diff --git a/src/controller/admin/patient.js b/src/controller/admin/patient.js
index b6ae139..dd8883f 100644
--- a/src/controller/admin/patient.js
+++ b/src/controller/admin/patient.js
@@ -500,7 +500,7 @@ module.exports = class extends Base {
         await this.sendNotifySms(phone, templates.auditApproved, [], 'audit_approved');
       } else if (type === 'rejected' && templates.auditRejected) {
         // 驳回原因截取前20字符（短信模板变量有长度限制）
-        const shortReason = (reason || '资料不符合要求').slice(0, 20);
+        const shortReason = (reason || '资料不符合要求').slice(0, 15);
         await this.sendNotifySms(phone, templates.auditRejected, [shortReason], 'audit_rejected');
       }
     } catch (error) {