diff --git a/modules/items/api_decompose.go b/modules/items/api_decompose.go
new file mode 100644
index 000000000..37d71d452
--- /dev/null
+++ b/modules/items/api_decompose.go
@@ -0,0 +1,78 @@
+package items
+
+import (
+	"go_dreamfactory/comm"
+	"go_dreamfactory/pb"
+	cfg "go_dreamfactory/sys/configure/structs"
+
+	"google.golang.org/protobuf/proto"
+)
+
+//参数校验
+func (this *apiComp) SellItemCheck(session comm.IUserSession, req *pb.ItemsSellItemReq) (code pb.ErrorCode) {
+	if req.GridId == "" || req.Amount <= 0 {
+		code = pb.ErrorCode_ReqParameterError
+	}
+	return
+}
+
+//出售道具
+func (this *apiComp) SellItem(session comm.IUserSession, req *pb.ItemsSellItemReq) (code pb.ErrorCode, data proto.Message) {
+	var (
+		err    error
+		item   *pb.DB_UserItemData
+		itemcf *cfg.GameItemData
+		sale   []*cfg.Gameatn
+	)
+	if code = this.SellItemCheck(session, req); code != pb.ErrorCode_Success {
+		return
+	}
+	if item, err = this.module.modelItems.QueryUserPackByGridId(session.GetUserId(), req.GridId); err != nil {
+		code = pb.ErrorCode_ReqParameterError
+		return
+	}
+	if itemcf, err = this.module.configure.GetItemConfigure(item.ItemId); err != nil {
+		code = pb.ErrorCode_ConfigurationException
+		return
+	}
+	if itemcf.Sale == nil || len(itemcf.Sale) == 0 {
+		code = pb.ErrorCode_ItemsUseNoCanSell
+		return
+	}
+	if itemcf.DecomposeDeplete == nil || len(itemcf.DecomposeDeplete) == 0 {
+		code = pb.ErrorCode_ItemsUseNoCanSell
+		return
+	}
+	sale = make([]*cfg.Gameatn, 0, len(itemcf.DecomposeDeplete))
+	for _, v := range itemcf.DecomposeDeplete {
+		sale = append(sale, &cfg.Gameatn{
+			A: v.A,
+			T: v.T,
+			N: v.N * int32(req.Amount),
+		})
+	}
+	if code = this.module.ConsumeRes(session, sale, true); code != pb.ErrorCode_Success {
+		return
+	}
+
+	if req.Amount > item.Amount {
+		code = pb.ErrorCode_ReqParameterError
+		this.module.Errorf("SellItemCheck over all amount:[%d:%d]", req.Amount, item.Amount)
+		return
+	}
+	sale = make([]*cfg.Gameatn, len(itemcf.Sale))
+	for i, v := range itemcf.Sale {
+		temp := *v
+		sale[i] = &temp
+		sale[i].N = v.N * int32(req.Amount)
+	}
+	if code = this.module.DispenseRes(session, sale, true); code != pb.ErrorCode_Success {
+		return
+	}
+	item.Amount = item.Amount - req.Amount
+	if code = this.module.AddItemforGrid(session, req.GridId, -1*int32(req.Amount), true); code != pb.ErrorCode_Success {
+		return
+	}
+	session.SendMsg(string(this.module.GetType()), "sellitem", &pb.ItemsSellItemResp{GridId: req.GridId, Amount: req.Amount, Issucc: true})
+	return
+}
diff --git a/modules/items/api_sellItem.go b/modules/items/api_sellItem.go
index 9e0705b67..57ce30d2c 100644
--- a/modules/items/api_sellItem.go
+++ b/modules/items/api_sellItem.go
@@ -9,7 +9,7 @@ import (
 )
 
 //参数校验
-func (this *apiComp) SellItemCheck(session comm.IUserSession, req *pb.ItemsSellItemReq) (code pb.ErrorCode) {
+func (this *apiComp) DecomposeCheck(session comm.IUserSession, req *pb.ItemsDecomposeReq) (code pb.ErrorCode) {
 	if req.GridId == "" || req.Amount <= 0 {
 		code = pb.ErrorCode_ReqParameterError
 	}
@@ -17,14 +17,14 @@ func (this *apiComp) SellItemCheck(session comm.IUserSession, req *pb.ItemsSellI
 }
 
 //出售道具
-func (this *apiComp) SellItem(session comm.IUserSession, req *pb.ItemsSellItemReq) (code pb.ErrorCode, data proto.Message) {
+func (this *apiComp) Decompose(session comm.IUserSession, req *pb.ItemsDecomposeReq) (code pb.ErrorCode, data proto.Message) {
 	var (
 		err    error
 		item   *pb.DB_UserItemData
 		itemcf *cfg.GameItemData
 		sale   []*cfg.Gameatn
 	)
-	if code = this.SellItemCheck(session, req); code != pb.ErrorCode_Success {
+	if code = this.DecomposeCheck(session, req); code != pb.ErrorCode_Success {
 		return
 	}
 	if item, err = this.module.modelItems.QueryUserPackByGridId(session.GetUserId(), req.GridId); err != nil {
@@ -57,17 +57,6 @@ func (this *apiComp) SellItem(session comm.IUserSession, req *pb.ItemsSellItemRe
 	if code = this.module.AddItemforGrid(session, req.GridId, -1*int32(req.Amount), true); code != pb.ErrorCode_Success {
 		return
 	}
-	// if item.Amount == 0 {
-	// 	if err = this.module.modelItems.DelUserPack(session.GetUserId(), item.GridId); err != nil {
-	// 		code = pb.ErrorCode_DBError
-	// 		return
-	// 	}
-	// } else {
-	// 	if err = this.module.modelItems.UpdateUserPack(session.GetUserId(), item); err != nil {
-	// 		code = pb.ErrorCode_DBError
-	// 		return
-	// 	}
-	// }
 	session.SendMsg(string(this.module.GetType()), "sellitem", &pb.ItemsSellItemResp{GridId: req.GridId, Amount: req.Amount, Issucc: true})
 	return
 }