diff --git a/backend/app/Http/Controllers/Api/ChildrenController.php b/backend/app/Http/Controllers/Api/ChildrenController.php
index 1b780ba9..f61f12f9 100644
--- a/backend/app/Http/Controllers/Api/ChildrenController.php
+++ b/backend/app/Http/Controllers/Api/ChildrenController.php
@@ -180,17 +180,20 @@ class ChildrenController extends Controller {
         return ['status_code' => 200, 'params' => $result];
     }
 
-    public function listOfFather (Request $r) {
+    public function listOfFather ($father_id) {
+        if (!isset($father_id)) {
+            return ['status_code' => 400];
+        }
         $result = [];
-        $child_select = ['id', 'image', 'last_name', 'first_name'];
+        $child_select = ['first_name', 'last_name', 'tel'];
 
-        if (null === ($list = FatherRelation::select('father_id')->where('father_id', (int)$r->father_id)->orderBy('created_at', 'desc')->get())) {
+        if (null === ($list = FatherRelation::select('child_id')->where('father_id', (int)$father_id)->orderBy('created_at', 'desc')->get())) {
             return ['status_code' => 400];
         }
 
-        foreach ($list as $l) {
-            if (null === ($result[] = Child::select($child_select)->find($l->father_id))) {
-                return ['status_code' => 400];
+        foreach ($list as $i => $l) {
+            if (null === ($result[] = Child::select($child_select)->where('id', $l->child_id)->first())) {
+                $result[$i] = [];
             }
         }
 
diff --git a/backend/app/Http/Controllers/Api/MeetingsController.php b/backend/app/Http/Controllers/Api/MeetingsController.php
index 51247f10..b9fd33bf 100644
--- a/backend/app/Http/Controllers/Api/MeetingsController.php
+++ b/backend/app/Http/Controllers/Api/MeetingsController.php
@@ -526,17 +526,22 @@ class MeetingsController extends Controller {
             if (isset($r->pdf)) {
                 $filename = uniqid() . '.pdf';
                 $pdf = base64_decode(substr($r->pdf, strpos($r->pdf, ',') + 1));
-                $update['pdf'] = '/storage/'.$filename;
 
-                if ($chk = Meeting::select('pdf')->where('id', (int)$meeting_id)->first() && strcmp($chk->pdf, $r->pdf) != 0) {    
-                    if (Storage::disk('public')->exists($chk->pdf)) {
-                        if (Storage::disk('public')->get($chk->pdf) != $pdf) {
-                            Storage::disk('public')->delete($chk->pdf);
+                if ($chk = Meeting::select('pdf')->where('id', (int)$meeting_id)->first()) {
+                    $opdf = str_replace('/storage/', '', $chk->pdf);
+                    if (strcmp(Storage::disk('public')->get($opdf), $pdf) !== 0) {
+                        if (Storage::disk('public')->exists($opdf)) {
+                            Storage::disk('public')->delete($opdf);
                         }
+
+                        $update['pdf'] = '/storage/'.$filename;
+                        Storage::disk('public')->put($filename, $pdf);
                     }
                 }
-
-                Storage::disk('public')->put($filename, $pdf);
+                else {
+                    $update['pdf'] = '/storage/'.$filename;
+                    Storage::disk('public')->put($filename, $pdf);
+                }
             }
 
             Meeting::where('id', (int)$meeting_id)->update($update);
diff --git a/infra/nginx/default.conf b/infra/nginx/default.conf
index a4cc9ba9..9734145a 100644
--- a/infra/nginx/default.conf
+++ b/infra/nginx/default.conf
@@ -10,6 +10,7 @@ server {
     index index.php;
 
     charset utf-8;
+    client_max_body_size 10M;
 
     location / {
         try_files $uri $uri/ /index.php?$query_string;