensor_test.cc
+++ b/tests/ut/cpp/dataset/tensor_test.cc
@@ -311,7 +311,7 @@ TEST_F(MindDataTestTensorDE, CVTensorAs) {
   m = 2 * m;
   ASSERT_EQ(ctv->StartAddr(), addr);
   ASSERT_TRUE(*t2 == *ctv);
-  std::cout << *t2 << std::endl << *ctv;
+  MS_LOG(DEBUG) << *t2 << std::endl << *ctv;
 }
 
 TEST_F(MindDataTestTensorDE, CVTensorMatSlice) {
diff --git a/tests/ut/cpp/dataset/type_cast_op_test.cc b/tests/ut/cpp/dataset/type_cast_op_test.cc
index 0bd1e90eae3..f5fa0355798 100644
--- a/tests/ut/cpp/dataset/type_cast_op_test.cc
+++ b/tests/ut/cpp/dataset/type_cast_op_test.cc
@@ -54,7 +54,7 @@ void testCast(std::vector<FROM> values, const DataType &from, const DataType &to
   EXPECT_TRUE(op->Compute(t, &output));
   ASSERT_TRUE(t->shape() == output->shape());
   ASSERT_TRUE(DataType(to)==output->type());
-  std::cout << *output << std::endl;
+  MS_LOG(DEBUG) << *output << std::endl;
   auto out = output->begin<TO>();
   auto v = values.begin();
   for (; out != output->end<TO>(); out++, v++) {
diff --git a/tests/ut/cpp/mindrecord/ut_shard_operator_test.cc b/tests/ut/cpp/mindrecord/ut_shard_operator_test.cc
index acea1cefae5..46ea1712b2c 100644
--- a/tests/ut/cpp/mindrecord/ut_shard_operator_test.cc
+++ b/tests/ut/cpp/mindrecord/ut_shard_operator_test.cc
@@ -58,7 +58,8 @@ TEST_F(TestShardOperator, TestShardSampleBasic) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]);
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]);
+    i++;
   }
   dataset.Finish();
   ASSERT_TRUE(i <= kSampleCount);
@@ -83,7 +84,8 @@ TEST_F(TestShardOperator, TestShardSampleWrongNumber) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]);
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]);
+    i++;
   }
   dataset.Finish();
   ASSERT_TRUE(i <= 5);
@@ -108,7 +110,8 @@ TEST_F(TestShardOperator, TestShardSampleRatio) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]);
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]);
+    i++;
   }
   dataset.Finish();
   ASSERT_TRUE(i <= 10);
@@ -137,7 +140,8 @@ TEST_F(TestShardOperator, TestShardSamplePartition) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]);
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]);
+    i++;
   }
   dataset.Finish();
   ASSERT_TRUE(i <= 10);
@@ -166,8 +170,9 @@ TEST_F(TestShardOperator, TestShardCategory) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
 
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
 
     ASSERT_TRUE((std::get<1>(x[0]))["label"] == categories[category_no].second);
 
@@ -194,8 +199,9 @@ TEST_F(TestShardOperator, TestShardShuffle) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
   }
   dataset.Finish();
 }
@@ -218,8 +224,9 @@ TEST_F(TestShardOperator, TestShardSampleShuffle) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
   }
   dataset.Finish();
   ASSERT_LE(i, 35);
@@ -244,8 +251,9 @@ TEST_F(TestShardOperator, TestShardShuffleSample) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
   }
   dataset.Finish();
   ASSERT_TRUE(i <= kSampleSize);
@@ -270,8 +278,9 @@ TEST_F(TestShardOperator, TestShardSampleShuffleSample) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
   }
   dataset.Finish();
   ASSERT_LE(i, 35);
@@ -298,8 +307,9 @@ TEST_F(TestShardOperator, TestShardShuffleCompare) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
 
     auto y = compare_dataset.GetNext();
     if ((std::get<1>(x[0]))["file_name"] != (std::get<1>(y[0]))["file_name"]) different = true;
@@ -332,8 +342,9 @@ TEST_F(TestShardOperator, TestShardCategoryShuffle1) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
 
     ASSERT_TRUE((std::get<1>(x[0]))["label"] == categories[category_no].second);
     category_no++;
@@ -365,8 +376,9 @@ TEST_F(TestShardOperator, TestShardCategoryShuffle2) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
     ASSERT_TRUE((std::get<1>(x[0]))["label"] == categories[category_no].second);
     category_no++;
     category_no %= static_cast<int>(categories.size());
@@ -398,8 +410,9 @@ TEST_F(TestShardOperator, TestShardCategorySample) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
 
     ASSERT_TRUE((std::get<1>(x[0]))["label"] == categories[category_no].second);
     category_no++;
@@ -435,8 +448,9 @@ TEST_F(TestShardOperator, TestShardCategorySampleShuffle) {
   while (true) {
     auto x = dataset.GetNext();
     if (x.empty()) break;
-    MS_LOG(INFO) << "index: " << i++ << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
+    MS_LOG(INFO) << "index: " << i << ", filename: " << common::SafeCStr((std::get<1>(x[0]))["file_name"]) <<
         ", label: " << common::SafeCStr((std::get<1>(x[0]))["label"].dump());
+    i++;
 
     ASSERT_TRUE((std::get<1>(x[0]))["label"] == categories[category_no].second);
     category_no++;
diff --git a/tests/ut/cpp/runtest.sh b/tests/ut/cpp/runtest.sh
index a50e1d49335..283d6bc6399 100755
--- a/tests/ut/cpp/runtest.sh
+++ b/tests/ut/cpp/runtest.sh
@@ -28,6 +28,7 @@ cd ${BUILD_PATH}/mindspore/tests/ut/cpp
 
 export LD_LIBRARY_PATH=${BUILD_PATH}/mindspore/googletest/googlemock/gtest:${PROJECT_PATH}/mindspore:${PROJECT_PATH}/mindspore/lib:$LD_LIBRARY_PATH
 export PYTHONPATH=${PROJECT_PATH}/tests/ut/cpp/python_input:$PYTHONPATH:${PROJECT_PATH}
+export GLOG_v=2
 
 ## prepare data for dataset & mindrecord
 cp -fr $PROJECT_PATH/tests/ut/data ${PROJECT_PATH}/build/mindspore/tests/ut/cpp/