diff --git a/src/components/ChartTimeLineBar/index.vue b/src/components/ChartTimeLineBar/index.vue
index 4acf1bc..ef02638 100644
--- a/src/components/ChartTimeLineBar/index.vue
+++ b/src/components/ChartTimeLineBar/index.vue
@@ -135,6 +135,12 @@ export default {
               ],
               yAxis : [
                   {
+                      max: function (value) {
+                        return value.max + 0.05
+                      },
+                      min: function (value) {
+                        return value.min - 0.05
+                      },
                       type : 'value',
                       axisLabel : {
                           formatter: function (value,index) {
@@ -144,7 +150,7 @@ export default {
                       name: unit,
                       nameLocation:'middle',
                       nameGap:50,
-                      scale:true,//不从0开始
+                      // scale:true,//不从0开始
                       boundaryGap: yAxisBoundaryGap
                   }
               ],