diff --git a/server/adminserver/api/v1/system/giftcode.go b/server/adminserver/api/v1/system/giftcode.go
index b5a2b9ee..31476d6e 100644
--- a/server/adminserver/api/v1/system/giftcode.go
+++ b/server/adminserver/api/v1/system/giftcode.go
@@ -233,7 +233,7 @@ func (gca *GiftCodeApi) ListType(c *gin.Context) {
 func (gca *GiftCodeApi) AddType(c *gin.Context) {
 	req := struct {
 		GameId  int32  `binding:"required" json:"gameid"`
-		Limit   int32  `binding:"required" json:"limit"`
+		Limit   *int32  `binding:"required" json:"limit"`
 		Content string `binding:"required" json:"content"`
 	}{}
 	if err := c.ShouldBindJSON(&req); err != nil {
@@ -267,7 +267,7 @@ func (gca *GiftCodeApi) AddType(c *gin.Context) {
 	p.GiftType = maxtype + 1
 	p.GameId = req.GameId
 	p.Content = req.Content
-	p.Limit = req.Limit
+	p.Limit = *req.Limit
 	if p.Limit > 1 {
 		p.Limit = 1
 	}