diff --git a/server/backtask/task/spec_transfer721/hero.go b/server/backtask/task/spec_transfer721/hero.go
index 64d67bd8..49a29520 100644
--- a/server/backtask/task/spec_transfer721/hero.go
+++ b/server/backtask/task/spec_transfer721/hero.go
@@ -1,7 +1,10 @@
 package spec_transfer721
 
 import (
+	"q5"
 	"main/service"
+	"main/constant"
+	"mt"
 )
 
 type hero struct {
@@ -9,28 +12,47 @@ type hero struct {
 
 func (this* hero) onMint(dbIdx int64, netId int32, contractAddress string, tokenId string,
 	from string, to string) bool {
-	accountId := service.GetAccountIdByAddress(to)
-	if accountId == "" {
+	var itemId, heroQuality int32
+	if !service.GetHeroByTokenId(tokenId, &itemId, &heroQuality) {
 		return true
 	}
-	return true
+	ok := this.internalSendMail(to, constant.MAIL_HERO_MINT, itemId, heroQuality)
+	return ok
 }
 
 func (this* hero) onLock(dbIdx int64, netId int32, contractAddress string, tokenId string,
 	from string, to string) bool {
-	accountId := service.GetAccountIdByAddress(from)
-	if accountId == "" {
+	var itemId, heroQuality int32
+	if !service.GetHeroByTokenId(tokenId, &itemId, &heroQuality) {
 		return true
 	}
-	return true
+	ok := this.internalSendMail(from, constant.MAIL_HERO_LOCK, itemId, heroQuality)
+	return ok
 }
 
 func (this *hero) onUnlock(dbIdx int64, netId int32, contractAddress string, tokenId string,
 	from string, to string) bool {
-	accountId := service.GetAccountIdByAddress(to)
+	var itemId, heroQuality int32
+	if !service.GetHeroByTokenId(tokenId, &itemId, &heroQuality) {
+		return true
+	}
+	ok := this.internalSendMail(to, constant.MAIL_HERO_UNLOCK, itemId, heroQuality)
+	return ok
+}
+
+func (this* hero) internalSendMail(accountAddress string, mailName string, itemId int32, heroQuality int32) bool {
+	accountId := service.GetAccountIdByAddress(accountAddress)
 	if accountId == "" {
 		return true
 	}
+	mailMeta := mt.Table.Mail.GetByName(mailName)
+	if mailMeta == nil {
+		return true
+	}
+	itemMeta := mt.Table.Item.GetById(q5.ToInt64(itemId))
+	if itemMeta == nil {
+		return true
+	}
 	return true
 }