设备域名表ip增加索引

Model/models.py

@@ -2446,7 +2446,7 @@ class P2PIpModel(models.Model):
 
 class DeviceDomainModel(models.Model):
     id = models.AutoField(primary_key=True, verbose_name=u'自增标记ID')
-    ip = models.CharField(default='', max_length=32, verbose_name='ip')
+    ip = models.CharField(default='', db_index=True, max_length=32, verbose_name='ip')
     country_name = models.CharField(max_length=20, default='', verbose_name='国家名')
     api = models.CharField(max_length=50, default='', verbose_name='使用的域名')
     add_time = models.DateTimeField(blank=True, auto_now_add=True, verbose_name=u'添加时间')