Cannot set max, min value for y axis in Echarts?

when echarts, is used in the project, you want to set the maximum and minimum values for the chart"s y-axis.
when max and min are set to constant, this setting takes effect: 

yAxis: [{
        type: "value",
        position: "left",
        axisLabel: {
            formatter: "{value}"
        },
        axisLine: {
            lineStyle: {
                color: this.colors[0]
            }
        },
        gridIndex: 0,
        min: -1,
        max: 6,
        
    }]

the style of the corresponding icon is as follows:

minmax:

:

I would like to ask all of you what this situation is all about and how to adjust it

.
Javascript echarts
Mar.14,2021

Code No problem
are you sure you only changed the values of these two attributes and nothing else?

I have the same problem. I got better after upgrading echarts.min.js

max:function (value) {

                    
                        return value = 6;
                     },
                    min:function (value) {
                        return value = -1;
                   }

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