20221014 phoneNumber 改為非必填

app/Http/Controllers/Backend/DataManagement/SignupManagementController.php

                 $backupEmail = '';
             }
 
+            if ($data['phoneNumber']) {
+                $phoneNumber = $this->safeDecrypt($data['phoneNumber'], 'arm');
+            } else {
+                $phoneNumber = '';
+            }
+
             $rows[] = [
                 'Registered Session(TW only)' => $data['registeredSession'],
                 'Track No' => $data['trackNo'],
                 'Type Of Industry' => $data['typeOfIndustry'],
                 'Type Of Job' => $data['typeOfJob'],
                 'Job Title' => $data['jobTitle'],
-                'Phone Number' => $this->safeDecrypt($data['phoneNumber'], 'arm'),
+                'Phone Number' => $this->safeDecrypt($phoneNumber, 'arm'),
                 'Company Email' => $this->safeDecrypt($data['companyEmail'], 'arm'),
                 'Backup Email' => $backupEmail,
                 'Lunch Options(TW only)' => $data['lunchOptions'],