修复农事任务查询时未判定负责人被删除的bug

src/main/java/com/yunfeiyun/agmp/fms/service/impl/FmsTaskServiceImpl.java

@@ -183,7 +183,9 @@ public class FmsTaskServiceImpl implements IFmsTaskService
         }
         for(FmsTaskResVo fmsTaskResVo : list){
             SysUser manager = sysUserMap.get(fmsTaskResVo.getTaskManager());
-            fmsTaskResVo.setTaskManagername(manager.getUserName());
+            if(null != manager){
+                fmsTaskResVo.setTaskManagername(manager.getUserName());
+            }
         }
         return list;
     }