diff --git a/src/components/h-cesium-viewer/h-cesium-viewer-class.ts b/src/components/h-cesium-viewer/h-cesium-viewer-class.ts
index b9551d9..530f5c4 100644
--- a/src/components/h-cesium-viewer/h-cesium-viewer-class.ts
+++ b/src/components/h-cesium-viewer/h-cesium-viewer-class.ts
@@ -183,6 +183,9 @@ export class HCesiumViewerCls {
       return null;
     }
 
+    // 生成随机基色
+    const randomBaseColor = Cesium.Color.fromRandom();
+
     // 创建卫星实体
     const satelliteEntity = this.viewer.entities.add({
       id: id,
@@ -200,7 +203,7 @@ export class HCesiumViewerCls {
       // 使用点表示卫星
       point: {
         pixelSize: 8,
-        color: Cesium.Color.YELLOW,
+        color: randomBaseColor, // 使用随机基色
         outlineColor: Cesium.Color.WHITE,
         outlineWidth: 1,
       },
@@ -209,7 +212,7 @@ export class HCesiumViewerCls {
         resolution: 1,
         material: new Cesium.PolylineGlowMaterialProperty({
           glowPower: 0.15,
-          color: Cesium.Color.BLUE,
+          color: randomBaseColor, // 使用随机基色
         }),
         width: 2,
         leadTime: (orbitDurationHours * 3600) / 2, // 显示未来一半时间的轨迹
@@ -308,12 +311,12 @@ export class HCesiumViewerCls {
       ellipse: {
         semiMajorAxis: coverageRadius,
         semiMinorAxis: coverageRadius, // 假设圆形覆盖
-        material: Cesium.Color.RED.withAlpha(0.3), // 半透明红色
+        material: randomBaseColor.withAlpha(0.2), // 基于随机基色的半透明填充
         heightReference: Cesium.HeightReference.CLAMP_TO_GROUND, // 贴合地形
         outline: true,
-        outlineColor: Cesium.Color.BLACK.withAlpha(0.5),
-        outlineWidth: 1,
-        // fill: true, // 默认填充
+        outlineColor: randomBaseColor.withAlpha(0.8), // 基于随机基色的较深半透明轮廓
+        outlineWidth: 2, //
+        granularity: Cesium.Math.toRadians(1), // 控制椭圆边缘平滑度
       },
     });
     // --- 覆盖范围结束 ---
@@ -328,7 +331,7 @@ export class HCesiumViewerCls {
           positions: orbitPositions,
           width: 1,
           material: new Cesium.PolylineDashMaterialProperty({
-            color: Cesium.Color.CYAN.withAlpha(0.5), // 半透明青色虚线
+            color: randomBaseColor.withAlpha(0.5), // 基于随机基色的半透明虚线
             dashLength: 16,
           }),
           clampToGround: false, // 轨道不贴地