diff --git a/contracts/FeralfileArtworkV4.sol b/contracts/FeralfileArtworkV4.sol
index be58f1f..6517c39 100644
--- a/contracts/FeralfileArtworkV4.sol
+++ b/contracts/FeralfileArtworkV4.sol
@@ -429,6 +429,7 @@ contract FeralfileExhibitionV4 is
         }
 
         uint256 distributedRevenue;
+        uint256 platformRevenue;
         for (uint256 i = 0; i < saleData_.tokenIds.length; i++) {
             // send NFT
             _safeTransfer(
@@ -449,6 +450,7 @@ contract FeralfileExhibitionV4 is
                     if (
                         saleData_.revenueShares[i][j].recipient == costReceiver
                     ) {
+                        platformRevenue += rev;
                         continue;
                     }
                     distributedRevenue += rev;
@@ -462,7 +464,8 @@ contract FeralfileExhibitionV4 is
         }
 
         require(
-            saleData_.price - saleData_.cost >= distributedRevenue,
+            saleData_.price - saleData_.cost >=
+                distributedRevenue + platformRevenue,
             "FeralfileExhibitionV4: total bps over 10,000"
         );
 
diff --git a/test/feralfile_exhibition_v4.js b/test/feralfile_exhibition_v4.js
index c4e2645..9b37293 100644
--- a/test/feralfile_exhibition_v4.js
+++ b/test/feralfile_exhibition_v4.js
@@ -616,23 +616,23 @@ contract("FeralfileExhibitionV4_0", async (accounts) => {
                     [
                         [
                             [accounts[3], 8001],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                         [
                             [accounts[3], 8001],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                         [
                             [accounts[3], 9000],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                         [
                             [accounts[3], 9000],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                         [
                             [accounts[3], 8500],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                     ],
                     false,
@@ -662,23 +662,23 @@ contract("FeralfileExhibitionV4_0", async (accounts) => {
                     [
                         [
                             [accounts[3], 8001],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                         [
                             [accounts[3], 8001],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                         [
                             [accounts[3], 9000],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                         [
                             [accounts[3], 9000],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                         [
                             [accounts[3], 8500],
-                            [accounts[4], 2000],
+                            [COST_RECEIVER, 2000],
                         ],
                     ],
                     false,