diff --git a/jnpf-tendering-biz/src/main/java/jnpf/service/impl/BiddingProjectSubscribeServiceImpl.java b/jnpf-tendering-biz/src/main/java/jnpf/service/impl/BiddingProjectSubscribeServiceImpl.java
index 974a1d8..ba86922 100644
--- a/jnpf-tendering-biz/src/main/java/jnpf/service/impl/BiddingProjectSubscribeServiceImpl.java
+++ b/jnpf-tendering-biz/src/main/java/jnpf/service/impl/BiddingProjectSubscribeServiceImpl.java
@@ -1655,7 +1655,7 @@ public class BiddingProjectSubscribeServiceImpl extends ServiceImpl<BiddingProje
             param.put("{{projectName}}", entity.getProjectName());
             Date bidOpeningTime = entity.getBidOpeningTime();
             if (null != bidOpeningTime){
-                entity.setExplanationObid(DateUtil.daFormat(bidOpeningTime)+entity.getExplanationObid());
+                entity.setExplanationObid(DateUtil.dateFormatByPattern(bidOpeningTime,"yyyyMMdd")+entity.getExplanationObid());
             }
             param.put("{{explanationOfBid}}", entity.getExplanationObid());
             String zb = "";