fix: 修复扭蛋道具扣除逻辑

modules/player/controller/robot/egg.go

@@ -48,7 +48,11 @@ func init() {
 			}
 
 			havs := itemService.CheakItem(400501)
-			if havs < int64(count) {
+			if havs <= int64(count) {
+				ctx.Send("扭蛋币不足，当前扭蛋币数量：" + gconv.String(havs))
+				return
+			}
+			if err := itemService.UPDATE(400501, -count); err != nil {
 				ctx.Send("扭蛋币不足，当前扭蛋币数量：" + gconv.String(havs))
 				return
 			}
@@ -140,8 +144,6 @@ func init() {
 				buf.WriteString("恭喜你获得 " + xmlres.ItemsMAP[int(item.ItemId)].Name + ":" + gconv.String(item.ItemCnt) + "\n")
 			}
 
-			itemService.UPDATE(400501, -count)
-
 			ctx.SendChain(message.At(ctx.Event.Sender.ID), message.Reply(ctx.Event.MessageID), message.Text(buf.String()))
 		})
 }