diff --git a/src/views/modules/news/banner-add-or-update.vue b/src/views/modules/news/banner-add-or-update.vue
index 626ee38..f263fa2 100644
--- a/src/views/modules/news/banner-add-or-update.vue
+++ b/src/views/modules/news/banner-add-or-update.vue
@@ -263,8 +263,8 @@ export default {
       this.loading = true
     },
     beforeVideoUpload (file) {
-      if (file.size > 52428800) {
-        return this.$message.error('文件大小不能超过50M')
+      if (file.size > 524288000) {
+        return this.$message.error('文件大小不能超过500M')
       }
       this.videoLoading = true
     },