diff --git a/lib/zin/wg/productsbox/v1.php b/lib/zin/wg/productsbox/v1.php
index b1ae784463..6fe47340e0 100644
--- a/lib/zin/wg/productsbox/v1.php
+++ b/lib/zin/wg/productsbox/v1.php
@@ -24,6 +24,7 @@ class productsBox extends wg
         'isStage?: bool',               // 是否是阶段类型。
         'hasNewProduct?: bool=false',   // 是否有新产品。
         'errorSameProducts?: string',   // 选择同一个产品的提示。
+        'required?: bool=false'         // 是否是必填。
     );
 
     public static function getPageCSS(): string|false
@@ -95,7 +96,7 @@ class productsBox extends wg
                 on::change('[name=addProduct]', 'toggleNewProduct'),
                 set::width('1/2'),
                 setClass('linkProduct'),
-                set::required($project && in_array($project->model, array('waterfall', 'waterfallplus'))),
+                set::required($this->prop('required') || ($project && in_array($project->model, array('waterfall', 'waterfallplus')))),
                 set::label($lang->project->manageProducts),
                 set::labelFor('productBox'),
                 $hasNewProduct ? set::checkbox(array('text' => $lang->project->addProduct, 'name' => 'addProduct', 'checked' => false)) : false,
@@ -243,7 +244,7 @@ class productsBox extends wg
                 (
                     set::width($hasBranch ? '1/4' : '1/2'),
                     setClass('linkProduct'),
-                    set::required($project && in_array($project->model, array('waterfall', 'waterfallplus'))),
+                    set::required($this->prop('required') || ($project && in_array($project->model, array('waterfall', 'waterfallplus')))),
                     $i == 0 ? set::label($lang->project->manageProducts) : null,
                     inputGroup
                     (
diff --git a/module/project/ui/common.field.php b/module/project/ui/common.field.php
index f1d6303326..418d89b61a 100644
--- a/module/project/ui/common.field.php
+++ b/module/project/ui/common.field.php
@@ -63,6 +63,7 @@ $fields->field('days')->label($lang->project->days . $lang->project->daysUnit)->
 
 $fields->field('productsBox')
     ->width('full')
+    ->required(data('copyProject.parent') || data('parentProgram.id') || data('project.parent'))
     ->control(array
     (
         'control'           => 'productsBox',
diff --git a/module/project/ui/create.html.php b/module/project/ui/create.html.php
index ffb60dc21b..da645475c4 100644
--- a/module/project/ui/create.html.php
+++ b/module/project/ui/create.html.php
@@ -64,6 +64,7 @@ formGridPanel
     ),
     on::click('[name=name], [name=code], [name=end], [name=days], [data-name="parent"] .pick *', 'removeTips'),
     on::click('[type=submit]', 'removeAllTips'),
+    on::change('[name=parent]')->toggleClass('.productsBox .linkProduct .form-label', 'required', "\$(target).val() > 0"),
     on::change('[name=hasProduct]', 'changeType'),
     on::change('[name=longTime]')->do('const $endPicker = $("[name=end]").zui("datePicker"); $endPicker.render({disabled: $(target).prop("checked")}); if($(target).prop("checked")){ $endPicker.$.setValue(""); $("[name=days]").attr("disabled", "disabled");} else{ $("[name=days]").removeAttr("disabled");}'),
     on::change('[name=future]', 'toggleBudget'),