diff --git a/src/models/products.ts b/src/models/products.ts
index 4963c1e..20db82f 100644
--- a/src/models/products.ts
+++ b/src/models/products.ts
@@ -41,6 +41,7 @@ export interface  Product {
     similar?:Product[]
     inventory:number
     app_price?: boolean | number | null
+    colleague_price?: boolean | number | null
     tv_price?: number | null
     tv_sell_price?: number | null
     direct_price?: number | null
diff --git a/src/utils/productCategories.ts b/src/utils/productCategories.ts
index 7493860..2d931a1 100644
--- a/src/utils/productCategories.ts
+++ b/src/utils/productCategories.ts
@@ -51,12 +51,23 @@ export function resolveMeltedPriceSource(product?: {
   return 'app'
 }
 
+/** قیمت از همکار: قیمت هر عدد، نه هر گرم */
+export function isColleaguePriceProduct(product?: {
+  colleague_price?: boolean | number | null
+} | null) {
+  if (!product) {
+    return false
+  }
+  return product.colleague_price === true || Number(product.colleague_price) === 1
+}
+
 /** محصول با پرچم صریح «قیمت اپ» */
 export function isAppPriceProduct(product?: {
   app_price?: boolean | number | null
   reading_method?: string | null
+  colleague_price?: boolean | number | null
 } | null) {
-  if (!product || product.reading_method) {
+  if (!product || product.reading_method || isColleaguePriceProduct(product)) {
     return false
   }
   return product.app_price === true || Number(product.app_price) === 1
diff --git a/src/utils/productPrice.ts b/src/utils/productPrice.ts
index be8b348..210ab2b 100644
--- a/src/utils/productPrice.ts
+++ b/src/utils/productPrice.ts
@@ -3,6 +3,7 @@ import { getTradeBuyPrice, getTradeSellPrice, lastPrice } from '@/utils/price'
 import { resolveProductCashFeeBuyRial, resolveProductCashFeeSellRial } from '@/utils/productCashFee'
 import {
   isAppPriceProduct,
+  isColleaguePriceProduct,
   isMeltedProductUsingAppPrice,
   isMeltedTradeGroup,
   isMetalCommodityGroup,
@@ -31,7 +32,7 @@ function hasProductUnitWeight(product?: Product | null) {
 }
 
 function productPriceAmountFactor(product?: Product | null) {
-  if (!product || product.reading_method) {
+  if (!product || product.reading_method || isColleaguePriceProduct(product)) {
     return 1
   }
   if (isAppPriceProduct(product)) {
@@ -137,6 +138,10 @@ export function getProductBuyPrice(product?: Product | null): number {
   const fee = resolveProductCashFeeBuyRial(product, base)
   const withFee = base + fee
 
+  if (isColleaguePriceProduct(product)) {
+    return withFee
+  }
+
   if (isAppPriceProduct(product)) {
     return withFee * productPriceAmountFactor(product)
   }
@@ -194,6 +199,10 @@ export function getProductBaseSellPrice(product?: Product | null): number {
     return Number(product.sellPrice ?? product.price ?? 0)
   }
 
+  if (isColleaguePriceProduct(product)) {
+    return Number(product.sellPrice ?? product.price ?? 0)
+  }
+
   const serverSell = Number(product.sellPrice ?? 0)
   if (serverSell > 0) {
     return serverSell
@@ -213,6 +222,10 @@ export function getProductSellPrice(product?: Product | null): number {
     return 0
   }
 
+  if (isColleaguePriceProduct(product)) {
+    return base - resolveProductCashFeeSellRial(product, base)
+  }
+
   if (isAppPriceProduct(product)) {
     const withFee = base - resolveProductCashFeeSellRial(product, base)
     return withFee * productPriceAmountFactor(product)
diff --git a/src/views/base/products/components/DealProduct.vue b/src/views/base/products/components/DealProduct.vue
index 03f53b8..a66c7ff 100644
--- a/src/views/base/products/components/DealProduct.vue
+++ b/src/views/base/products/components/DealProduct.vue
@@ -276,6 +276,7 @@ import { useWalletAssets } from '@/composables/useWalletAssets'
 import { useCartStore } from '@/store/cartStore'
 import { getStoreClosedMessage, isStoreClosed } from '@/utils/storeHours'
 import { isProductTradingHoursOpen, productHoursClosedMessage } from '@/utils/productTradeOpen'
+import { loadServiceFeeFromSettings, serviceFeePercentage } from '@/utils/serviceFee'
 
 const typeDeal: SelectItem[] = [
   {
@@ -313,8 +314,14 @@ interface Prop {
 
 const props = withDefaults(defineProps<Prop>(), {})
 const isBuy = ref<boolean>(true)
-const buyFee = computed(() => ((props?.ProductItem?.amount * (props?.ProductItem?.percent_fee_buy ?? 0) * (props?.ProductItem?.price ?? 0)).toFixed(0)))
-const sellFee = computed(() => ((props?.ProductItem?.amount * (props?.ProductItem?.percent_fee_sell ?? 0) * (props?.ProductItem?.sellPrice ?? 0)).toFixed(0)))
+
+/** کارمزد از fee_service_charge_percentage نسبت به قیمت واحد × تعداد — نه وزن گرم */
+function countDealFeeRial(unitPrice?: number | null, count = Number(form.value?.goldValue ?? 0)) {
+  return count * Number(unitPrice ?? 0) * Number(serviceFeePercentage.value)
+}
+
+const buyFee = computed(() => countDealFeeRial(props?.ProductItem?.price).toFixed(0))
+const sellFee = computed(() => countDealFeeRial(props?.ProductItem?.sellPrice).toFixed(0))
 const sellFeeGeram = computed(() => {
   if (form.value.goldVazn)
     return (form.value.goldVazn * props.ProductItem?.percent_fee_sell).toFixed(3)
@@ -344,8 +351,10 @@ const sellPagination = ref<TableEngineInput>({
 })
 
 const finalPrice = computed(() => (form.value?.goldValue * (isBuy.value ? props.ProductItem?.price ?? 0 : props.ProductItem?.sellPrice ?? 0)))
-// const payablePrice = computed(() => finalPrice.value + finalPrice.value * 0.007)
-const payablePrice = computed(() => finalPrice.value)
+const payablePrice = computed(() => {
+  const fee = countDealFeeRial(isBuy.value ? props.ProductItem?.price : props.ProductItem?.sellPrice)
+  return isBuy.value ? finalPrice.value + fee : Math.max(0, finalPrice.value - fee)
+})
 
 const disableTransaction = computed(() => {
   if (isStoreClosed() || !isProductTradingHoursOpen(props.ProductItem)) {
@@ -466,6 +475,7 @@ async function initSellTable() {
 // }
 
 onMounted(async () => {
+  await loadServiceFeeFromSettings()
   switch (router.currentRoute.value.query.state) {
     case 'sell':
       isBuy.value = false
@@ -570,7 +580,10 @@ function calculateCash(val: number) {
 console.log(val,props?.ProductItem?.price,props?.ProductItem?.cash_fee_buy,lastPrice.value?.buy)
     if (isBuy.value) {
       if (val){
-        form.value.goldCash = parseFloat(val * (( props?.ProductItem?.price) + (props?.ProductItem?.cash_fee_buy))).toFixed(0)
+        const base = Number(props?.ProductItem?.price ?? 0)
+        const goods = val * (base + Number(props?.ProductItem?.cash_fee_buy ?? 0))
+        const fee = countDealFeeRial(base, val)
+        form.value.goldCash = parseFloat(String(goods + fee)).toFixed(0)
       }
       else {
         form.value.goldCash = 0
@@ -578,8 +591,12 @@ console.log(val,props?.ProductItem?.price,props?.ProductItem?.cash_fee_buy,lastP
       }
     }
     else {
-      if (val)
-        form.value.goldCash = parseFloat((val * props?.ProductItem?.price) + (props?.ProductItem?.cash_fee_sell)).toFixed(0)
+      if (val) {
+        const base = Number(props?.ProductItem?.price ?? 0)
+        const goods = val * base + Number(props?.ProductItem?.cash_fee_sell ?? 0)
+        const fee = countDealFeeRial(base, val)
+        form.value.goldCash = parseFloat(String(Math.max(0, goods - fee))).toFixed(0)
+      }
       else{
         form.value.goldCash = 0
         form.value.goldVazn = 0