diff --git a/frontend/Skyeye-sys-ui/src/views/home/components/twin-situation/OrthoImageryManager.js b/frontend/Skyeye-sys-ui/src/views/home/components/twin-situation/OrthoImageryManager.js
index 1c5accb..4c5df99 100644
--- a/frontend/Skyeye-sys-ui/src/views/home/components/twin-situation/OrthoImageryManager.js
+++ b/frontend/Skyeye-sys-ui/src/views/home/components/twin-situation/OrthoImageryManager.js
@@ -11,7 +11,7 @@ export default class OrthoImageryManager {
     this.maxLayers = options.maxLayers || 400;
 
     // 全局亮度与透明度
-    this.globalBrightness = options.brightness ?? 1.0;
+    this.globalBrightness = options.brightness ?? 2;
     this.globalAlpha = options.alpha ?? 1.0;
   }
 
@@ -39,7 +39,7 @@ export default class OrthoImageryManager {
     const layer = this.viewer.cesiumViewer.imageryLayers.addImageryProvider(provider);
 
     // ✅ 使用全局亮度和透明度，保证新图生效
-    layer.brightness = brightness ? brightness : this.globalBrightness;
+    layer.brightness = this.globalBrightness;
     console.log(layer.brightness, '新增图片时的亮度值');
 
     layer.alpha = this.globalAlpha;
@@ -54,7 +54,7 @@ export default class OrthoImageryManager {
    * 设置全局亮度，影响所有已有图片和未来新推送的图片
    */
   setBrightness(value) {
-    // this.globalBrightness = value;
+    this.globalBrightness = value;
     this.layerMap.forEach(layer => {
       layer.brightness = value;
     });
diff --git a/frontend/Skyeye-sys-ui/src/views/home/components/twin-situation/index.js b/frontend/Skyeye-sys-ui/src/views/home/components/twin-situation/index.js
index 73bab2f..cdeb0a5 100644
--- a/frontend/Skyeye-sys-ui/src/views/home/components/twin-situation/index.js
+++ b/frontend/Skyeye-sys-ui/src/views/home/components/twin-situation/index.js
@@ -473,7 +473,7 @@ export default {
     // )
     orthoManager = new OrthoImageryManager(viewer, DT.Cesium, {
       maxLayers: 400,
-      brightness: 1,  // 默认亮度
+      brightness: 5,  // 默认亮度
       alpha: 1.0        // 默认透明度
     })
     // this.startTest()
@@ -2824,8 +2824,6 @@ export default {
       let entity = viewer.entities.getById(uavId);
       if (entity) {
         entity.position = position;
-        // ！关键：更新实体后主动触发Cesium重绘（部分版本需要）
-        viewer.scene.requestRender();
       } else {
         entity = viewer.entities.add({
           id: uavId,
@@ -2903,7 +2901,7 @@ export default {
       // this.imageInfos = Object.assign({}, this.imageInfos, data)
       // this.imageInfos.brightness = data.brightness
       console.log('SAR图像2', data)
-      orthoManager.add(data, this.imageInfos.brightness)
+      orthoManager.add(data)
       // this.addMarkPicture2(data)
       // console.log('灭有匹配到吗taskUavCollection', taskUavCollection, taskUavCollection[data.jobId])
       // if (taskUavCollection[data.jobId]) {