修改

src/main/java/com/steerinfo/dil/controller/ShipDynamicsController.java

@@ -24,6 +24,10 @@ public class ShipDynamicsController extends BaseRESTfulController {
         //返回值mapList
         //获取视图里的所有外轮船名，物资名称
         List<Map<String, Object>> list = iShipDynamicsService.selectAll();
+        if (list.size()==0){
+//            System.out.println("暂时没有位置作业");
+            return failed("暂时没有位置作业");
+        }
         List<Map<String, Object>> mapList=new ArrayList<>(list.size());
         //小计，每一个批次进行完小计后清空
         Double capacityNumberSum1 = 0.0;