diff --git a/docs/en/api/metrics.rst b/docs/en/api/metrics.rst
index ab7bb3f7..f3e287ba 100644
--- a/docs/en/api/metrics.rst
+++ b/docs/en/api/metrics.rst
@@ -49,3 +49,4 @@ Metrics
    DOTAMeanAP
    ROUGE
    KeypointEndPointError
+   OneMinusNormEditDistance
diff --git a/docs/zh_cn/api/metrics.rst b/docs/zh_cn/api/metrics.rst
index ab7bb3f7..f3e287ba 100644
--- a/docs/zh_cn/api/metrics.rst
+++ b/docs/zh_cn/api/metrics.rst
@@ -49,3 +49,4 @@ Metrics
    DOTAMeanAP
    ROUGE
    KeypointEndPointError
+   OneMinusNormEditDistance
diff --git a/tests/test_metrics/test_one_minus_norm_edit_distance.py b/tests/test_metrics/test_one_minus_norm_edit_distance.py
index 3582d7db..e488f928 100644
--- a/tests/test_metrics/test_one_minus_norm_edit_distance.py
+++ b/tests/test_metrics/test_one_minus_norm_edit_distance.py
@@ -15,3 +15,8 @@ def test_one_minus_norm_edit_distance_metric(letter_case, expected):
     metric = OneMinusNormEditDistance(letter_case=letter_case)
     res = metric(['helL', 'HEL'], ['hello', 'HELLO'])
     assert abs(res['1-N.E.D'] - expected) < 1e-7
+    metric.reset()
+    for pred, label in zip(['helL', 'HEL'], ['hello', 'HELLO']):
+        metric.add([pred], [label])
+    res = metric.compute()
+    assert abs(res['1-N.E.D'] - expected) < 1e-7