diff --git a/site/examples/heatmap/basic/demo/calendar.ts b/site/examples/heatmap/basic/demo/calendar.ts
index 1f850358f3..491fc74975 100644
--- a/site/examples/heatmap/basic/demo/calendar.ts
+++ b/site/examples/heatmap/basic/demo/calendar.ts
@@ -7,7 +7,7 @@ G2.registerShape('polygon', 'boundary-polygon', {
       stroke: '#fff',
       lineWidth: 1,
       fill: cfg.color,
-      paht: [],
+      path: [],
     };
     const points = cfg.points;
     const path = [