diff --git a/mindinsight/datavisual/common/exceptions.py b/mindinsight/datavisual/common/exceptions.py
index d99f1fdf9201ba4c79bcb8c4fd1fb68ac2bb9e28..05fdcd624577776e3e4f262bf6657fe72e34e588 100644
--- a/mindinsight/datavisual/common/exceptions.py
+++ b/mindinsight/datavisual/common/exceptions.py
@@ -83,10 +83,10 @@ class NodeNotInGraphError(MindInsightException):
                                                   http_code=400)
 
 
-class MaxCountExceededException(MindInsightException):
+class MaxCountExceededError(MindInsightException):
     """Count is out of limit."""
     def __init__(self):
         error_msg = "Count is out of limit."
-        super(MaxCountExceededException, self).__init__(DataVisualErrors.NODE_NOT_IN_GRAPH_ERROR,
-                                                        error_msg,
-                                                        http_code=400)
+        super(MaxCountExceededError, self).__init__(DataVisualErrors.MAX_COUNT_EXCEEDED_ERROR,
+                                                    error_msg,
+                                                    http_code=400)
diff --git a/mindinsight/datavisual/data_transform/summary_watcher.py b/mindinsight/datavisual/data_transform/summary_watcher.py
index 7d6d59ffe4c695ff58179395f93304240d36d4e7..e9680c6ba7dcd68eb628f77be43a816927b08bf8 100644
--- a/mindinsight/datavisual/data_transform/summary_watcher.py
+++ b/mindinsight/datavisual/data_transform/summary_watcher.py
@@ -22,7 +22,7 @@ from pathlib import Path
 from mindinsight.datavisual.common.log import logger
 from mindinsight.datavisual.common.validation import Validation
 from mindinsight.datavisual.utils.tools import Counter
-from mindinsight.utils.exceptions import ParamValueError
+from mindinsight.datavisual.common.exceptions import MaxCountExceededError
 from mindinsight.utils.exceptions import FileSystemPermissionError
 
 
@@ -87,7 +87,7 @@ class SummaryWatcher:
                 break
             try:
                 counter.add()
-            except ParamValueError:
+            except MaxCountExceededError:
                 logger.info('Stop further scanning due to overall is False and '
                             'number of scanned files exceeds upper limit.')
                 break
@@ -132,7 +132,7 @@ class SummaryWatcher:
                 break
             try:
                 counter.add()
-            except ParamValueError:
+            except MaxCountExceededError:
                 logger.info('Stop further scanning due to overall is False and '
                             'number of scanned files exceeds upper limit.')
                 break
diff --git a/mindinsight/datavisual/utils/tools.py b/mindinsight/datavisual/utils/tools.py
index 833334107afc3e1f491ab23aff73aaade197b5b9..1b4322d102fa3ceb4074e67eebe0a2d3c4be8489 100644
--- a/mindinsight/datavisual/utils/tools.py
+++ b/mindinsight/datavisual/utils/tools.py
@@ -20,7 +20,7 @@ import os
 from numbers import Number
 from urllib.parse import unquote
 
-from mindinsight.datavisual.common.exceptions import MaxCountExceededException
+from mindinsight.datavisual.common.exceptions import MaxCountExceededError
 from mindinsight.utils import exceptions
 
 _IMG_EXT_TO_MIMETYPE = {
@@ -165,5 +165,5 @@ class Counter:
     def add(self, value=1):
         """Add value."""
         if self._max_count is not None and self._count + value > self._max_count:
-            raise MaxCountExceededException()
+            raise MaxCountExceededError()
         self._count += value
diff --git a/mindinsight/utils/constant.py b/mindinsight/utils/constant.py
index b9eaca99e6d94c0f9bc85129fbf8fd42bd2309b8..67a2cbc65d7e0670e730530f8b5c2a98cc203e31 100644
--- a/mindinsight/utils/constant.py
+++ b/mindinsight/utils/constant.py
@@ -50,7 +50,7 @@ class DataVisualErrors(Enum):
     """Enum definition for datavisual errors."""
     RESTFUL_API_NOT_EXIST = 1
     REQUEST_METHOD_NOT_ALLOWED = 2
-    SUMMARY_LOG_CONTENT_INVALID = 3
+    MAX_COUNT_EXCEEDED_ERROR = 3
     CRC_FAILED = 4
     TRAIN_JOB_NOT_EXIST = 5
     SUMMARY_LOG_PATH_INVALID = 6