diff --git a/companies/migrations/0002_company_company_type_company_created_at_and_more.py b/companies/migrations/0002_company_company_type_company_created_at_and_more.py
new file mode 100644
index 0000000..7a538ed
--- /dev/null
+++ b/companies/migrations/0002_company_company_type_company_created_at_and_more.py
@@ -0,0 +1,48 @@
+# Generated by Django 5.2 on 2025-05-24 08:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('companies', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='company',
+            name='company_type',
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='企业类型:私企民营:国企外企等'),
+        ),
+        migrations.AddField(
+            model_name='company',
+            name='created_at',
+            field=models.DateTimeField(auto_now_add=True, null=True, verbose_name='入库时间'),
+        ),
+        migrations.AddField(
+            model_name='company',
+            name='founded_date',
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='创办时间'),
+        ),
+        migrations.AddField(
+            model_name='company',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True, null=True, verbose_name='更新时间'),
+        ),
+        migrations.AlterField(
+            model_name='company',
+            name='benefits',
+            field=models.TextField(blank=True, null=True, verbose_name='企业福利'),
+        ),
+        migrations.AlterField(
+            model_name='company',
+            name='category',
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='公司类别:这家企业是干啥的'),
+        ),
+        migrations.AlterField(
+            model_name='company',
+            name='size',
+            field=models.CharField(blank=True, max_length=50, null=True, verbose_name='公司规模'),
+        ),
+    ]
diff --git a/companies/models.py b/companies/models.py
index 2b13022..2888610 100644
--- a/companies/models.py
+++ b/companies/models.py
@@ -4,17 +4,21 @@ from websites.models import Website
 
 class Company(models.Model):
     name = models.CharField(max_length=200, verbose_name="企业名称")
-    category = models.CharField(max_length=100, verbose_name="公司类别")
-    size = models.CharField(max_length=50, verbose_name="公司规模")
+    category = models.CharField(max_length=100, verbose_name="公司类别:这家企业是干啥的", null=True, blank=True)
+    size = models.CharField(max_length=50, verbose_name="公司规模", null=True, blank=True)
     introduction = models.TextField(verbose_name="企业介绍")
     address = models.CharField(max_length=300, verbose_name="企业地址")
-    benefits = models.TextField(blank=True, verbose_name="企业福利")
+    benefits = models.TextField(blank=True, verbose_name="企业福利", null=True)
     website = models.ForeignKey(
         Website,
         on_delete=models.CASCADE,
         related_name="companies",
         verbose_name="隶属网站"
     )
+    company_type = models.CharField(max_length=100, verbose_name="企业类型:私企民营:国企外企等", null=True, blank=True)
+    founded_date = models.CharField(max_length=100, verbose_name="创办时间", null=True, blank=True)
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="入库时间", null=True)
+    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间", null=True)
 
     def __str__(self):
         return self.name