Fix: Refactor Organization CRUD {id} to {code}

app/models/unit-position.ts

@@ -2,7 +2,7 @@ import { type Base, genBase } from './_base'
 import type { Employee } from './employee'
 
 export interface UnitPosition extends Base {
-  unit_id: number
+  unit_id: string
   code: string
   name: string
   headStatus?: boolean
@@ -14,7 +14,7 @@ export interface UnitPosition extends Base {
 export function genUnitPosition(): UnitPosition {
   return {
     ...genBase(),
-    unit_id: 0,
+    unit_id: '',
     code: '',
     name: '',
     headStatus: false,