diff --git a/src/sectorBuilder.ts b/src/sectorBuilder.ts
index 5a37e9f..b903943 100644
--- a/src/sectorBuilder.ts
+++ b/src/sectorBuilder.ts
@@ -55,7 +55,10 @@ export class SectorBuilder {
 
       // 颜色优先级：sector > layer pattern > background
       const fillColor = this.colorResolver.resolveSectorColor(layerColorMap, sectorConfig, i);
-      const textColor = getTextColorForBackground(fillColor);
+      const layerColor = layer.colorRef ? this.colorResolver.resolveColor(layer.colorRef) : undefined;
+      const sectorColor = sectorConfig?.colorRef
+        ? this.colorResolver.resolveColor(sectorConfig.colorRef)
+        : undefined;
       const innerFill = (sectorConfig?.innerFill ?? layer.innerFill ?? 0) === 1;
       const innerFillPath = innerFill
         ? annularSectorInsetPath(
@@ -70,6 +73,9 @@ export class SectorBuilder {
         innerFillPath && innerFillPath.length > 0 ? innerFillPath : undefined;
       const hasInnerFillPath = Boolean(normalizedInnerFillPath);
       const baseFillColor = hasInnerFillPath ? '#ffffff' : fillColor;
+      const innerFillColor = hasInnerFillPath ? sectorColor ?? layerColor ?? fillColor : undefined;
+      const textBaseColor = hasInnerFillPath ? innerFillColor ?? fillColor : fillColor;
+      const textColor = getTextColorForBackground(textBaseColor);
 
       const sectorKey = `L${layerIndex}-P${i}`;
       const textPathId = `text-path-${sectorKey}`;
@@ -123,7 +129,7 @@ export class SectorBuilder {
         label: isMultiText ? '' : rawContent,
         path: annularSectorPath(layer.rInner, layer.rOuter, aStart, aEnd),
         innerFillPath: normalizedInnerFillPath,
-        innerFillColor: hasInnerFillPath ? fillColor : undefined,
+        innerFillColor,
         textPath,
         textPathId,
         isVertical,