绑定学生之后更改用户昵称

@@ -39,11 +39,12 @@ class Bind extends Api
         if (empty($unique)) {
         if (empty($unique)) {
             $this->error('参数错误', ['status' => 2]);
             $this->error('参数错误', ['status' => 2]);
         }
         }
-        $res = \db('study')->where(['unique'=>$unique,'user_id'=>$user['id']])->find();
-        if (!empty($res)){
+        $res = \db('study')->where(['unique'=>$unique])->find();
+        if (!empty($res['user_id'])){
             $this->error('当前学生已经被绑定了');
             $this->error('当前学生已经被绑定了');
         }
         }
         $users = db('user')->where('id', $user['id'])->find();
         $users = db('user')->where('id', $user['id'])->find();
+        //halt($users);
         if ($users['bind_study'] == 1) {
         if ($users['bind_study'] == 1) {
             $this->error('您当前已经绑定过学生了,请勿重复操作');
             $this->error('您当前已经绑定过学生了,请勿重复操作');
         }
         }
@@ -55,7 +56,7 @@ class Bind extends Api
                     'user_id' => $user['id'],
                     'user_id' => $user['id'],
                     'updatetime' => time()
                     'updatetime' => time()
                 ]);
                 ]);
-            if ($users['is_tech'] == 0){
+            if ($users['is_teach'] == 0){
                 $update['nickname'] = $res['name']."家长";
                 $update['nickname'] = $res['name']."家长";
             }
             }
             $update = [
             $update = [
@@ -91,8 +92,8 @@ class Bind extends Api
         if (empty($unique)) {
         if (empty($unique)) {
             $this->error('参数错误', ['status' => 2]);
             $this->error('参数错误', ['status' => 2]);
         }
         }
-        $res = \db('study')->where(['unique'=>$unique,'user_id'=>$user['id']])->find();
-        if (!empty($res)){
+        $res = \db('study')->where(['unique'=>$unique])->find();
+        if (!empty($res['user_id'])){
             $this->error('当前学生已经被绑定了');
             $this->error('当前学生已经被绑定了');
         }
         }
         $users = db('user')->where('id', $user['id'])->find();
         $users = db('user')->where('id', $user['id'])->find();
@@ -107,7 +108,7 @@ class Bind extends Api
                     'user_id' => $user['id'],
                     'user_id' => $user['id'],
                     'updatetime' => time()
                     'updatetime' => time()
                 ]);
                 ]);
-            if ($users['is_tech'] == 0){
+            if ($users['is_teach'] == 0){
                 $update['nickname'] = $res['name']."家长";
                 $update['nickname'] = $res['name']."家长";
             }
             }
             $update = [
             $update = [