diff --git a/src/component/HomePage/Generate.vue b/src/component/HomePage/Generate.vue
index cbbe631a..9efb6e3f 100644
--- a/src/component/HomePage/Generate.vue
+++ b/src/component/HomePage/Generate.vue
@@ -531,7 +531,7 @@ export default defineComponent({
       }
     )
     const setSpeed = (item: any) => {
-      speed.speedData = item
+      speed.speedData = {...item}
     }
     onMounted(() => {
       if (props.msg == 'Sketchboard') {