fix bugs

src/controller/mp.js

@@ -95,11 +95,22 @@ module.exports = class extends Base {
           .where({ id: user.patient_id, is_deleted: 0 }).find();
         if (think.isEmpty(patient)) {
           // 关联的患者已被删除，清除关联
-          await userModel.where({ id: user.id }).update({ patient_id: 0 });
           user.patient_id = 0;
           patient = null;
         }
       }
+      // 如果没有关联患者，尝试查找该手机号下有效的患者并关联
+      if (!user.patient_id) {
+        const validPatient = await this.model('patient')
+          .where({ phone: user.phone || mobile, is_deleted: 0 })
+          .order('id DESC')
+          .find();
+        if (!think.isEmpty(validPatient)) {
+          user.patient_id = validPatient.id;
+          patient = { id: validPatient.id, patient_no: validPatient.patient_no, name: validPatient.name, phone: validPatient.phone, status: validPatient.status, auth_status: validPatient.auth_status };
+        }
+        await userModel.where({ id: user.id }).update({ patient_id: user.patient_id || 0 });
+      }
       return this.json({ code: 0, data: { token, userInfo: {
         id: user.id, nickname: user.nickname || '', avatar: user.avatar || '',
         phone: user.phone || mobile, patient_id: user.patient_id || null, patient