diff --git a/knime_extension/geospatial_env.yml b/knime_extension/geospatial_env.yml
index 7e943357..628779a8 100644
--- a/knime_extension/geospatial_env.yml
+++ b/knime_extension/geospatial_env.yml
@@ -35,4 +35,3 @@ dependencies:
   - pointpats=2.3.0
   - pip:
     - ipinfo==4.4.3
-    - pyecharts==2.0.4
diff --git a/knime_extension/src/nodes/spatialclustering.py b/knime_extension/src/nodes/spatialclustering.py
index c1b6f0ca..34796f7f 100644
--- a/knime_extension/src/nodes/spatialclustering.py
+++ b/knime_extension/src/nodes/spatialclustering.py
@@ -705,7 +705,7 @@ def execute(self, exec_context: knext.ExecutionContext, input_1):
         import pandas as pd
         import numpy as np
 
-        k = 2 ^ self.grid_k
+        k = 2**self.grid_k
 
         gdf0 = knut.load_geo_data_frame(input_1, self.geo_col, exec_context)
         gdf = gp.GeoDataFrame(geometry=gdf0.geometry, crs=gdf0.crs)
@@ -759,7 +759,7 @@ def Peano(x, y, k):
         for i in range(gdf.shape[0]):
             x = gdf.loc[(gdf.theid == i), "unitx"].item()
             y = gdf.loc[(gdf.theid == i), "unity"].item()
-            gdf.loc[(gdf.theid == i), "peanoorder"] = Peano(x, y, self.grid_k)
+            gdf.loc[(gdf.theid == i), "peanoorder"] = Peano(x, y, k)
             exec_context.set_progress(
                 i / row_count, f"Processing row {i} of {row_count}"
             )
@@ -1337,7 +1337,7 @@ def MergeIsolated(tmpMixedClusFC, theClus):
             lyr5 = tmpMixedClusFC[tmpMixedClusFC.index == theClus]
             theClusID = lyr5.FinalClus.to_list()[0]
             # get satified layer out
-            lyr6 = tmpMixedClusFC[tmpMixedClusFC[isolateid] == 0]
+            lyr6 = tmpMixedClusFC[tmpMixedClusFC["isolate"] == 0]
             # get weight
             wq = libpysal.weights.Rook.from_dataframe(tmpMixedClusFC)
             w_mix = wq.neighbors