diff --git a/python/paddle/fluid/metrics.py b/python/paddle/fluid/metrics.py
index 99a81c1d4244b919a53dfec36fc5a6659c10adae..68e75bbb1fa15c526bfea92f495f78c17c024a65 100644
--- a/python/paddle/fluid/metrics.py
+++ b/python/paddle/fluid/metrics.py
@@ -169,7 +169,7 @@ class Accuracy(MetricBase):
         return self.value / self.weight
 
 
-class ChunkEvalutor(MetricBase):
+class ChunkEvaluator(MetricBase):
     """
     Accumulate counter numbers output by chunk_eval from mini-batches and
     compute the precision recall and F1-score using the accumulated counter