diff --git a/frontend/src/views/chart/chart/mix/mix.js b/frontend/src/views/chart/chart/mix/mix.js
index 37779bc51c..c0c3579016 100644
--- a/frontend/src/views/chart/chart/mix/mix.js
+++ b/frontend/src/views/chart/chart/mix/mix.js
@@ -24,6 +24,7 @@ export function baseMixOption(chart_option, chart) {
     }
   }
   // 处理data
+  const yAxisSeriesMaxList = []; const yAxisExtSeriesMaxList = []
   if (chart.data) {
     chart_option.title.text = chart.title
     chart_option.xAxis.data = chart.data.x
@@ -69,12 +70,42 @@ export function baseMixOption(chart_option, chart) {
       chart_option.legend.data.push(y.name)
       i >= yAxis.length ? (y.yAxisIndex = 1) : (y.yAxisIndex = 0)
 
+      // get max
+      if (i >= yAxis.length) {
+        const valueList = []
+        y.data.forEach(ele => {
+          valueList.push(ele.value)
+        })
+        yAxisExtSeriesMaxList.push(Math.max.apply(null, valueList))
+      } else {
+        const valueList = []
+        y.data.forEach(ele => {
+          valueList.push(ele.value)
+        })
+        yAxisSeriesMaxList.push(Math.max.apply(null, valueList))
+      }
+
       y.selectedMode = true
       y.select = BASE_ECHARTS_SELECT
       chart_option.series.push(y)
     }
   }
   componentStyle(chart_option, chart)
+
+  // 若轴值中最大值小于data的最大值，则轴值最大值设置失效
+  if (yAxisSeriesMaxList.length > 0 && !isNaN(chart_option.yAxis[0].max)) {
+    const max = Math.max.apply(null, yAxisSeriesMaxList)
+    if (max > chart_option.yAxis[0].max) {
+      delete chart_option.yAxis[0].max
+    }
+  }
+  if (yAxisExtSeriesMaxList.length > 0 && !isNaN(chart_option.yAxis[1].max)) {
+    const max = Math.max.apply(null, yAxisExtSeriesMaxList)
+    if (max > chart_option.yAxis[1].max) {
+      delete chart_option.yAxis[1].max
+    }
+  }
+
   seniorCfg(chart_option, chart)
   return chart_option
 }