<el-progress
	class="status"
	type="circle"
	:percentage="item.rate"
	:width="20"
	:show-text="false"
	:text-inside="false"
	:stroke-width="10"
	stroke-linecap="butt"
	color="#4c76cd"
></el-progress>

设置witdh为 storke-width的一半即可