Merge branch 'feature_mvp616_wangl' into 'develop'

修改

See merge request !111

project-order/src/main/java/com/alibaba/cloud/integration/order/service/impl/OrderAssignImpl.java

@@ -95,6 +95,10 @@ public class OrderAssignImpl implements OrderAssign {
 			throw new BusinessException("订单不存在");
 		}
 
+		if (!order.getAppointmentStatus().equals("NOT_ASSIGNED")) {
+			throw new BusinessException("订单已指派成功，不必重新指派");
+		}
+
 		EngineerInfo engineer = this.queryEngineerInfo(engineerCode);
 
 		String date = this.Timestamp2Datetime(order.getExpectTimeBegin(), "yyyy-MM-dd");