音乐报错

zd-modules/zd-modules-laboratory/src/main/java/com/zd/laboratory/service/impl/LabRiskPlanServiceImpl.java

@@ -659,7 +659,7 @@ public class LabRiskPlanServiceImpl extends ServiceImpl<LabRiskPlanMapper, LabRi
                     }
 
                 }
-                a.setFunNum(funStr.substring(1));
+                a.setFunNum(funStr != "" ? funStr.substring(1) : funStr);
             }
 
             a.setLabRiskPlanjoinsubList(labRiskPlanjoinsubMapper.selectLabRiskPlanjoinsubByPlanId(a.getId(), SecurityUtils.getUserId()));