Node.js mssql package select query cache problem - node.js

Question

I try to retrieve data from SQL Server using npm mssql package. When I used postman to make a request, I got same data (resultset) at every time although data was changed.
My SQL Server connection config and code is here:
const sql = require('mssql');
const config = {
user: 'XXXX',
password: 'XXXX',
server: 'XXXX',
database: 'XXXX',
pool: {
max: 50,
min: 0,
idleTimeoutMillis: 10
},
options: {
trustServerCertificate: true
}
}
const getConnection = async () => {
try {
const conn = await sql.connect(config);
return {pool: conn, err: false, errorMSG: null};
} catch (err) {
return {conn: null, err: true, errorMSG: err}
}
};
And my db function :
const conn = await getConnection();
if (conn.err == false) {
try {
let result = await conn.pool.request()
.input('registryNumber', sql.NVarChar(50), registryNumber)
.input('password', sql.NVarChar(50), password)
.query('SELECT role FROM [OperatorLogin].[dbo].[TBL_users]' +
'WHERE [TBL_users].[registryNumber] = #registryNumber AND [TBL_users].[password] = #password AND [TBL_users].[isActive] = 1 ')
if (result.rowsAffected[0] >= 1) {
return { Execution: true, ExecutionCode: 1, ExecutionMessage: "Record is available", ExecutionData: result.recordset }
}
else {
return { Execution: true, ExecutionCode: 2, ExecutionMessage: "No records", ExecutionData: "" }
}
}
catch (err) {
return { Execution: false, ExecutionCode: -1, ExecutionMessage: "DB pool request error : " + err, ExecutionData: "" }
}
}
else {
return { Execution: false, ExecutionCode: -1, ExecutionMessage: " DB error : " + conn.errorMSG, ExecutionData: "" }
}
On the other hand, I use pm2 and reverse proxy on Windows server.
What may be problem ? What am I missing ?