diff --git a/service/modules/v1/controllers/PrescripDetailController.php b/service/modules/v1/controllers/PrescripDetailController.php
index ce5662f..cc7a74d 100644
--- a/service/modules/v1/controllers/PrescripDetailController.php
+++ b/service/modules/v1/controllers/PrescripDetailController.php
@@ -52,32 +52,32 @@ class PrescripDetailController extends BaseAppController
             }
         }]);
 
-        if($post['prescription_no']){
+        if($post['prescription_no']?? false){
             $query->andWhere(['p.prescription_no'=> $post['prescription_no']]);
         }
-        if($post['status'] ){
+        if($post['status']?? false ){
             $query->andWhere(['p.status'=> $post['status']]);
         }elseif($post['status']==='0'){
             $query->andWhere(['p.status'=> $post['status']]);
         }else{
             $query->andWhere(['p.status'=> [0,1,2]]);
         }
-        if($post['type']){
+        if($post['type']?? false){
             $query->andWhere(['p.type'=>$post['type']]);
         }
-        if($post['prescription_type']){
+        if($post['prescription_type']?? false){
             $query->andWhere(['p.prescription_type'=>$post['prescription_type']]);
         }
 
-        if($post['start_time']&&!$post['end_time']){
+        if($post['start_time']?? false&&!$post['end_time']?? false){
             $query->andWhere(['>=','p.created_at',strtotime($post['start_time'])]);
         }
 
-        if(!$post['start_time']&&$post['end_time']){
+        if(!$post['start_time']?? false&&$post['end_time']?? false){
             $query->andWhere(['<=','p.created_at',strtotime($post['end_time'])]);
         }
 
-        if($post['start_time']&&$post['end_time']){
+        if($post['start_time']?? false&&$post['end_time']?? false){
             $query->andWhere(['between','p.created_at',strtotime($post['start_time']),strtotime($post['end_time'])]);
         }