diff --git a/apps/assets/migrations/0111_auto_20230321_1633.py b/apps/assets/migrations/0111_auto_20230321_1633.py
index ad7d57982..0f1ba7f14 100644
--- a/apps/assets/migrations/0111_auto_20230321_1633.py
+++ b/apps/assets/migrations/0111_auto_20230321_1633.py
@@ -8,7 +8,7 @@ def migrate_platform_charset(apps, schema_editor):
     platform_model.objects.filter(charset='utf8').update(charset='utf-8')
 
 
-def migrate_platform_protocol_required(apps, schema_editor):
+def migrate_platform_protocol_primary(apps, schema_editor):
     platform_model = apps.get_model('assets', 'Platform')
     platforms = platform_model.objects.all()
 
@@ -31,5 +31,5 @@ class Migration(migrations.Migration):
             field=models.BooleanField(default=False, verbose_name='Primary'),
         ),
         migrations.RunPython(migrate_platform_charset),
-        migrations.RunPython(migrate_platform_protocol_required),
+        migrations.RunPython(migrate_platform_protocol_primary),
     ]
diff --git a/apps/assets/serializers/platform.py b/apps/assets/serializers/platform.py
index c4b51934b..21c6a124a 100644
--- a/apps/assets/serializers/platform.py
+++ b/apps/assets/serializers/platform.py
@@ -132,6 +132,7 @@ class PlatformSerializer(WritableNestedModelSerializer):
         if not primary:
             protocols[0]['primary'] = True
             protocols[0]['default'] = False
+        # 这里不设置不行，write_nested 不使用 validated 中的
         self.initial_data['protocols'] = protocols
         return protocols
 
diff --git a/apps/ops/ansible/inventory.py b/apps/ops/ansible/inventory.py
index 6048d9472..e3954c063 100644
--- a/apps/ops/ansible/inventory.py
+++ b/apps/ops/ansible/inventory.py
@@ -100,9 +100,17 @@ class JMSInventory:
             host.update(self.make_proxy_command(gateway))
 
     def asset_to_host(self, asset, account, automation, protocols, platform):
-        if protocols:
-            protocol = protocols[0].name
-            port = protocol[0].port
+        primary_protocol = [p for p in protocols if p.primary]
+        if len(primary_protocol) >= 1:
+            primary = primary_protocol[0]
+        elif protocols:
+            primary = protocols[0]
+        else:
+            primary = None
+
+        if primary:
+            protocol = primary.name
+            port = primary.port
         else:
             protocol = 'null'
             port = 0