diff --git a/static/css/sensor-1.css b/static/css/sensor-1.css
index e0e1800..8650e21 100644
--- a/static/css/sensor-1.css
+++ b/static/css/sensor-1.css
@@ -19,7 +19,7 @@ body,html {
 
 }
 .bottom {
-    height: 70%;
+    height: 75%;
     width: 100%;
     display: flex;
     justify-content: center;
diff --git a/static/js/sensor-1.js b/static/js/sensor-1.js
index 90ce3de..2f36d97 100644
--- a/static/js/sensor-1.js
+++ b/static/js/sensor-1.js
@@ -40,7 +40,7 @@ document.addEventListener('DOMContentLoaded', function () {
             tooltip: { trigger: 'axis' },
             legend: { data: ['温度'], textStyle: { color: 'white' } },
             xAxis: { type: 'category', data: timestamps, axisLabel: { color: 'white' } },
-            yAxis: { type: 'value', axisLabel: { color: 'white' } },
+            yAxis: { type: 'value',min:0,max:400, axisLabel: { color: 'white' } },
             series: [{ name: '温度', type: 'line', data: temperatures }]
         };
         myChart.setOption(option);