diff --git a/internal/dao/internal/prize.go b/internal/dao/internal/prize.go
index b5931cf..ec1fcdb 100644
--- a/internal/dao/internal/prize.go
+++ b/internal/dao/internal/prize.go
@@ -23,7 +23,6 @@ type PrizeColumns struct {
 	Id        string // 奖品ID
 	Name      string // 奖品名称
 	ImgUrl    string // 奖品图片
-	Limit     string // 奖品期限
 	Level     string // 奖品等级
 	Odds      string // 奖品抽取概率
 	CreatedAt string // 创建时间
@@ -35,7 +34,6 @@ var prizeColumns = PrizeColumns{
 	Id:        "id",
 	Name:      "name",
 	ImgUrl:    "img_url",
-	Limit:     "limit",
 	Level:     "level",
 	Odds:      "odds",
 	CreatedAt: "created_at",
diff --git a/internal/model/do/prize.go b/internal/model/do/prize.go
index 7f1f939..d72aee3 100644
--- a/internal/model/do/prize.go
+++ b/internal/model/do/prize.go
@@ -15,7 +15,6 @@ type Prize struct {
 	Id        interface{} // 奖品ID
 	Name      interface{} // 奖品名称
 	ImgUrl    interface{} // 奖品图片
-	Limit     interface{} // 奖品期限
 	Level     interface{} // 奖品等级
 	Odds      interface{} // 奖品抽取概率
 	CreatedAt *gtime.Time // 创建时间
diff --git a/internal/model/entity/prize.go b/internal/model/entity/prize.go
index 1871a09..919b41e 100644
--- a/internal/model/entity/prize.go
+++ b/internal/model/entity/prize.go
@@ -13,7 +13,6 @@ type Prize struct {
 	Id        uint        `json:"id"        orm:"id"         description:"奖品ID"`   // 奖品ID
 	Name      string      `json:"name"      orm:"name"       description:"奖品名称"`   // 奖品名称
 	ImgUrl    string      `json:"imgUrl"    orm:"img_url"    description:"奖品图片"`   // 奖品图片
-	Limit     string      `json:"limit"     orm:"limit"      description:"奖品期限"`   // 奖品期限
 	Level     int         `json:"level"     orm:"level"      description:"奖品等级"`   // 奖品等级
 	Odds      float64     `json:"odds"      orm:"odds"       description:"奖品抽取概率"` // 奖品抽取概率
 	CreatedAt *gtime.Time `json:"createdAt" orm:"created_at" description:"创建时间"`   // 创建时间