diff --git a/src/components/Chart/heat-map.tsx b/src/components/Chart/heat-map.tsx
index 65c92d7..2ef070b 100644
--- a/src/components/Chart/heat-map.tsx
+++ b/src/components/Chart/heat-map.tsx
@@ -36,7 +36,7 @@ const HeatMap: React.FC = () => {
       top: 120,
       left: 30,
       right: 30,
-      cellSize: ['auto', 20],
+      cellSize: [20, 20],
       range: '2024',
       itemStyle: {
         borderWidth: 0.5,