Cost units can be edited

app/RelationModels/CostUnitTreasures.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\RelationModels;
+
+use App\Scopes\CommonModel;
+
+class CostUnitTreasures extends CommonModel
+{
+    protected $table = 'cost_unit_treasurers';
+    protected $fillable = ['cost_unit_id', 'user_id'];
+}