diff --git a/helpers/contracts-helpers.ts b/helpers/contracts-helpers.ts
index 1e9e26c9..c31693a0 100644
--- a/helpers/contracts-helpers.ts
+++ b/helpers/contracts-helpers.ts
@@ -1309,6 +1309,8 @@ export const linkLibraries = (
           if (addr === undefined) {
             continue;
           }
+          console.log("****linkLibraries*****libName:", libName);
+          console.log("****linkLibraries*****addr:", addr);
 
           for (const fixup of fixups) {
             bytecode =
diff --git a/helpers/hardhat-constants.ts b/helpers/hardhat-constants.ts
index b6a1fb2b..ef66a0b0 100644
--- a/helpers/hardhat-constants.ts
+++ b/helpers/hardhat-constants.ts
@@ -497,3 +497,6 @@ export const XTOKEN_TYPE_UPGRADE_WHITELIST =
   process.env.XTOKEN_TYPE_UPGRADE_WHITELIST?.trim()
     .split(/\s?,\s?/)
     .map((x) => +x);
+export const XTOKEN_SYMBOL_UPGRADE_WHITELIST =
+    process.env.XTOKEN_SYMBOL_UPGRADE_WHITELIST?.trim()
+        .split(/\s?,\s?/);
diff --git a/scripts/upgrade/ntoken.ts b/scripts/upgrade/ntoken.ts
index 1f1cb2e3..ba3ca36f 100644
--- a/scripts/upgrade/ntoken.ts
+++ b/scripts/upgrade/ntoken.ts
@@ -24,6 +24,7 @@ import dotenv from "dotenv";
 import {
   DRY_RUN,
   GLOBAL_OVERRIDES,
+  XTOKEN_SYMBOL_UPGRADE_WHITELIST,
   XTOKEN_TYPE_UPGRADE_WHITELIST,
 } from "../../helpers/hardhat-constants";
 import {dryRunEncodedData} from "../../helpers/contracts-helpers";
@@ -75,6 +76,12 @@ export const upgradeNToken = async (verify = false) => {
       continue;
     }
 
+    if (XTOKEN_SYMBOL_UPGRADE_WHITELIST && !XTOKEN_SYMBOL_UPGRADE_WHITELIST.includes(symbol)) {
+      console.log(symbol + "not in XTOKEN_SYMBOL_UPGRADE_WHITELIST, skip...");
+      continue;
+    }
+
+
     if (xTokenType == XTokenType.NTokenBAYC) {
       if (!nTokenBAYCImplementationAddress) {
         console.log("deploy NTokenBAYC implementation");