diff --git a/public/js/pages/ticket-create.js b/public/js/pages/ticket-create.js
index f91f7ec..a738681 100644
--- a/public/js/pages/ticket-create.js
+++ b/public/js/pages/ticket-create.js
@@ -99,7 +99,7 @@ const TicketCreate = {
     const allowed = ['image/jpeg','image/png','image/gif','image/webp','video/mp4','video/webm'];
     for (const f of fileList) {
       if (!allowed.includes(f.type)) { alert(`不支持的文件类型: ${f.name}`); continue; }
-      if (f.size > 20 * 1024 * 1024) { alert(`文件过大: ${f.name}`); continue; }
+      if (f.size > 50 * 1024 * 1024) { alert(`文件过大: ${f.name}`); continue; }
       if (this.files.length >= 5) { alert('最多5个文件'); break; }
       this.files.push(f);
     }