diff --git a/@knowleadge/dbchange/17112025.txt b/@knowleadge/dbchange/17112025.txt
index 6a9a57a..72d8390 100644
--- a/@knowleadge/dbchange/17112025.txt
+++ b/@knowleadge/dbchange/17112025.txt
@@ -13,10 +13,6 @@ CREATE TABLE IF NOT EXISTS dbo.prjmst
 )
 
 
--- Table: dbo.prjmst
-
--- DROP TABLE IF EXISTS dbo.prjmst;
-
 CREATE TABLE IF NOT EXISTS dbo.trnmst
 (
     trnseq integer NOT NULL,  -- เลขที่รายการ หรือ เลข บิล
@@ -33,3 +29,29 @@ TABLESPACE pg_default;
 
 ALTER TABLE IF EXISTS dbo.trnmst
     OWNER to postgres;
+
+
+
+
+CREATE OR REPLACE FUNCTION dbo.translatebdg(
+    p_bdgcod text
+)
+RETURNS text
+LANGUAGE plpgsql
+AS $BODY$
+DECLARE
+    resultName TEXT;
+BEGIN
+    SELECT bdgnam
+    INTO resultName
+    FROM dbo.bdgmst
+    WHERE bdgcod = p_bdgcod
+    LIMIT 1;
+
+    RETURN resultName;
+END;
+$BODY$;
+
+ALTER FUNCTION dbo.translatebdg(text)
+    OWNER TO postgres;
+
diff --git a/exthernal-accountingwep-api/src/interfaces/table/actmstInterface.js b/exthernal-accountingwep-api/src/interfaces/table/actmstInterface.js
new file mode 100644
index 0000000..d3ed1bf
--- /dev/null
+++ b/exthernal-accountingwep-api/src/interfaces/table/actmstInterface.js
@@ -0,0 +1,86 @@
+import { GeneralService } from '../../share/generalservice.js'
+
+export class ActmstInterface {
+
+  constructor() {
+    this.general = new GeneralService()
+    this.table = 'actmst'
+    this.pk = ['actseq', 'actnum']   // ⭐ PK ตาม CREATE TABLE
+  }
+
+  async saveInterface(database, data) {
+    const method = data.methods.toLowerCase()
+    const { methods, ...payload } = data
+
+    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)
+  }
+}