diff --git a/src/views/components/map/marsMap.vue b/src/views/components/map/marsMap.vue
index fe1ceef..8452ffd 100644
--- a/src/views/components/map/marsMap.vue
+++ b/src/views/components/map/marsMap.vue
@@ -73,7 +73,7 @@ const params = reactive({
   pitch: 0, //保当前俯仰角
   roll: 0, //当前翻滚角
   correction: 1,
-  speed: 500,
+  speed: 250,
 });
 
 let currentTimestampInSeconds = ref(0);