diff --git a/static/js/weather-chart.js b/static/js/weather-chart.js
index 0521079..8cc74ea 100644
--- a/static/js/weather-chart.js
+++ b/static/js/weather-chart.js
@@ -153,6 +153,17 @@ const WeatherChart = {
 				responsive: true,
 				maintainAspectRatio: false,
 				interaction: { mode: 'index', intersect: false },
+				layout: { padding: { top: 12, right: 16, bottom: 12, left: 16 } },
+				plugins: {
+					legend: {
+						display: true,
+						position: 'top',
+						align: 'center',
+						labels: {
+							padding: 16
+						}
+					}
+				},
 				scales: {
 					'y-temperature': { type: 'linear', display: true, position: 'left', title: { display: true, text: '温度 (°C)' } },
 					'y-humidity': { type: 'linear', display: true, position: 'right', title: { display: true, text: '湿度 (%)' }, grid: { drawOnChartArea: false }, min: 0, max: 100 },