diff --git a/app/Services/AssetSummaryService.php b/app/Services/AssetSummaryService.php
index db7523c..43e853a 100644
--- a/app/Services/AssetSummaryService.php
+++ b/app/Services/AssetSummaryService.php
@@ -35,7 +35,7 @@ class AssetSummaryService
             ->where('owner_type', $ownerType)
             ->get();
 
-        $mainWallet = $userWallets->first(fn (Wallet $w) => $w->product_id === null);
+        $mainWallet = $this->resolveMainWallet($userWallets);
         $metalIds = $this->catalogMetalIds($catalog);
         $weightUnit = Controller::tradeWeightUnit();
         $hasCountBased = $this->catalogHasCountBased($catalog);
@@ -52,7 +52,7 @@ class AssetSummaryService
             $this->buildInventoryCards($userWallets, $catalogById, $mainWalletProductIds)
         );
         $metalTotals = $this->buildMetalTotals($userWallets, $mainWallet, $metalIds, $weightUnit, $catalogById, $metalsWithProductWallet, $mainWalletProductIds);
-        $cashWallet = (float) ($mainWallet->cash ?? 0);
+        $cashWallet = (float) ($mainWallet?->cash ?? 0);
         $assetsRialValue = $this->sumAssetsRialValue(
             $metalTotals,
             $userWallets,
@@ -112,7 +112,7 @@ class AssetSummaryService
         array $mainWalletProductIds = []
     ): array {
         $cards = [];
-        $mainWalletGrams = Controller::weightToGrams((float) ($mainWallet->gold ?? 0));
+        $mainWalletGrams = Controller::weightToGrams((float) ($mainWallet?->gold ?? 0));
         $assignedMetalIds = [];
         $mainProductId = $this->configService->mainProductId();
 
@@ -123,7 +123,7 @@ class AssetSummaryService
                 return [];
             }
 
-            $mainWalletWeight = (float) ($mainWallet->gold ?? 0);
+            $mainWalletWeight = (float) ($mainWallet?->gold ?? 0);
             if ($mainWalletWeight <= 0) {
                 return [];
             }
@@ -186,6 +186,13 @@ class AssetSummaryService
         return $cards;
     }
 
+    private function resolveMainWallet(Collection $userWallets): ?Wallet
+    {
+        return $userWallets->first(
+            fn (Wallet $w) => $w->fund_id === null && $w->product_id === null
+        );
+    }
+
     private function catalogProduct(Product $product, Collection $catalogById): Product
     {
         return $catalogById->get((int) $product->id) ?? $product;
@@ -301,6 +308,10 @@ class AssetSummaryService
         $cards = [];
 
         foreach ($userWallets as $walletLine) {
+            if ($walletLine->fund_id !== null) {
+                continue;
+            }
+
             if ($walletLine->product_id === null || (float) $walletLine->gold <= 0) {
                 continue;
             }
@@ -349,7 +360,7 @@ class AssetSummaryService
             return [];
         }
 
-        $mainWalletGrams = Controller::weightToGrams((float) ($mainWallet->gold ?? 0));
+        $mainWalletGrams = Controller::weightToGrams((float) ($mainWallet?->gold ?? 0));
         $totals = [];
 
         // فلز نمایندهٔ کیف اصلی در حالت main_wallet_products