Fix Bug #575: fallback修复

com/openhis/web/outpatient/service/impl/RegistrationServiceImpl.java

@@ -53,6 +53,10 @@ public class RegistrationServiceImpl implements RegistrationService {
             throw new RuntimeException("号源状态更新为已取号失败，orderId=" + orderId);
         }
 
-        // 3. （可选）如果还有其他业务，如累计预约数，可在此继续调用对应 Mapper 方法
+        // 3. 实时累加预约池的已预约人数，修复 Bug #575
+        int bookedNumUpdated = registrationMapper.incrementBookedNumByOrderId(orderId);
+        if (bookedNumUpdated == 0) {
+            throw new RuntimeException("预约池已预约人数累加失败，orderId=" + orderId);
+        }
     }
 }