diff --git a/src/main/java/com/softeng/dingtalk/service/PaperService.java b/src/main/java/com/softeng/dingtalk/service/PaperService.java
index 780dfc00..a71d3063 100644
--- a/src/main/java/com/softeng/dingtalk/service/PaperService.java
+++ b/src/main/java/com/softeng/dingtalk/service/PaperService.java
@@ -287,7 +287,7 @@ public void calculateInternalPaperAc(InternalPaper internalPaper) {
                     calculateAc(internalPaper, sum, paperDetail.getNum()),
                     internalPaper.getReason(),
                     AcRecord.PAPER,
-                    internalPaper.getUpdateDate().atTime(8, 0)
+                    LocalDate.now().atTime(8, 0)
             ));
         });