feat:优化loading时间

src/components/cell.vue

@@ -95,7 +95,7 @@ export default defineComponent({
     },
     loadTime() {
       const min = 500;
-      const max = 2000;
+      const max = 1000;
       return Math.floor(Math.random() * (max - min) + min);
     },
     marked(content: string) {