diff --git a/esua-epdc/epdc-module/epdc-heart/epdc-heart-server/src/main/java/com/elink/esua/epdc/modules/activity/service/impl/ActUserClockLogServiceImpl.java b/esua-epdc/epdc-module/epdc-heart/epdc-heart-server/src/main/java/com/elink/esua/epdc/modules/activity/service/impl/ActUserClockLogServiceImpl.java
index 60eccac5d..2195d0f56 100644
--- a/esua-epdc/epdc-module/epdc-heart/epdc-heart-server/src/main/java/com/elink/esua/epdc/modules/activity/service/impl/ActUserClockLogServiceImpl.java
+++ b/esua-epdc/epdc-module/epdc-heart/epdc-heart-server/src/main/java/com/elink/esua/epdc/modules/activity/service/impl/ActUserClockLogServiceImpl.java
@@ -338,7 +338,7 @@ public class ActUserClockLogServiceImpl extends BaseServiceImpl<ActUserClockLogD
             try {
                 // 计算爱心时长（单位：小时，保留两位小数）
                 DecimalFormat df = new DecimalFormat("0.00");
-                String kindnessTime = df.format((float) actInfoDTO.getActEndTime().getTime() / actInfoDTO.getActStartTime().getTime());
+                String kindnessTime = df.format((float) actInfoDTO.getActEndTime().getTime() - actInfoDTO.getActStartTime().getTime());
 
                 EpdcVolunteerKindnessTimeFormDTO formDto = new EpdcVolunteerKindnessTimeFormDTO();
                 BigDecimal b = new BigDecimal(kindnessTime);