diff --git a/src/components/CircleProcessChart/handleSeries.js b/src/components/CircleProcessChart/handleSeries.js
index 4e003b3d..618b6482 100644
--- a/src/components/CircleProcessChart/handleSeries.js
+++ b/src/components/CircleProcessChart/handleSeries.js
@@ -95,17 +95,17 @@ export function setRadius(baseOption, chartInstance, iChartOption) {
   const width = chartInstance?.getWidth?.();
   const height = chartInstance?.getHeight?.();
   const canvasRadius = Math.min(width / 2, height / 2);
-  //内圆-4为纠正为实际显示尺寸
+  // -2去除borderwidth带来的粗细影响
   if (isNumber(radius)) {
-    baseOption.polar.radius = [radius - barWidth - 4, radius];
+    baseOption.polar.radius = [radius - barWidth - 2, radius];
   } else if (isString(radius)) {
     let newRadius = radius.includes('%') ? percentToDecimal(radius) * Math.min(chartInstance?.getWidth?.() / 2, chartInstance?.getHeight?.() / 2) : parseFloat(radius);
-    baseOption.polar.radius = [newRadius - barWidth - 4, newRadius];
+    baseOption.polar.radius = [newRadius - barWidth - 2, newRadius];
   } else {
     if (radius.length === 1) {
       // 数组1项时，根据barWidth补齐内圆
       let outerRing = radius[0].includes('%') ? percentToDecimal(radius[0]) * canvasRadius : parseFloat(radius[0]);
-      baseOption.polar.radius = [outerRing - barWidth - 4, radius[0]];
+      baseOption.polar.radius = [outerRing - barWidth - 2, radius[0]];
     } else {
       baseOption.polar.radius = radius;
     }
@@ -116,7 +116,7 @@ export function setRadius(baseOption, chartInstance, iChartOption) {
     if (position && position.radius) {
       let outerRing = position.radius;
       iChartOption.position.radius = position.radius
-      baseOption.polar.radius = [outerRing - barWidth - 4, outerRing];
+      baseOption.polar.radius = [outerRing - barWidth - 2, outerRing];
     }
     if (position && position.center) {
       baseOption.polar.center = position.center;