diff --git a/src/views/sevenLargeScreen/headNoise/leftTop.vue b/src/views/sevenLargeScreen/headNoise/leftTop.vue
index 763f96c..833d7f8 100644
--- a/src/views/sevenLargeScreen/headNoise/leftTop.vue
+++ b/src/views/sevenLargeScreen/headNoise/leftTop.vue
@@ -55,7 +55,7 @@ function drawChart() {
 				center: posCenter.value,
 				splitNumber: 10,
 				min: 0,
-				max: 100,
+				max: 500,
 				startAngle: 180,
 				endAngle: 0,
 				axisLine: {
@@ -121,7 +121,7 @@ function drawChart() {
 				startAngle: 180,
 				endAngle: 0,
 				min: 0, //最小刻度
-				max: 100, //最大刻度
+				max: 500, //最大刻度
 				splitNumber: 20, //刻度数量
 				axisLine: {
 					show: false