Fala Gurizada blz acabamos encontrando um erro onde o shield e outras armas entravam em armas que necessariamente seriam slots de 2 mãos uma falha simples e um fix tranquilo para vocês

Procure por ItemManager.cpp em gs

Wouldn't it be better to do it this way, brother?

   //============================================================
   // 修复：右手为 弓/弩 时，左手只能装备 箭矢/弩箭/箭袋，不允许盾牌等
   //============================================================
   if (slot == 1 && lpObj->Inventory[0].IsItem() != 0)
   {
      int rightKind2 = lpObj->Inventory[0].Kind2;

      // 右手是弓：左手必须是箭矢或箭袋
      if (rightKind2 == ItemKind2::BOW)
      {
         if (lpItem->Kind2 != ItemKind2::ARROW && lpItem->Kind2 != ItemKind2::QUIVER)
         {
            gNotice.GCNoticeSend(lpObj->Index, 1, 0, 0, 0, 2, 0, "装备弓时左手只能装备箭矢或箭袋");
            return false;
         }
      }

      // 右手是弩：左手必须是弩箭或箭袋
      if (rightKind2 == ItemKind2::CROSSBOW)
      {
         if (lpItem->Kind2 != ItemKind2::BOLT && lpItem->Kind2 != ItemKind2::QUIVER)
         {
            gNotice.GCNoticeSend(lpObj->Index, 1, 0, 0, 0, 2, 0, "装备弩时左手只能装备弩箭或箭袋");
            return false;
         }
      }
   }

Wouldn't it be better to do it this way, brother?

   //============================================================
   // 修复：右手为 弓/弩 时，左手只能装备 箭矢/弩箭/箭袋，不允许盾牌等
   //============================================================
   if (slot == 1 && lpObj->Inventory[0].IsItem() != 0)
   {
      int rightKind2 = lpObj->Inventory[0].Kind2;

      // 右手是弓：左手必须是箭矢或箭袋
      if (rightKind2 == ItemKind2::BOW)
      {
         if (lpItem->Kind2 != ItemKind2::ARROW && lpItem->Kind2 != ItemKind2::QUIVER)
         {
            gNotice.GCNoticeSend(lpObj->Index, 1, 0, 0, 0, 2, 0, "装备弓时左手只能装备箭矢或箭袋");
            return false;
         }
      }

      // 右手是弩：左手必须是弩箭或箭袋
      if (rightKind2 == ItemKind2::CROSSBOW)
      {
         if (lpItem->Kind2 != ItemKind2::BOLT && lpItem->Kind2 != ItemKind2::QUIVER)
         {
            gNotice.GCNoticeSend(lpObj->Index, 1, 0, 0, 0, 2, 0, "装备弩时左手只能装备弩箭或箭袋");
            return false;
         }
      }
   }

creio que os 2 formatos fazem sentido