[Update] 优化授权协议, 支持vnc (#2220)

* [Update] 优化授权协议, 支持vnc

apps/assets/migrations/0024_auto_20181219_1614.py

@@ -0,0 +1,23 @@
+# Generated by Django 2.1.4 on 2018-12-19 08:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('assets', '0023_auto_20181016_1650'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='asset',
+            name='protocol',
+            field=models.CharField(choices=[('ssh', 'ssh'), ('rdp', 'rdp'), ('telnet', 'telnet (beta)'), ('vnc', 'vnc')], default='ssh', max_length=128, verbose_name='Protocol'),
+        ),
+        migrations.AlterField(
+            model_name='systemuser',
+            name='protocol',
+            field=models.CharField(choices=[('ssh', 'ssh'), ('rdp', 'rdp'), ('telnet', 'telnet (beta)'), ('vnc', 'vnc')], default='ssh', max_length=16, verbose_name='Protocol'),
+        ),
+    ]