fix: 修改异常文案

shuili-system/src/main/java/com/kms/yxgh/df/service/DfAnimalRecordService.java

@@ -82,7 +82,7 @@ public class DfAnimalRecordService extends BaseService<DfAnimalRecordMapper, DfA
 
                 return dto;
             } else {
-                throw new DfException("该计划已经存在维护记录");
+                throw new DfException("请选择防治计划！");
             }
 
         }