diff --git a/backend/apps/authentication/models.py b/backend/apps/authentication/models.py
index a829c02..176f364 100644
--- a/backend/apps/authentication/models.py
+++ b/backend/apps/authentication/models.py
@@ -19,6 +19,7 @@ class User(AbstractUser):
         verbose_name = '用户'
         verbose_name_plural = '用户'
         db_table = 'auth_user'
+        ordering = ['id']
 
     def __str__(self):
         return f"{self.username} ({self.get_role_display()})"
diff --git a/backend/apps/dictionary/models.py b/backend/apps/dictionary/models.py
index c079d9a..01b4266 100644
--- a/backend/apps/dictionary/models.py
+++ b/backend/apps/dictionary/models.py
@@ -15,6 +15,7 @@ class Dictionary(models.Model):
         verbose_name_plural = '数据字典'
         db_table = 'dictionary'
         unique_together = ('type', 'value')
+        ordering = ['id']
 
     def __str__(self):
         return f"{self.type} - {self.name}"
diff --git a/backend/apps/factory/migrations/0002_make_dealer_name_optional.py b/backend/apps/factory/migrations/0002_make_dealer_name_optional.py
new file mode 100644
index 0000000..362518f
--- /dev/null
+++ b/backend/apps/factory/migrations/0002_make_dealer_name_optional.py
@@ -0,0 +1,22 @@
+# Generated by Django 4.2.7 on 2026-03-13 01:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('factory', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='factory',
+            options={'ordering': ['id'], 'verbose_name': '工厂', 'verbose_name_plural': '工厂'},
+        ),
+        migrations.AlterField(
+            model_name='factory',
+            name='dealer_name',
+            field=models.CharField(blank=True, max_length=255, null=True, verbose_name='经销商名称'),
+        ),
+    ]
diff --git a/backend/apps/factory/models.py b/backend/apps/factory/models.py
index 9d3a3a6..180bd41 100644
--- a/backend/apps/factory/models.py
+++ b/backend/apps/factory/models.py
@@ -4,7 +4,7 @@ class Factory(models.Model):
     """
     工厂模型
     """
-    dealer_name = models.CharField(max_length=255, verbose_name='经销商名称')
+    dealer_name = models.CharField(max_length=255, blank=True, null=True, verbose_name='经销商名称')
     product_category = models.CharField(max_length=255, blank=True, null=True, verbose_name='产品分类')
     factory_name = models.CharField(max_length=255, verbose_name='生产工厂全称')
     factory_short_name = models.CharField(max_length=100, verbose_name='工厂简称')
@@ -20,6 +20,7 @@ class Factory(models.Model):
         verbose_name = '工厂'
         verbose_name_plural = '工厂'
         db_table = 'factory'
+        ordering = ['id']
 
     def __str__(self):
         return self.factory_name
diff --git a/backend/apps/factory/serializers.py b/backend/apps/factory/serializers.py
index 9bf55e3..0052a70 100644
--- a/backend/apps/factory/serializers.py
+++ b/backend/apps/factory/serializers.py
@@ -28,4 +28,4 @@ class FactoryListSerializer(serializers.ModelSerializer):
     """
     class Meta:
         model = Factory
-        fields = ['id', 'factory_name', 'factory_short_name', 'province', 'city']
+        fields = ['id', 'factory_name', 'factory_short_name', 'province', 'city', 'dealer_name']
diff --git a/backend/apps/material/models.py b/backend/apps/material/models.py
index 2deb703..f76683b 100644
--- a/backend/apps/material/models.py
+++ b/backend/apps/material/models.py
@@ -73,6 +73,7 @@ class Material(models.Model):
         verbose_name = '材料'
         verbose_name_plural = '材料'
         db_table = 'material'
+        ordering = ['id']
 
     def __str__(self):
         return self.name
@@ -91,6 +92,7 @@ class MaterialCategory(models.Model):
         verbose_name = '材料分类'
         verbose_name_plural = '材料分类'
         db_table = 'material_category'
+        ordering = ['id']
 
     def __str__(self):
         return self.name
@@ -110,6 +112,7 @@ class MaterialSubcategory(models.Model):
         verbose_name = '材料子分类'
         verbose_name_plural = '材料子分类'
         db_table = 'material_subcategory'
+        ordering = ['id']
 
     def __str__(self):
         return self.name
diff --git a/backend/apps/material/views.py b/backend/apps/material/views.py
index 34304b1..37f2d91 100644
--- a/backend/apps/material/views.py
+++ b/backend/apps/material/views.py
@@ -202,7 +202,7 @@ class MaterialCategoryViewSet(ModelViewSet):
     """
     材料分类视图集
     """
-    queryset = MaterialCategory.objects.all().order_by('id')
+    queryset = MaterialCategory.objects.all()
     serializer_class = MaterialCategorySerializer
     permission_classes = [IsAuthenticated]
 
@@ -226,7 +226,7 @@ class MaterialSubcategoryViewSet(ModelViewSet):
     """
     材料子分类视图集
     """
-    queryset = MaterialSubcategory.objects.select_related('category').all().order_by('id')
+    queryset = MaterialSubcategory.objects.select_related('category').all()
     serializer_class = MaterialSubcategorySerializer
     permission_classes = [IsAuthenticated]
 
diff --git a/frontend/src/views/FactoryManage.vue b/frontend/src/views/FactoryManage.vue
index abecbde..a4bab00 100644
--- a/frontend/src/views/FactoryManage.vue
+++ b/frontend/src/views/FactoryManage.vue
@@ -1,4 +1,4 @@
-<template>
+<template>
   <div class="page">
     <div class="page-title">工厂管理</div>
     <div class="toolbar">
@@ -38,7 +38,7 @@
 
     <el-dialog v-model="dialogVisible" :title="dialogTitle" width="640px" class="dialog-scroll">
       <el-form :model="form" label-width="100px">
-        <el-form-item label="经销商" required>
+        <el-form-item label="经销商">
           <el-input v-model="form.dealer_name" />
         </el-form-item>
         <el-form-item label="产品分类">