diff --git a/package.json b/package.json
index 9eec921..a812603 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@fugle/trade",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "description": "FugleTrade API SDK for Node.js",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
@@ -34,7 +34,8 @@
   },
   "homepage": "https://github.com/fugle-dev/fugle-trade-node#readme",
   "dependencies": {
-    "@fugle/trade-core": "^2.0.0",
+    "@fugle/trade-core": "^2.1.0",
+    "@fugle/trade-core-darwin-arm64": "^2.1.0",
     "ini": "^2.0.0",
     "inquirer": "^8.2.1",
     "keytar": "^7.9.0",
diff --git a/src/client.ts b/src/client.ts
index 2b90ce5..e7956cc 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -6,7 +6,7 @@ import { PriceFlag, Market } from './enums';
 import { loadCredentials, removeCredentials } from './utils';
 import { ClientConfig } from './interfaces/client-config.interface';
 import { ParsedCertInfo, CertInfo } from './interfaces/parsed-cert-info-interface';
-import { ParsedInventories, Stock } from './interfaces/parsed-inventories.interface';
+import { ParsedInventories, renameInventoriesMemoToUserDef, Stock } from './interfaces/parsed-inventories.interface';
 import { ParsedKeyInfo, KeyInfo } from './interfaces/parsed-key-info-interface';
 import { ParsedMachineTime } from './interfaces/parsed-machine-time.interface';
 import { ParsedOrderResult } from './interfaces/parsed-order-result.interface';
@@ -14,7 +14,7 @@ import { ParsedSettlements, Settlement } from './interfaces/parsed-settlements.i
 import { ParsedBalanceStatus, BalanceStatus } from './interfaces/parsed-balance.interface';
 import { ParsedTradeStatus, TradeStatus } from './interfaces/parsed-trade-status.interface';
 import { ParsedMarketStatus, MarketStatus } from './interfaces/parsed-market-status.interface';
-import { ParsedTransactions, Trade } from './interfaces/parsed-transactions.interface';
+import { ParsedTransactions, renameTransactionsMemoToUserDef, Trade } from './interfaces/parsed-transactions.interface';
 import { ParsedPlaceOrderResponse, PlaceOrderResponse } from './interfaces/parsed-place-order-response.interface';
 import { ParsedReplaceOrderResponse, ReplaceOrderResponse } from './interfaces/parsed-replace-order-response.interface';
 import { ParsedOrderResultHistory } from './interfaces/parsed-order-result-history.interface';
@@ -68,7 +68,7 @@ export class Client {
 
   // Must login first
   async placeOrder(order: Order): Promise<PlaceOrderResponse> {
-    const response = this.sdk.order(order.toObject());
+    const response = this.sdk.order(order.toObject(), order.payload.userDef || '');
     const parsed = JSON.parse(response) as ParsedPlaceOrderResponse;
     return parsed.data;
   }
@@ -119,7 +119,7 @@ export class Client {
   async getHistoricalOrders(options: { startDate: string, endDate: string }): Promise<PlacedOrder[]> {
     const market: Market = Market.All;
     const { startDate, endDate } = options;
-    const response = this.sdk.getOrderResultHistory(market, startDate, endDate);
+    const response = this.sdk.getOrderResultHistory(startDate, endDate, market);
     const parsed = JSON.parse(response) as ParsedOrderResultHistory;
     return parsed.data.orderResultHistory.map(order => new PlacedOrder({ ...order }));
   }
@@ -136,14 +136,15 @@ export class Client {
     const response = duration
       ? this.sdk.getTransactions(duration)
       : this.sdk.getTransactionsByDate(startDate as string, endDate as string);
-    const parsed = JSON.parse(response) as ParsedTransactions;
+    // const parsed = JSON.parse(response) as ParsedTransactions;
+    const parsed = renameTransactionsMemoToUserDef(JSON.parse(response) as ParsedTransactions);
     return parsed.data.matSums;
   }
 
   // Must login first
   async getInventories(): Promise<Stock[]> {
     const response = this.sdk.getInventories();
-    const parsed = JSON.parse(response) as ParsedInventories;
+    const parsed = renameInventoriesMemoToUserDef(JSON.parse(response) as ParsedInventories);
     return parsed.data.stkSums;
   }
 
diff --git a/src/interfaces/order-payload.interface.ts b/src/interfaces/order-payload.interface.ts
index 6d7ec82..fadfe8a 100644
--- a/src/interfaces/order-payload.interface.ts
+++ b/src/interfaces/order-payload.interface.ts
@@ -9,4 +9,5 @@ export interface OrderPayload {
   priceFlag?: PriceFlag;
   bsFlag?: BsFlag;
   trade?: TradeType;
+  userDef?: string;
 }
diff --git a/src/interfaces/parsed-inventories.interface.ts b/src/interfaces/parsed-inventories.interface.ts
index ae67b1d..d510fb9 100644
--- a/src/interfaces/parsed-inventories.interface.ts
+++ b/src/interfaces/parsed-inventories.interface.ts
@@ -20,6 +20,7 @@ export interface StockDat {
   tTime: string;
   valueMkt: string;
   valueNow: string;
+  userDef: string;
 }
 
 export interface Stock {
@@ -54,3 +55,24 @@ export interface ParsedInventories {
     stkSums: Stock[];
   }
 }
+
+//helper function to map memo prop to userDef, can be remove after sdk update
+export function renameInventoriesMemoToUserDef(parsedTransactions: ParsedInventories): ParsedInventories {
+  // Helper function to rename memo to userDef in StockDat objects
+  const renameInStockDat = (stockDat: StockDat & { memo?: string }): StockDat => {
+    const { memo, ...rest } = stockDat;
+    return { ...rest, userDef: memo || "" };
+  };
+
+  // Helper function to rename memo to userDef in Stock objects
+  const renameInStkDat = (trade: Stock): Stock => {
+    const renamedStkDats = trade.stkDats.map(renameInStockDat);
+    return { ...trade, stkDats: renamedStkDats };
+  };
+
+  // Map through the stkSums array and rename memo to userDef
+  const renamedStkSums = parsedTransactions.data.stkSums.map(renameInStkDat);
+
+  // Return the updated ParsedInventories object
+  return { data: { stkSums: renamedStkSums } };
+}
diff --git a/src/interfaces/parsed-order-result-history.interface.ts b/src/interfaces/parsed-order-result-history.interface.ts
index b4b0bdf..62f63de 100644
--- a/src/interfaces/parsed-order-result-history.interface.ts
+++ b/src/interfaces/parsed-order-result-history.interface.ts
@@ -21,6 +21,7 @@ export interface OrderResultHistory {
   bsFlag: string;
   source?: string;
   market: string;
+  userDef: string;
 }
 
 export interface ParsedOrderResultHistory {
@@ -28,3 +29,18 @@ export interface ParsedOrderResultHistory {
     orderResultHistory: OrderResultHistory[];
   };
 }
+
+//helper function to map memo prop to userDef, can be remove after sdk update
+export function renameMemoToUserDef(parsedTransactions: ParsedOrderResultHistory): ParsedOrderResultHistory {
+  // Helper function to rename memo to userDef in OrderResultHistory objects
+  const renameInOrderResultHistory = (tradeDate: OrderResultHistory & { memo?: string }): OrderResultHistory => {
+    const { memo, ...rest } = tradeDate;
+    return { ...rest, userDef: memo || "" };
+  };
+
+  // Map through the orderResultHistory array and rename memo to userDef
+  const renamedOrderResultHistory = parsedTransactions.data.orderResultHistory.map(renameInOrderResultHistory);
+
+  // Return the updated ParsedOrderResultHistory object
+  return { data: { orderResultHistory: renamedOrderResultHistory } };
+}
diff --git a/src/interfaces/parsed-order-result.interface.ts b/src/interfaces/parsed-order-result.interface.ts
index 227ade7..3009aa3 100644
--- a/src/interfaces/parsed-order-result.interface.ts
+++ b/src/interfaces/parsed-order-result.interface.ts
@@ -22,6 +22,7 @@ export interface OrderResult {
   errMsg: string;
   avgPrice: string;
   bsFlag: string;
+  memo: string;
 }
 
 export interface ParsedOrderResult {
diff --git a/src/interfaces/parsed-transactions.interface.ts b/src/interfaces/parsed-transactions.interface.ts
index b4e6233..4fd98cb 100644
--- a/src/interfaces/parsed-transactions.interface.ts
+++ b/src/interfaces/parsed-transactions.interface.ts
@@ -18,6 +18,7 @@ export interface TradeDate {
   tax: string;
   taxG: string;
   trade: string;
+  userDef: string;
 }
 
 export interface Trade {
@@ -43,3 +44,24 @@ export interface ParsedTransactions {
     matSums: Trade[];
   };
 }
+
+//helper function to map memo prop to userDef, can be remove after sdk update
+export function renameTransactionsMemoToUserDef(parsedTransactions: ParsedTransactions): ParsedTransactions {
+  // Helper function to rename memo to userDef in TradeDate objects
+  const renameInTradeDate = (tradeDate: TradeDate & { memo?: string }): TradeDate => {
+    const { memo, ...rest } = tradeDate;
+    return { ...rest, userDef: memo || "" };
+  };
+
+  // Helper function to rename memo to userDef in Trade objects
+  const renameInTrade = (trade: Trade): Trade => {
+    const renamedMatDats = trade.matDats.map(renameInTradeDate);
+    return { ...trade, matDats: renamedMatDats };
+  };
+
+  // Map through the matSums array and rename memo to userDef
+  const renamedMatSums = parsedTransactions.data.matSums.map(renameInTrade);
+
+  // Return the updated ParsedTransactions object
+  return { data: { matSums: renamedMatSums } };
+}
diff --git a/src/placed-order.ts b/src/placed-order.ts
index 1cb0331..14b9014 100644
--- a/src/placed-order.ts
+++ b/src/placed-order.ts
@@ -32,7 +32,9 @@ export class PlacedOrder {
       ...(payload.stockNo && { stockNo: String(payload.stockNo) }),
       ...(payload.trade && { trade: String(payload.trade) as TradeType }),
       ...(payload.workDate && { workDate: String(payload.workDate) }),
+      ...(payload.memo && { userDef: String(payload.memo) })
     };
+    delete payload.memo;
   }
 
   get payload(): PlacedOrderPayload {
diff --git a/test/client.spec.ts b/test/client.spec.ts
index d97a241..31854e7 100644
--- a/test/client.spec.ts
+++ b/test/client.spec.ts
@@ -262,16 +262,28 @@ describe('Client', () => {
       const response = await client.getTransactions({ duration: '3d' });
       const data = readFileSync('./test/fixtures/response-transactions.txt').toString();
       const parsed = JSON.parse(data);
-      expect(response).toEqual(parsed.data.matSums);
+      const actual = renameMemoToUserDef(parsed);
+      expect(response).toEqual(actual.data.matSums);
     });
 
+    function renameMemoToUserDef(data: { data: { matSums: any[]; }; }) {
+      data.data.matSums.forEach(trade => {
+        trade.matDats.forEach((tradeDate: { userDef: any; memo: any; }) => {
+          tradeDate.userDef = tradeDate.memo;
+          delete tradeDate.memo;
+        });
+      });
+      return data;
+    }
+
     it('should get parsed transactions by startDate and endDate options', async () => {
       const client = new Client(config);
       await client.login();
       const response = await client.getTransactions({ startDate: '2023-01-01', endDate: '2023-02-28' });
       const data = readFileSync('./test/fixtures/response-transactions.txt').toString();
       const parsed = JSON.parse(data);
-      expect(response).toEqual(parsed.data.matSums);
+      const actual = renameMemoToUserDef(parsed);
+      expect(response).toEqual(actual.data.matSums);
     });
   });
 
@@ -282,6 +294,12 @@ describe('Client', () => {
       const response = await client.getInventories();
       const data = readFileSync('./test/fixtures/response-inventories.txt').toString();
       const parsed = JSON.parse(data);
+      parsed.data.stkSums.forEach((stk: { stkDats: any[]; }) => {
+        stk.stkDats.forEach((dat: { userDef: any; memo: any; }) => {
+          dat.userDef = dat.memo;
+          delete dat.memo;
+        });
+      });
       expect(response).toEqual(parsed.data.stkSums);
     });
   });
diff --git a/test/fixtures/response-inventories.txt b/test/fixtures/response-inventories.txt
index 688592e..268467c 100644
--- a/test/fixtures/response-inventories.txt
+++ b/test/fixtures/response-inventories.txt
@@ -24,7 +24,8 @@
             "valueNow": "3148",
             "makeA": "725",
             "makeAPer": "30.21",
-            "priceEvn": "25.78"
+            "priceEvn": "25.78",
+            "memo": ""
           },
           {
             "tDate": "20200807",
@@ -47,7 +48,8 @@
             "valueNow": "4387",
             "makeA": "762",
             "makeAPer": "21.16",
-            "priceEvn": "27.67"
+            "priceEvn": "27.67",
+            "memo": ""
           },
           {
             "tDate": "20210113",
@@ -70,7 +72,8 @@
             "valueNow": "8405",
             "makeA": "1176",
             "makeAPer": "16.33",
-            "priceEvn": "28.80"
+            "priceEvn": "28.80",
+            "memo": ""
           },
           {
             "tDate": "20211022",
@@ -93,7 +96,8 @@
             "valueNow": "10884",
             "makeA": "55",
             "makeAPer": "0.51",
-            "priceEvn": "33.33"
+            "priceEvn": "33.33",
+            "memo": ""
           },
           {
             "tDate": "20220207",
@@ -116,7 +120,8 @@
             "valueNow": "3784",
             "makeA": "161",
             "makeAPer": "4.47",
-            "priceEvn": "32.07"
+            "priceEvn": "32.07",
+            "memo": ""
           }
         ],
         "stkNo": "0056",
diff --git a/test/fixtures/response-order-history-from-sdk.txt b/test/fixtures/response-order-history-from-sdk.txt
index 1a8ca83..d875cfc 100644
--- a/test/fixtures/response-order-history-from-sdk.txt
+++ b/test/fixtures/response-order-history-from-sdk.txt
@@ -20,7 +20,8 @@
                 "celQtyShare": "0",
                 "celable": "1",
                 "avgPrice": "0",
-                "bsFlag": "R"
+                "bsFlag": "R",
+                "memo": ""
             }
         ]
     }
diff --git a/test/fixtures/response-orders-from-sdk.txt b/test/fixtures/response-orders-from-sdk.txt
index 928def4..4998075 100644
--- a/test/fixtures/response-orders-from-sdk.txt
+++ b/test/fixtures/response-orders-from-sdk.txt
@@ -24,7 +24,8 @@
         "errCode": "00000000",
         "errMsg": "",
         "avgPrice": "0",
-        "bsFlag": "R"
+        "bsFlag": "R",
+        "memo": ""
       },
       {
         "workDate": "20220222",
@@ -50,7 +51,8 @@
         "errCode": "00000000",
         "errMsg": "",
         "avgPrice": "0.0",
-        "bsFlag": "R"
+        "bsFlag": "R",
+        "memo": ""
       }
     ]
   }
diff --git a/test/fixtures/response-transactions.txt b/test/fixtures/response-transactions.txt
index 80e647a..106c38a 100644
--- a/test/fixtures/response-transactions.txt
+++ b/test/fixtures/response-transactions.txt
@@ -22,7 +22,8 @@
             "payN": "-30042",
             "make": "0",
             "makePer": "0.00",
-            "cDate": "20220222"
+            "cDate": "20220222",
+            "memo": ""
           }
         ],
         "tDate": "20220222",
diff --git a/yarn.lock b/yarn.lock
index fe78a93..5d7e706 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -516,47 +516,47 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
-"@fugle/trade-core-darwin-arm64@2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@fugle/trade-core-darwin-arm64/-/trade-core-darwin-arm64-2.0.0.tgz#05ad2014bd69927a08b7d77e0f99a112ef41ccfb"
-  integrity sha512-vIt8+ZBtliRPcwen0ntDdFvzmrncLM3l3rivO5Oxvh2NoT+8jd+Rwg+13b/NkvU5vWgthc2OsmVBk1tNuEBFTA==
+"@fugle/trade-core-darwin-arm64@2.1.0", "@fugle/trade-core-darwin-arm64@^2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@fugle/trade-core-darwin-arm64/-/trade-core-darwin-arm64-2.1.0.tgz#f36479b5d82de7682b9498f7d1dd10beee299cf6"
+  integrity sha512-/9NLSmXCKy/tYt5jpPwLK5Gb+Tnqm2hX6GBOxKR0kQcrozpE1L0AAUk7gRvDNdZlbgPshcKEdxCtWrkSzTHRvA==
 
-"@fugle/trade-core-darwin-x64@2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@fugle/trade-core-darwin-x64/-/trade-core-darwin-x64-2.0.0.tgz#f198e1f8e17120686342d2019a87c9814256a878"
-  integrity sha512-v2eSnLfWXsR/P92wkpneDT/syGM1g3w1faGwZVnQDCgVQwHtMnt+94Dv0Nh64l0+Zv8YBgdxs6cR38vI2d+ivQ==
+"@fugle/trade-core-darwin-x64@2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@fugle/trade-core-darwin-x64/-/trade-core-darwin-x64-2.1.0.tgz#bb63bc22db2bfe67e6dd80b3a8bf0dbb9d18986f"
+  integrity sha512-tGXfo1BZ3sVQKmYBNbDn3JyYiq4VPUqVvxlwLfY7BaDccNVTOS46tThod6umf7S0xBZcn0s40024UiqVMLp7mw==
 
-"@fugle/trade-core-linux-arm64-gnu@2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@fugle/trade-core-linux-arm64-gnu/-/trade-core-linux-arm64-gnu-2.0.0.tgz#7dd0110599b94e2d53a0002c557298850cc63233"
-  integrity sha512-VLfn+2S+0Wd4yB4CIREkdVf/mQvMhS2RJDm1q1GzV3B3X/QmSEHsgKbWvqgp8OhqxSn6g0AfB2QYwrzu7FVjCQ==
+"@fugle/trade-core-linux-arm64-gnu@2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@fugle/trade-core-linux-arm64-gnu/-/trade-core-linux-arm64-gnu-2.1.0.tgz#bb63b01bee485b83e00b6ca848a6953be798f3b7"
+  integrity sha512-V9UbsMjMYPhLWYJPljv3gcwPXPiEzeIzn0XQHl5tnyDK4In2v3kXLZDCpIDd0afUZalg2aF00A/g56FmVXvmGg==
 
-"@fugle/trade-core-linux-x64-gnu@2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@fugle/trade-core-linux-x64-gnu/-/trade-core-linux-x64-gnu-2.0.0.tgz#ab3df665c09ff3211be6b32e59e9f48cacc86f2c"
-  integrity sha512-DN6JPxJwaiNSUO4hQZ03lkPWUWsFispzprleYX1OPSKUSXXQUszG96itP6C5VVGl67fRw7H4tNloxGtwEoMxBg==
+"@fugle/trade-core-linux-x64-gnu@2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@fugle/trade-core-linux-x64-gnu/-/trade-core-linux-x64-gnu-2.1.0.tgz#a5adc39dc7fd5295f65f4bcda84cfde6b3918324"
+  integrity sha512-4L5t0TIGc4aZYOWvn/PZmUfjKH6CUftsPtW8EKgR0glLxbXfKCWp5QT2kUBknsE1Lo+r37YEeS3ou6uMmKijCA==
 
-"@fugle/trade-core-linux-x64-musl@2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@fugle/trade-core-linux-x64-musl/-/trade-core-linux-x64-musl-2.0.0.tgz#c3d58d8ad8afcc558059f1f77b288639c8e4f243"
-  integrity sha512-JUAZFGCfkn0mAfbgEuLyqJYBrMTcDVSpBMRGmQ7c82vuBI2dxfXEtm7mptSHXz0L7QL7RPi5QoQUsYaCfi9gjA==
+"@fugle/trade-core-linux-x64-musl@2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@fugle/trade-core-linux-x64-musl/-/trade-core-linux-x64-musl-2.1.0.tgz#4a3e3e85960fc2807b4be7db297c6febcd1212f9"
+  integrity sha512-o9ILGuP4UOnUq4yOCMeA/s3QspOpNI7Qh6PKcafFuDKg6rSTUWaJnyt716Foe1DCIjp2dB1RrSzG6zZsHare9Q==
 
-"@fugle/trade-core-win32-x64-msvc@2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@fugle/trade-core-win32-x64-msvc/-/trade-core-win32-x64-msvc-2.0.0.tgz#68aa024d54c51fcd955cc922ad324aafd94dc3c5"
-  integrity sha512-l+pPvksB5tKG1ca68W1GEZHrAM8mU8oJne1p76O72xo6VBpWpKO5CvRC58k8QNTorwUR/etpUzOveGjml2PAFg==
+"@fugle/trade-core-win32-x64-msvc@2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@fugle/trade-core-win32-x64-msvc/-/trade-core-win32-x64-msvc-2.1.0.tgz#2d50a97558861094a926c0c639b17ae0d6e0a7bc"
+  integrity sha512-yGVIGOJ/TsOW3KOKhhqtNZurDhyKiViiQZ2uVTG24oXERIIFd+6X/yT2YI4elinphum1HY0wybzGz7phSO5cQQ==
 
-"@fugle/trade-core@^2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@fugle/trade-core/-/trade-core-2.0.0.tgz#8cde7e593365d1877710b4e383c8140a449a81a0"
-  integrity sha512-AzpYdPREOXKAo3mWdH3wfh9xLiC4EJY8AfilckDAfR0I1nK1e2efQazAJnRdBq5/yop1HuvGhZAmScZ+lwbJ+w==
+"@fugle/trade-core@^2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@fugle/trade-core/-/trade-core-2.1.0.tgz#b22ee535ef0a204ffb71835ed2716316153ac193"
+  integrity sha512-DnhwfQ+OxHlF3KsrcvlYz/LYH6sIA6qV73Fo0gZ6mPUoXaMxCGfy7XZnI3fMLeT1/OZMNXgsKdDjcpc2n4nGSg==
   optionalDependencies:
-    "@fugle/trade-core-darwin-arm64" "2.0.0"
-    "@fugle/trade-core-darwin-x64" "2.0.0"
-    "@fugle/trade-core-linux-arm64-gnu" "2.0.0"
-    "@fugle/trade-core-linux-x64-gnu" "2.0.0"
-    "@fugle/trade-core-linux-x64-musl" "2.0.0"
-    "@fugle/trade-core-win32-x64-msvc" "2.0.0"
+    "@fugle/trade-core-darwin-arm64" "2.1.0"
+    "@fugle/trade-core-darwin-x64" "2.1.0"
+    "@fugle/trade-core-linux-arm64-gnu" "2.1.0"
+    "@fugle/trade-core-linux-x64-gnu" "2.1.0"
+    "@fugle/trade-core-linux-x64-musl" "2.1.0"
+    "@fugle/trade-core-win32-x64-msvc" "2.1.0"
 
 "@humanwhocodes/config-array@^0.5.0":
   version "0.5.0"