语言表 title 增加长度 及索引

Model/models.py

@@ -471,8 +471,8 @@ class Pay_Type(models.Model):
 # 套餐语言表
 class Lang(models.Model):
     id = models.AutoField(primary_key=True, verbose_name='自增ID')
-    lang = models.CharField(default='', max_length=20, verbose_name='语言/国家')
-    title = models.CharField(blank=True, max_length=32, verbose_name='标题')
+    lang = models.CharField(default='', max_length=20, db_index=True, verbose_name='语言/国家')
+    title = models.CharField(blank=True, max_length=320, verbose_name='标题')
     content = models.TextField(blank=True, null=True, verbose_name='描述')
     discount_content = models.CharField(blank=True, max_length=320, verbose_name=u'优惠信息描述')