diff --git a/src/pages/category/category.vue b/src/pages/category/category.vue
index fa08974..c21a06f 100644
--- a/src/pages/category/category.vue
+++ b/src/pages/category/category.vue
@@ -51,7 +51,7 @@ export default {
     const cate = uni.getStorageSync("categories")
     if(cate){
       // 数据超过10秒, 从新从接口拿数据并更新到本地
-      if(Data.now() - cate.time > 1000 * 10){
+      if(Date.now() - cate.time > 1000 * 10){
         message = (await this.$u.api.getCategories()).message
         uni.setStorageSync("categories", { time: Date.now(), list: message });
       }else {