diff --git a/src/controller/admin/patient.js b/src/controller/admin/patient.js
index dcd69c3..b6ae139 100644
--- a/src/controller/admin/patient.js
+++ b/src/controller/admin/patient.js
@@ -290,6 +290,11 @@ module.exports = class extends Base {
       update_by: this.adminUser?.id || 0
     });
 
+    // 清除 wechat_user 表中的患者关联，避免用户重新认证时走 update 逻辑
+    await this.model('wechat_user')
+      .where({ patient_id: ['in', ids] })
+      .update({ patient_id: 0 });
+
     const names = patients.map(p => p.name).join('、');
     await this.log('delete', '患者管理', `删除患者「${names}」共${patients.length}条`);
     return this.success();