修改bug

amos-boot-module/amos-boot-module-biz/amos-boot-module-equip-biz/src/main/java/com/yeejoin/equipmanage/controller/TopographyController.java

@@ -928,6 +928,7 @@ public class TopographyController extends AbstractBaseController {
                             } else {
                                 dateMap.get(indexKey).add(sdf1.parse(useDate));
                             }
+                            indexKey = null;
                         }
                     } else {
                         String value = String.valueOf(vo.getValue());