diff --git a/app/Console/Commands/TransferSqliteToMysql.php b/app/Console/Commands/TransferSqliteToMysql.php
index 87b6aa0..8e34924 100644
--- a/app/Console/Commands/TransferSqliteToMysql.php
+++ b/app/Console/Commands/TransferSqliteToMysql.php
@@ -48,23 +48,28 @@ class TransferSqliteToMysql extends Command
             $this->info("📦 Transferring table: {$table}");
 
             try {
-                // 從 SQLite 資料庫讀取資料
-                $records = DB::connection('sqlite')->table($table)->get();
+                // 用 cursor 來避免一次性佔用過多記憶體
+                $rows = DB::connection('sqlite')->table($table)->cursor();
 
-                if ($records->isEmpty()) {
-                    $this->warn("⚠️  Table {$table} has no data.");
-                    continue;
+                $buffer = [];
+                $count = 0;
+
+                foreach ($rows as $row) {
+                    $buffer[] = (array) $row;
+                    $count++;
+
+                    if ($count % 500 === 0) {
+                        DB::connection($mysqlConnection)->table($table)->insert($buffer);
+                        $buffer = []; // 清空 buffer
+                    }
                 }
 
-                // 資料分批處理，避免一次插入過多資料造成效能問題
-                $chunks = $records->chunk(500);
-                foreach ($chunks as $chunk) {
-                    DB::connection($mysqlConnection)->table($table)->insert(
-                        $chunk->map(fn ($row) => (array) $row)->toArray()
-                    );
+                // 插入剩下的資料
+                if (!empty($buffer)) {
+                    DB::connection($mysqlConnection)->table($table)->insert($buffer);
                 }
 
-                $this->info("✅ Done: {$table}");
+                $this->info("✅ Done: {$table} ({$count} records)");
             } catch (\Exception $e) {
                 $this->error("❌ Failed to transfer {$table}: " . $e->getMessage());
             }
diff --git a/app/Jobs/ImportArtistChunkJob.php b/app/Jobs/ImportArtistChunkJob.php
index 422d084..3bb0188 100644
--- a/app/Jobs/ImportArtistChunkJob.php
+++ b/app/Jobs/ImportArtistChunkJob.php
@@ -36,7 +36,7 @@ class ImportArtistChunkJob implements ShouldQueue
         $now = now();
         foreach ($this->rows as $index => $row) {
             try {
-                $name = trim($row['歌手姓名'] ?? '');
+                $name = $this->normalizeName($row['歌手姓名'] ?? '');
 
                 if (empty($name) || Artist::where('name', $name)->exists()) {
                     continue;
@@ -79,4 +79,9 @@ class ImportArtistChunkJob implements ShouldQueue
         }
         Artist::insert($toInsert);
     }
+
+    public function normalizeName(?string $str): string
+    {
+        return strtoupper(mb_convert_kana(trim($str ?? ''), 'as'));
+    }
 }
\ No newline at end of file
diff --git a/app/Jobs/ImportSongChunkJob.php b/app/Jobs/ImportSongChunkJob.php
index ac36604..47045e0 100644
--- a/app/Jobs/ImportSongChunkJob.php
+++ b/app/Jobs/ImportSongChunkJob.php
@@ -52,7 +52,7 @@ class ImportSongChunkJob implements ShouldQueue
 
             try {
                 // 字元處理
-                $songName=trim($row['歌名'] ?? '');
+                $songName=$this->normalizeName($row['歌名'] ?? '');
                 $simplified=ChineseNameConverter::convertToSimplified($songName);// 繁體轉簡體
                 if (!$row->has('注音')) {
                     $phoneticAbbr = ChineseNameConverter::getKTVZhuyinAbbr($simplified);// 注音符號
@@ -104,11 +104,11 @@ class ImportSongChunkJob implements ShouldQueue
                 // 處理關聯 - 歌手
                 $artistIds = [];
                 foreach (['歌星A', '歌星B'] as $key) {
-                    $artistName = trim($row[$key] ?? '');
+                    $artistName = $this->normalizeName($row[$key] ?? '');
                     if ($artistName === '') continue;
                 
                     // 若是歌星B，且與歌星A相同，則跳過
-                    if ($key === '歌星B' && $artistName === trim($row['歌星A'] ?? '')) continue;
+                    if ($key === '歌星B' && $artistName === $this->normalizeName($row['歌星A'] ?? '')) continue;
                 
                     $artistMap[$songId][] = $this->getOrCreateArtistId($artistName);
                 }
@@ -160,6 +160,12 @@ class ImportSongChunkJob implements ShouldQueue
 
         return $this->artistCache[$name] = $artist->id;
     }
+
+    public function normalizeName(?string $str): string
+    {
+        return strtoupper(mb_convert_kana(trim($str ?? ''), 'as'));
+    }
+
     protected function formatText($value)
     {
         if (is_numeric($value) && $value < 1 && $value > 0) {