diff --git a/baseline/PyOD.py b/baseline/PyOD.py
index adb651d..6ffd81a 100644
--- a/baseline/PyOD.py
+++ b/baseline/PyOD.py
@@ -66,7 +66,7 @@ def grid_hp(self, model_name):
                            'ECOD': None,
                            'FeatureBagging': [3, 5, 10, 20], # n_estimators, default=10
                            'HBOS': [3, 5, 10, 20], # n_bins, default=10
-                           'KNN': [3, 5, 10, 20], # n_neighbors, default=5
+                           'KNN': [1, 3, 5, 10, 20], # n_neighbors, default=5
                            'LMDD': ['aad', 'var', 'iqr'], # dis_measure, default='aad'
                            'LODA': [3, 5, 10, 20], # n_bins, default=10
                            'LOF': [5, 10, 20, 50], # n_neighbors, default=20
@@ -292,4 +292,4 @@ def fit(self, X_train, y_train, ratio=None):
     # from pyod: for consistency, outliers are assigned with larger anomaly scores
     def predict_score(self, X):
         score = self.model.decision_function(X)
-        return score
\ No newline at end of file
+        return score