diff --git a/exthernal-ttc-api/src/controllers/budgetAddController.js b/exthernal-ttc-api/src/controllers/budgetAddController.js
index 3d740c0..dda67da 100644
--- a/exthernal-ttc-api/src/controllers/budgetAddController.js
+++ b/exthernal-ttc-api/src/controllers/budgetAddController.js
@@ -1,4 +1,4 @@
-import { AccountingSearchService } from '../services/accountingSearchService.js'
+import { BudgetAddService } from '../services/budgetAddService.js'
 import { sendError } from '../utils/response.js'
 // import { OftenError } from '../utils/oftenError.js'
 import { GeneralService } from '../share/generalservice.js';
@@ -7,36 +7,33 @@ import { verifyToken, generateToken } from '../utils/token.js'
 import { Interface } from '../interfaces/Interface.js';
 
 
-export class accountingSearch {
+export class budgetAdd {
 
   constructor() {
     this.generalService = new GeneralService();
     this.Interface = new Interface();
-    this.accountingSearchService = new AccountingSearchService();
+    this.budgetAddService = new BudgetAddService();
   }
 
   async onNavigate(req, res) {
-    this.generalService.devhint(1, 'accountingSearch.js', 'onNavigate() start');
+    this.generalService.devhint(1, 'budgetAdd.js', 'onNavigate() start');
     let organization = req.body.organization;
-    const prommis = await this.onAccountingSearch(req, res, organization);
+    const prommis = await this.onBudgetAdd(req, res, organization);
     return prommis;
   }
 
-  async onAccountingSearch(req, res, database) {
+  async onBudgetAdd(req, res, database) {
     let idx = -1
     let aryResult = []
     try {
-      // let username = req.body.request.username;
-      // let password = req.body.request.password;
       let token = req.body.request.token;
       const decoded = verifyToken(token);
 
-      let id = decoded.id
-      let username = decoded.name
+      let id = decoded.bdgseq
       database = decoded.organization
 
-       aryResult = await this.accountingSearchService.getAccountingSearch(database, id, username); // เช็คกับ db กลาง ส่ง jwttoken ออกมา
-    //   this.generalService.devhint(1, 'accountingSearch.js', 'Login success');
+       aryResult = await this.budgetAddService.getBudgetAdd(database, id); // เช็คกับ db กลาง ส่ง jwttoken ออกมา
+    //   this.generalService.devhint(1, 'budgetSearch.js', 'Login success');
     } catch (error) {
       idx = 1;
     } finally { 
@@ -54,8 +51,8 @@ export class accountingSearch {
     let arysave = {
       methods: 'post',
       bdgseq: req.body.request.bdgseq,
-      bdgttl: req.body.request.bdgseq
+      bdgttl: req.body.request.bdgttl
     }
-   return  this.Interface.saveInterface('bdgmst', arysave);
+   return this.Interface.saveInterface('bdgmst', req, arysave);
   }
 }
diff --git a/exthernal-ttc-api/src/controllers/projectSearchService.js b/exthernal-ttc-api/src/controllers/projectSearchService.js
new file mode 100644
index 0000000..e69de29
diff --git a/exthernal-ttc-api/src/interfaces/Interface.js b/exthernal-ttc-api/src/interfaces/Interface.js
new file mode 100644
index 0000000..21238b6
--- /dev/null
+++ b/exthernal-ttc-api/src/interfaces/Interface.js
@@ -0,0 +1,51 @@
+import jwt from 'jsonwebtoken'
+import { BdgmstInterface } from './table/bdgmstInterface.js'
+// import { ActmstInterface } from './actmstInterface.js'
+
+export class Interface {
+
+  constructor() {
+    this.map = {
+      bdgmst: new BdgmstInterface(),
+    //   actmst: new ActmstInterface(),
+    }
+  }
+
+  // ===============================================================
+  // 📌 saveInterface → แกะ token เอง และ route ไปยัง interface เฉพาะ table
+  // ===============================================================
+  async saveInterface(tableName, req, data) {
+
+    // ------------------------------
+    // ✔ 1) จับ Interface ที่ตรงกับ table
+    // ------------------------------
+    const handler = this.map[tableName.toLowerCase()]
+    if (!handler) {
+      throw new Error(`Interface not found for table: ${tableName}`)
+    }
+
+    // ------------------------------
+    // ✔ 2) แกะ token → ดึง organization → schema
+    // ------------------------------
+    const token = req.headers.authorization?.split(' ')[1]
+    if (!token) {
+      throw new Error('Missing token in request header')
+    }
+
+    let decoded
+    try {
+      decoded = jwt.verify(token, process.env.JWT_SECRET)
+    } catch (err) {
+      throw new Error('Invalid token: ' + err.message)
+    }
+
+    const schema = decoded.organization    // ⭐ ได้ schema ที่ต้องการ
+    if (!schema) throw new Error("Token missing 'organization' field")
+
+    // ------------------------------
+    // ✔ 3) ส่งงานไปยัง interface ของ table นั้น ๆ
+    // ------------------------------
+    return await handler.saveInterface(schema, data)
+  }
+
+}
diff --git a/exthernal-ttc-api/src/interfaces/table/bdgmstInterface.js b/exthernal-ttc-api/src/interfaces/table/bdgmstInterface.js
new file mode 100644
index 0000000..c1abb87
--- /dev/null
+++ b/exthernal-ttc-api/src/interfaces/table/bdgmstInterface.js
@@ -0,0 +1,86 @@
+import { GeneralService } from '../../share/generalservice.js'
+
+export class BdgmstInterface {
+
+  constructor() {
+    this.general = new GeneralService()
+    this.table = 'bdgmst'
+    this.pk = ['bdgseq']
+  }
+
+  async saveInterface(database, data) {
+    const method = data.method.toLowerCase()
+    const payload = { ...data }
+    delete payload.method
+
+    if (method === 'put') return this.update(database, payload)
+    if (method === 'post') return this.insert(database, payload)
+    if (method === 'delete') return this.remove(database, payload)
+
+    throw new Error(`Unknown method: ${method}`)
+  }
+
+  async insert(database, payload) {
+    const cols = Object.keys(payload)
+    const vals = Object.values(payload)
+    const placeholders = cols.map((_, i) => `$${i + 1}`).join(', ')
+
+    const sql = `
+      INSERT INTO ${database}.${this.table} (${cols.join(', ')})
+      VALUES (${placeholders})
+      RETURNING *
+    `
+    return await this.general.executeQueryParam(database, sql, vals)
+  }
+
+  async update(database, payload) {
+    const where = {}
+    const update = {}
+
+    for (const col in payload) {
+      if (this.pk.includes(col)) where[col] = payload[col]
+      else update[col] = payload[col]
+    }
+
+    const setCols = Object.keys(update)
+      .map((col, i) => `${col} = $${i + 1}`)
+      .join(', ')
+
+    const whereCols = Object.keys(where)
+      .map((col, i) => `${col} = $${i + 1 + Object.keys(update).length}`)
+      .join(' AND ')
+
+    const params = [...Object.values(update), ...Object.values(where)]
+
+    const sql = `
+      UPDATE ${database}.${this.table}
+      SET ${setCols}
+      WHERE ${whereCols}
+      RETURNING *
+    `
+
+    return await this.general.executeQueryParam(database, sql, params)
+  }
+
+  async remove(database, payload) {
+    const where = {}
+    this.pk.forEach(pk => {
+      if (!payload[pk]) throw new Error(`Missing PK: ${pk}`)
+      where[pk] = payload[pk]
+    })
+
+    const whereCols = Object.keys(where)
+      .map((col, i) => `${col} = $${i + 1}`)
+      .join(' AND ')
+
+    const params = Object.values(where)
+
+    const sql = `
+      DELETE FROM ${database}.${this.table}
+      WHERE ${whereCols}
+      RETURNING *
+    `
+
+    return await this.general.executeQueryParam(database, sql, params)
+  }
+}
diff --git a/exthernal-ttc-api/src/routes/route.js b/exthernal-ttc-api/src/routes/route.js
index 5ea01e4..76b32d4 100644
--- a/exthernal-ttc-api/src/routes/route.js
+++ b/exthernal-ttc-api/src/routes/route.js
@@ -1,23 +1,26 @@
 import express from 'express'
+// import { budgetSetup } from '../controllers/budgetSetupController.js'
 import { budgetSearch } from '../controllers/budgetSearchController.js'
+import { budgetAdd } from '../controllers/budgetAddController.js'
 
 // import { authMiddleware } from '../middlewares/auth.js'
 // import { sendResponse } from '../utils/response.js'
 
 const router = express.Router()
 const controller_budgetSearch_get = new budgetSearch()
+const controller_budgetAdd_put = new budgetAdd()
 
-router.post('/budgetSetup', async (req, res) => {
-  const result = await controller_budgetSetup_post.onNavigate(req, res)
-  if (result) return res.json(result)
-})
-
-// router.put('/budgetadd', async (req, res) => {
+// router.post('/budgetSetup', async (req, res) => {
 //   const result = await controller_budgetSetup_post.onNavigate(req, res)
 //   if (result) return res.json(result)
 // })
 
-router.get('/budgetsearch', async (req, res) => {
+router.post('/budgetadd', async (req, res) => {
+  const result = await controller_budgetAdd_put.onNavigate(req, res)
+  if (result) return res.json(result)
+})
+
+router.post('/budgetsearch', async (req, res) => {
   const result = await controller_budgetSearch_get.onNavigate(req, res)
   if (result) return res.json(result)
 })
diff --git a/exthernal-ttc-api/src/services/budgetAddService.js b/exthernal-ttc-api/src/services/budgetAddService.js
new file mode 100644
index 0000000..6ffbdd4
--- /dev/null
+++ b/exthernal-ttc-api/src/services/budgetAddService.js
@@ -0,0 +1,21 @@
+import { GeneralService } from '../share/generalservice.js'
+
+export class BudgetAddService {
+
+  constructor() {
+    this.generalService = new GeneralService()
+  }
+
+  async getBudgetAdd(database, id) {
+    const sql = `
+      SELECT 
+        bdgseq,
+        bdgttl
+      FROM ${database}.bdgmst
+      WHERE bdgseq = $1
+      `
+    const params = [id]
+    const result = await this.generalService.executeQueryParam(database, sql, params);
+    return result
+  }
+}
\ No newline at end of file
diff --git a/exthernal-ttc-api/src/services/projectSearchService.js b/exthernal-ttc-api/src/services/projectSearchService.js
new file mode 100644
index 0000000..e69de29