diff --git a/ymt_v3_generate/types.go b/ymt_v3_generate/types.go
new file mode 100644
index 0000000..ea18fda
--- /dev/null
+++ b/ymt_v3_generate/types.go
@@ -0,0 +1,86 @@
+package ymt_v3_generate
+
+// KeyOrderRequest 获取券码请求
+type KeyOrderRequest struct {
+	OutBizNo   string `json:"out_biz_no"`
+	ActivityNo string `json:"activity_no"`
+	Account    string `json:"account,omitempty"`
+	NotifyURL  string `json:"notify_url,omitempty"`
+}
+
+// KeyOrderResponse 获取券码响应
+type KeyOrderResponse struct {
+	OutBizNo        string  `json:"out_biz_no"`
+	TradeNo         string  `json:"trade_no"`
+	Key             string  `json:"key,omitempty"`
+	URL             string  `json:"url,omitempty"`
+	ValidBeginTime  string  `json:"valid_begin_time,omitempty"`
+	ValidEndTime    string  `json:"valid_end_time,omitempty"`
+	UsableNum       uint32  `json:"usable_num"`
+	UsageNum        uint32  `json:"usage_num"`
+	Status          uint32  `json:"status"`
+	SettlementPrice float64 `json:"settlement_price,omitempty"`
+	Account         string  `json:"account,omitempty"`
+}
+
+// KeyQueryRequest 券码查询请求
+type KeyQueryRequest struct {
+	OutBizNo string `json:"out_biz_no,omitempty"`
+	TradeNo  string `json:"trade_no,omitempty"`
+}
+
+// KeyQueryResponse 券码查询响应（与 KeyOrderResponse 一致）
+type KeyQueryResponse = KeyOrderResponse
+
+// KeyDiscardRequest 券码作废请求
+type KeyDiscardRequest struct {
+	OutBizNo string `json:"out_biz_no,omitempty"`
+	TradeNo  string `json:"trade_no,omitempty"`
+}
+
+// KeyDiscardResponse 券码作废响应
+type KeyDiscardResponse struct {
+	OutBizNo string `json:"out_biz_no"`
+	TradeNo  string `json:"trade_no"`
+	Status   uint32 `json:"status"`
+}
+
+// BatchOrderRequest 批量发卡请求
+type BatchOrderRequest struct {
+	OutBizNo   string `json:"out_biz_no"`
+	ActivityNo string `json:"activity_no"`
+	Number     int32  `json:"number"`
+	NotifyURL  string `json:"notify_url,omitempty"`
+}
+
+// BatchOrderResponse 批量发卡响应
+type BatchOrderResponse struct {
+	OutBizNo string `json:"out_biz_no"`
+	TradeNo  string `json:"trade_no"`
+	Status   string `json:"status"`
+}
+
+// BatchQueryRequest 批量查询请求
+type BatchQueryRequest struct {
+	OutBizNo string `json:"out_biz_no,omitempty"`
+	TradeNo  string `json:"trade_no,omitempty"`
+}
+
+// BatchQueryResponse 批量查询响应
+type BatchQueryResponse struct {
+	OutBizNo     string `json:"out_biz_no"`
+	TradeNo      string `json:"trade_no"`
+	Status       string `json:"status"`
+	DownloadURL  string `json:"download_url,omitempty"`
+	ZipPassword  string `json:"zip_password,omitempty"`
+}
+
+// ApiResponse 公共响应结构
+type ApiResponse struct {
+	Code    int    `json:"code"`
+	Message string `json:"message"`
+	Reason  string `json:"reason,omitempty"`
+	Data    struct {
+		Ciphertext string `json:"ciphertext"`
+	} `json:"data"`
+}
\ No newline at end of file