diff --git a/common/services/PrescriptionService.php b/common/services/PrescriptionService.php
index 3b17ab4..66bc5db 100644
--- a/common/services/PrescriptionService.php
+++ b/common/services/PrescriptionService.php
@@ -56,8 +56,9 @@ class PrescriptionService{
             $PharmacistIdentity= PharmacistIdentity::find()->where(['su_id'=>$prescription['pharmacist_id']])->asArray()->one();
             $prescription['doctor_sign_image']=$DoctorIdentity['sign_image'];
             $prescription['doctor_sign_type']=$DoctorIdentity['sign_type'];
-            $prescription['Pharmacist_sign_image']=$PharmacistIdentity['sign_image'];
-            $prescription['Pharmacist_sign_type']=$PharmacistIdentity['sign_type'];
+            // TODO 有些错误
+            $prescription['Pharmacist_sign_image']=$PharmacistIdentity['sign_image']?? '';
+            $prescription['Pharmacist_sign_type']=$PharmacistIdentity['sign_type']?? '';
 
             return $prescription;
         } catch (Exception $e) {