diff --git a/app/Events/ConfirmDonation.php b/app/Events/ConfirmDonation.php
index 3df7a43..6320703 100644
--- a/app/Events/ConfirmDonation.php
+++ b/app/Events/ConfirmDonation.php
@@ -7,7 +7,6 @@
 use Illuminate\Broadcasting\InteractsWithSockets;
 use Illuminate\Broadcasting\PrivateChannel;
 use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
-use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Events\Dispatchable;
 use Illuminate\Queue\SerializesModels;
 
@@ -32,7 +31,7 @@ public function __construct(Donation $donation)
      */
     public function broadcastOn(): Channel
     {
-        return new PrivateChannel('donation.' . $this->donation->id);
+        return new PrivateChannel('donation.'.$this->donation->id);
     }
 
     public function broadcastWith(): array
@@ -40,7 +39,7 @@ public function broadcastWith(): array
         return [
             'id' => $this->donation->id,
             'status' => $this->donation->Status,
-            'confirmed_at' => $this->donation->Confirmed_at->toIso8601String()
+            'confirmed_at' => $this->donation->Confirmed_at->toIso8601String(),
         ];
     }
 }
diff --git a/app/Http/Controllers/CampaignController.php b/app/Http/Controllers/CampaignController.php
index 0f30a5f..d08d8fd 100644
--- a/app/Http/Controllers/CampaignController.php
+++ b/app/Http/Controllers/CampaignController.php
@@ -39,7 +39,7 @@ public function store(CampaignRequest $request)
 
         $address->Street = $validRequest['Street'];
 
-        $dateTime = $validRequest['Data'] . ' ' . $validRequest['Hour']; // concatenando data e hora
+        $dateTime = $validRequest['Data'].' '.$validRequest['Hour']; // concatenando data e hora
         $dateTime = \Carbon\Carbon::createFromFormat('Y-m-d H:i', $dateTime); // formatando com a biblioteca Carbon
 
         $address->Collection_date = $dateTime;
@@ -64,7 +64,7 @@ public function store(CampaignRequest $request)
 
         $extension = $requestImage->extension();
 
-        $imageName = md5($requestImage->getClientOriginalName() . strtotime('now')) . '.' . $extension;
+        $imageName = md5($requestImage->getClientOriginalName().strtotime('now')).'.'.$extension;
 
         $imagePath = $requestImage->storeAs('campaigns', $imageName, 'public');
 
@@ -140,7 +140,7 @@ public function update($id, Request $request)
 
             $extension = $requestImage->extension();
 
-            $imageName = md5($requestImage->getClientOriginalName() . strtotime('now')) . '.' . $extension;
+            $imageName = md5($requestImage->getClientOriginalName().strtotime('now')).'.'.$extension;
 
             $imagePath = $requestImage->storeAs('campaigns', $imageName, 'public');
 
diff --git a/app/Http/Controllers/DonationController.php b/app/Http/Controllers/DonationController.php
index ba1bad6..4db96d5 100644
--- a/app/Http/Controllers/DonationController.php
+++ b/app/Http/Controllers/DonationController.php
@@ -17,7 +17,7 @@ public function donate($id)
         if (Gate::allows('verify-cpf', auth()->user())) {
             $campaign = Campaign::findOrFail($id);
             if ($campaign->meta['current'] >= $campaign->meta['target']) {
-                return redirect('/campaign/' . $campaign->id);
+                return redirect('/campaign/'.$campaign->id);
             }
 
             return view('donations.donate', compact('campaign'));
@@ -45,7 +45,7 @@ public function store(Request $request, $id)
 
         $donation->save();
 
-        $url = url('/confirm/' . $donation->id);
+        $url = url('/confirm/'.$donation->id);
 
         $qrcode = QrCode::format('png')->size(200)->generate($url);
 
@@ -53,7 +53,7 @@ public function store(Request $request, $id)
 
         $donation->save();
 
-        return redirect('/donation/' . $donation->id);
+        return redirect('/donation/'.$donation->id);
     }
 
     public function show($id)
@@ -93,6 +93,9 @@ public function verify($id)
     public function confirm($id)
     {
         $donation = Donation::findOrFail($id);
+        if ($donation->Status === 'confirmed') {
+            return redirect()->route('campaign.show', $donation->campaign_id);
+        }
 
         $donation->Status = 'confirmed';
 
diff --git a/routes/web.php b/routes/web.php
index b7d4c4d..3623422 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -41,4 +41,4 @@
     Route::patch('/cpf', [ProfileController::class, 'registerCpf']);
 });
 
-require __DIR__ . '/auth.php';
+require __DIR__.'/auth.php';