diff --git a/application/api/controller/Nobility.php b/application/api/controller/Nobility.php
index f85040e..1fddfa8 100644
--- a/application/api/controller/Nobility.php
+++ b/application/api/controller/Nobility.php
@@ -30,9 +30,16 @@ class Nobility extends BaseCom
 
     //爵位购买价格
     public function get_nobility_price(){
-        $id = input('id');
+        $id = input('id', 0);
         $uid = $this->uid;
         $reslut = model('Nobility')->buyNobilityPrice($uid,$id);
         return  V($reslut['code'],$reslut['msg'], $reslut['data']);
     }
+    //爵位购买
+    public function buy_nobility(){
+        $lid = input('lid', 0);
+        $uid = input('uid', $this->uid);
+        $reslut = model('Nobility')->buyNobility($uid,$lid);
+        return  V($reslut['code'],$reslut['msg'], null);
+    }
 }
diff --git a/application/api/model/Nobility.php b/application/api/model/Nobility.php
index 2375c33..162e003 100644
--- a/application/api/model/Nobility.php
+++ b/application/api/model/Nobility.php
@@ -122,7 +122,7 @@ class Nobility extends Model
     //购买爵位
     public function buyNobility($user_id,$lid){
         $nobility_info = db::name('vs_nobility')
-            ->field('lid,name,pay_price,pay_coin')
+            ->field('lid,name,pay_price,pay_coin,day')
             ->where('delete_time', 0)
             ->where('lid', $lid)
             ->find();