diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpOaServiceImpl.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpOaServiceImpl.java
index 04821c252..b921798e7 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpOaServiceImpl.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpOaServiceImpl.java
@@ -49,7 +49,7 @@ public class WxCpOaServiceImpl implements WxCpOaService {
     long endTimestamp = endTime.getTime() / 1000L;
     long startTimestamp = startTime.getTime() / 1000L;
 
-    if (endTimestamp - startTimestamp < 0 || endTimestamp - startTimestamp >= MONTH_SECONDS * 1000L) {
+    if (endTimestamp - startTimestamp < 0 || endTimestamp - startTimestamp >= MONTH_SECONDS) {
       throw new WxRuntimeException("获取记录时间跨度不超过一个月");
     }