diff --git a/src/main/java/mjkf/xinke/main/service/DataService.java b/src/main/java/mjkf/xinke/main/service/DataService.java
index 7dbbbd0..d642e62 100644
--- a/src/main/java/mjkf/xinke/main/service/DataService.java
+++ b/src/main/java/mjkf/xinke/main/service/DataService.java
@@ -38,7 +38,9 @@ public abstract class DataService<M extends BaseMapper<T>, T> extends ServiceImp
             }
         }).collect(Collectors.toList());
         for (T item : list) {
-            this.saveOrUpdateByIndex(item);
+            if (item != null) {
+                this.saveOrUpdateByIndex(item);
+            }
         }
         return list;
     }
@@ -91,5 +93,6 @@ public abstract class DataService<M extends BaseMapper<T>, T> extends ServiceImp
         // todo 排序
         return result;
     }
+
     abstract public LambdaQueryWrapper<T> trendQuery(Object data, Integer year, Integer month);
 }