diff --git a/application/adminapi/controller/SingerSong.php b/application/adminapi/controller/SingerSong.php
index 2c9edb8..f76bf50 100644
--- a/application/adminapi/controller/SingerSong.php
+++ b/application/adminapi/controller/SingerSong.php
@@ -19,14 +19,14 @@ class SingerSong extends adminApi
         $status = input('status', '');
         $where=[];
         //搜索信息有值且是纯数字
-        if(isset($search) && is_numeric($search)){
+        if(is_numeric($search)){
             $where['ss.user_id'] = $search;
             $wheres['user_id'] = $search;
         }
-        if(isset($search) && !is_numeric($search)){
+        if($search && !is_numeric($search)){
             $where['u.nickname'] = ['like', '%'.$search.'%'];;
         }
-        if(isset($start_time) && isset($end_time)){
+        if($start_time && $end_time){
             $where['ss.createtime'] = ['between', [strtotime($start_time), strtotime($end_time)]];
             $wheres['createtime'] = ['between', [strtotime($start_time), strtotime($end_time)]];
         }
@@ -82,7 +82,7 @@ class SingerSong extends adminApi
         $page_limit = input('page_limit', 30);
         $user_id = input('user_id', '');
         $where=[];
-        if(isset($user_id)){
+        if($user_id){
             $where['user_id'] = $user_id;
         }else{
             return V(0, '请填写用户ID');
@@ -173,7 +173,7 @@ class SingerSong extends adminApi
         $room_id = input('room_id', '');
 
         $where=[];
-        if(isset($room_id)){
+        if($room_id){
             $where['room_id'] = $room_id;
         }else{
             return V(0, '请填写房间ID');