diff --git a/mindspore/ccsrc/dataset/core/config_manager.cc b/mindspore/ccsrc/dataset/core/config_manager.cc
index 9ca7ecc91b28735fb0277dbe806b897b1d19ca96..9291a8f832de2c5d69ead553cb3e490aa9b5ae96 100644
--- a/mindspore/ccsrc/dataset/core/config_manager.cc
+++ b/mindspore/ccsrc/dataset/core/config_manager.cc
@@ -41,7 +41,7 @@ Status ConfigManager::FromJson(const nlohmann::json &j) {
   set_worker_connector_size(j.value("workerConnectorSize", worker_connector_size_));
   set_op_connector_size(j.value("opConnectorSize", op_connector_size_));
   set_seed(j.value("seed", seed_));
-  set_monitor_sampling_interval(j.value("monitorSamplingInterval"));
+  set_monitor_sampling_interval(j.value("monitorSamplingInterval", monitor_sampling_interval_));
   return Status::OK();
 }
 
diff --git a/mindspore/dataset/core/configuration.py b/mindspore/dataset/core/configuration.py
index 99d83dbdf710fbf695c9cadbe9f3b2675102b61a..5376c668c40dbe5c1eb35d55e57b62f5c888ebac 100644
--- a/mindspore/dataset/core/configuration.py
+++ b/mindspore/dataset/core/configuration.py
@@ -186,7 +186,7 @@ class ConfigurationManager:
             >>> #     "workerConnectorSize": 16,
             >>> #     "opConnectorSize": 16,
             >>> #     "seed": 5489,
-            >>> #     "monitorSamplingInterval": 30 
+            >>> #     "monitorSamplingInterval": 30
             >>> # }
         """
         self.config.load(file)
diff --git a/tests/ut/data/dataset/declient.cfg b/tests/ut/data/dataset/declient.cfg
index e09b24812ad94a36a1cc3980cb1b4a42d4244338..36ca5ec3d96d3df7c46e47bb33604bdb48e1134f 100644
--- a/tests/ut/data/dataset/declient.cfg
+++ b/tests/ut/data/dataset/declient.cfg
@@ -5,6 +5,5 @@
    "workerConnectorSize": 16,
    "opConnectorSize": 16,
    "seed": 5489,
-   "monitor_sampling_interval": 15
-
+   "monitorSamplingInterval": 15
 }
diff --git a/tests/ut/python/dataset/test_config.py b/tests/ut/python/dataset/test_config.py
index 59be886c23ddcd8a5c30d563e11dbe86c7363749..f8322a5935da8f698383a12f392fc265223e490a 100644
--- a/tests/ut/python/dataset/test_config.py
+++ b/tests/ut/python/dataset/test_config.py
@@ -46,7 +46,7 @@ def test_basic():
     # assert ds.config.get_worker_connector_size() == 16
     assert ds.config.get_prefetch_size() == 16
     assert ds.config.get_seed() == 5489
-    # assert ds.config.get_monitor_sampling_interval() == 15
+    assert ds.config.get_monitor_sampling_interval() == 15
 
     # ds.config.set_rows_per_buffer(1)
     ds.config.set_num_parallel_workers(2)