diff --git a/.github/user_bug_report.md b/.github/user_bug_report.md
index 9e5f2a5..4b92a8e 100755
--- a/.github/user_bug_report.md
+++ b/.github/user_bug_report.md
@@ -8,9 +8,11 @@ assignees: ''
 ---
 
 # Bug Description
+
 A clear and concise description of what the bug is.
 
 # How to Reproduce
+
 Steps to reproduce the behavior:
 
 1. Go to '...'
@@ -19,16 +21,20 @@ Steps to reproduce the behavior:
 4. See error
 
 # Expected Behavior
+
 A clear and concise description of what you expected to happen.
 
 # Screenshots
+
 If applicable, add screenshots to help explain your problem.
 
 # System Information
- - System: [e.g. PC or iPhone11, ...]
- - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - KarakaVersion [e.g. 22]
+
+- System: [e.g. PC or iPhone11, ...]
+- OS: [e.g. iOS]
+- Browser [e.g. chrome, safari]
+- KarakaVersion [e.g. 22]
 
 # Additional Information
+
 Add any other context about the problem here.
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 91ae538..f686e59 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -126,8 +126,8 @@ final class ApiController extends Controller
     private function validateSupplierCreate(RequestAbstract $request) : array
     {
         $val = [];
-        if (($val['number'] = empty($request->getData('number')))
-            || ($val['name1'] = empty($request->getData('name1')))
+        if (($val['number'] = !$request->hasData('number'))
+            || ($val['name1'] = !$request->hasData('name1'))
         ) {
             return $val;
         }
@@ -196,9 +196,9 @@ final class ApiController extends Controller
     private function validateSupplierL11nCreate(RequestAbstract $request) : array
     {
         $val = [];
-        if (($val['supplier'] = empty($request->getData('supplier')))
-            || ($val['type'] = empty($request->getData('type')))
-            || ($val['description'] = empty($request->getData('description')))
+        if (($val['supplier'] = !$request->hasData('supplier'))
+            || ($val['type'] = !$request->hasData('type'))
+            || ($val['description'] = !$request->hasData('description'))
         ) {
             return $val;
         }
@@ -263,7 +263,7 @@ final class ApiController extends Controller
     private function validateSupplierL11nTypeCreate(RequestAbstract $request) : array
     {
         $val = [];
-        if (($val['title'] = empty($request->getData('title')))) {
+        if (($val['title'] = !$request->hasData('title'))) {
             return $val;
         }
 
@@ -328,9 +328,9 @@ final class ApiController extends Controller
     private function validateSupplierAttributeCreate(RequestAbstract $request) : array
     {
         $val = [];
-        if (($val['type'] = empty($request->getData('type')))
-            || ($val['value'] = empty($request->getData('value')))
-            || ($val['supplier'] = empty($request->getData('supplier')))
+        if (($val['type'] = !$request->hasData('type'))
+            || ($val['value'] = !$request->hasData('value'))
+            || ($val['supplier'] = !$request->hasData('supplier'))
         ) {
             return $val;
         }
@@ -398,8 +398,8 @@ final class ApiController extends Controller
     private function validateSupplierAttributeTypeL11nCreate(RequestAbstract $request) : array
     {
         $val = [];
-        if (($val['title'] = empty($request->getData('title')))
-            || ($val['type'] = empty($request->getData('type')))
+        if (($val['title'] = !$request->hasData('title'))
+            || ($val['type'] = !$request->hasData('type'))
         ) {
             return $val;
         }
@@ -469,8 +469,8 @@ final class ApiController extends Controller
     private function validateSupplierAttributeTypeCreate(RequestAbstract $request) : array
     {
         $val = [];
-        if (($val['title'] = empty($request->getData('title')))
-            || ($val['name'] = empty($request->getData('name')))
+        if (($val['title'] = !$request->hasData('title'))
+            || ($val['name'] = !$request->hasData('name'))
         ) {
             return $val;
         }
@@ -554,8 +554,8 @@ final class ApiController extends Controller
     private function validateSupplierAttributeValueCreate(RequestAbstract $request) : array
     {
         $val = [];
-        if (($val['type'] = empty($request->getData('type')))
-            || ($val['value'] = empty($request->getData('value')))
+        if (($val['type'] = !$request->hasData('type'))
+            || ($val['value'] = !$request->hasData('value'))
         ) {
             return $val;
         }
@@ -623,8 +623,8 @@ final class ApiController extends Controller
     private function validateSupplierAttributeValueL11nCreate(RequestAbstract $request) : array
     {
         $val = [];
-        if (($val['title'] = empty($request->getData('title')))
-            || ($val['value'] = empty($request->getData('value')))
+        if (($val['title'] = !$request->hasData('title'))
+            || ($val['value'] = !$request->hasData('value'))
         ) {
             return $val;
         }
diff --git a/tests/Controller/ApiControllerTest.php b/tests/Controller/ApiControllerTest.php
index 5db8ed6..ecd2072 100755
--- a/tests/Controller/ApiControllerTest.php
+++ b/tests/Controller/ApiControllerTest.php
@@ -69,7 +69,7 @@ final class ApiControllerTest extends \PHPUnit\Framework\TestCase
 
         $permission = new AccountPermission();
         $permission->setUnit(1);
-        $permission->setApp('backend');
+        $permission->setApp(2);
         $permission->setPermission(
             PermissionType::READ
             | PermissionType::CREATE