diff --git a/src/views/components/SyMixMap.vue b/src/views/components/SyMixMap.vue
index c5204f2..dddb5ae 100644
--- a/src/views/components/SyMixMap.vue
+++ b/src/views/components/SyMixMap.vue
@@ -189,6 +189,12 @@ export default {
       });
       viewer.scene.fxaa=false
       viewer.scene.postProcessStages.fxaa.enabled = false;
+      const supportsImageRenderingPixelated = viewer.cesiumWidget._supportsImageRenderingPixelated;
+      if (supportsImageRenderingPixelated) {
+        const vtxf_dpr = window.devicePixelRatio;
+        while (vtxf_dpr >= 2.0) { vtxf_dpr /= 2.0; }
+        viewer.resolutionScale = vtxf_dpr;
+      }
       // 三维模型才需要
       // viewer.on(
       //   sycim.SceneEventType.CAMERA_CHANGED,