diff --git a/app/Livewire/Admin/ArtistImportData.php b/app/Livewire/Admin/ArtistImportData.php
index c76e0d1..ce267fd 100644
--- a/app/Livewire/Admin/ArtistImportData.php
+++ b/app/Livewire/Admin/ArtistImportData.php
@@ -22,12 +22,14 @@ class ArtistImportData extends Component
     public bool $showModal = false;
 
     public $file;
+    public string $maxUploadSize;
 
     public string|null $tmpPath = null;
 
     public function mount()
     {
         $this->canCreate = Auth::user()?->can('song-edit') ?? false;
+        $this->maxUploadSize = $this->getMaxUploadSize();
     }
 
     public function openModal()
@@ -74,6 +76,37 @@ class ArtistImportData extends Component
         }
     }
 
+    private function getMaxUploadSize(): string
+    {
+        $uploadMax = $this->convertPHPSizeToBytes(ini_get('upload_max_filesize'));
+        $postMax = $this->convertPHPSizeToBytes(ini_get('post_max_size'));
+        $max = min($uploadMax, $postMax);
+        return $this->humanFileSize($max);
+    }
+
+    private function convertPHPSizeToBytes(string $s): int
+    {
+        $s = trim($s);
+        $unit = strtolower($s[strlen($s) - 1]);
+        $bytes = (int) $s;
+        switch ($unit) {
+            case 'g':
+                $bytes *= 1024;
+            case 'm':
+                $bytes *= 1024;
+            case 'k':
+                $bytes *= 1024;
+        }
+        return $bytes;
+    }
+
+    private function humanFileSize(int $bytes, int $decimals = 2): string
+    {
+        $sizes = ['B', 'KB', 'MB', 'GB'];
+        $factor = floor((strlen((string) $bytes) - 1) / 3);
+        return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . $sizes[$factor];
+    }
+
     public function render()
     {
         return view('livewire.admin.artist-import-data');
diff --git a/app/Livewire/Admin/SongImportData.php b/app/Livewire/Admin/SongImportData.php
index 7960832..a823184 100644
--- a/app/Livewire/Admin/SongImportData.php
+++ b/app/Livewire/Admin/SongImportData.php
@@ -22,12 +22,14 @@ class SongImportData extends Component
     public bool $showModal = false;
 
     public $file;
+    public string $maxUploadSize;
 
     public string|null $tmpPath = null;
 
     public function mount()
     {
         $this->canCreate = Auth::user()?->can('song-edit') ?? false;
+        $this->maxUploadSize = $this->getMaxUploadSize();
     }
 
     public function openModal()
@@ -73,6 +75,37 @@ class SongImportData extends Component
             File::delete($this->tmpPath);
         }
     }
+    
+    private function getMaxUploadSize(): string
+    {
+        $uploadMax = $this->convertPHPSizeToBytes(ini_get('upload_max_filesize'));
+        $postMax = $this->convertPHPSizeToBytes(ini_get('post_max_size'));
+        $max = min($uploadMax, $postMax);
+        return $this->humanFileSize($max);
+    }
+
+    private function convertPHPSizeToBytes(string $s): int
+    {
+        $s = trim($s);
+        $unit = strtolower($s[strlen($s) - 1]);
+        $bytes = (int) $s;
+        switch ($unit) {
+            case 'g':
+                $bytes *= 1024;
+            case 'm':
+                $bytes *= 1024;
+            case 'k':
+                $bytes *= 1024;
+        }
+        return $bytes;
+    }
+
+    private function humanFileSize(int $bytes, int $decimals = 2): string
+    {
+        $sizes = ['B', 'KB', 'MB', 'GB'];
+        $factor = floor((strlen((string) $bytes) - 1) / 3);
+        return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . $sizes[$factor];
+    }
 
     public function render()
     {
diff --git a/resources/views/livewire/admin/artist-import-data.blade.php b/resources/views/livewire/admin/artist-import-data.blade.php
index a138377..3b0707c 100644
--- a/resources/views/livewire/admin/artist-import-data.blade.php
+++ b/resources/views/livewire/admin/artist-import-data.blade.php
@@ -48,6 +48,9 @@
 
     {{-- 檔案上傳 --}}
     <input type="file" wire:model="file" accept=".csv, .xls, .xlsx" class="mb-4 w-full" />
+    <p class="text-xs text-gray-500 mb-2">
+        系統限制：最大上傳 {{ $maxUploadSize }}
+    </p>
     <!-- 上傳中提示 -->
     <div wire:loading wire:target="file" class="text-sm text-blue-500">
         檔案上傳中，請稍候...
@@ -58,6 +61,7 @@
         <x-wireui:icon name="check-circle" class="w-5 h-5 text-green-500" />
     </div>
     
+    
     <x-slot name="footer">
         <div class="flex justify-between w-full">
             <x-wireui:button flat label="{{ __('artists.cancel') }}" wire:click="closeModal" />
diff --git a/resources/views/livewire/admin/song-import-data.blade.php b/resources/views/livewire/admin/song-import-data.blade.php
index b268851..af399c8 100644
--- a/resources/views/livewire/admin/song-import-data.blade.php
+++ b/resources/views/livewire/admin/song-import-data.blade.php
@@ -144,6 +144,9 @@
     </div>
     {{-- 檔案上傳 --}}
     <input type="file" wire:model="file" accept=".csv, .xls, .xlsx" class="mb-4 w-full" />
+    <p class="text-xs text-gray-500 mb-2">
+        系統限制：最大上傳 {{ $maxUploadSize }}
+    </p>
     <!-- 上傳中提示 -->
     <div wire:loading wire:target="file" class="text-sm text-blue-500">
         檔案上傳中，請稍候...