diff --git a/app/Exports/MultiSheetExport.php b/app/Exports/MultiSheetExport.php
index 7cd6016..f287081 100644
--- a/app/Exports/MultiSheetExport.php
+++ b/app/Exports/MultiSheetExport.php
@@ -2,15 +2,7 @@
 
 namespace App\Exports;
 
-use Illuminate\Support\Collection;
-use Maatwebsite\Excel\Concerns\FromCollection;
 use Maatwebsite\Excel\Concerns\WithMultipleSheets;
-use Maatwebsite\Excel\Concerns\WithStyles;
-use Maatwebsite\Excel\Concerns\WithColumnWidths;
-use Maatwebsite\Excel\Concerns\WithEvents;
-use Maatwebsite\Excel\Events\AfterSheet;
-use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
-use PhpOffice\PhpSpreadsheet\Style\Alignment;
 
 class MultiSheetExport implements WithMultipleSheets
 {
@@ -27,68 +19,3 @@ class MultiSheetExport implements WithMultipleSheets
     }
 }
 
-class SheetExport implements FromCollection, WithStyles, WithColumnWidths, WithEvents
-{
-    protected $data;
-    protected $fields;
-    protected $sheetName;
-
-    public function __construct($data, $fields, $sheetName = 'Sheet1')
-    {
-        $this->data = $data;
-        $this->fields = $fields;
-        $this->sheetName = $sheetName;
-    }
-
-    public function collection()
-    {
-        $newList = [];
-        
-        // 添加表头
-        $header = array_values($this->fields);
-        $newList[] = $header;
-
-        // 添加数据行
-        foreach ($this->data as $row) {
-            $temp = [];
-            foreach (array_keys($this->fields) as $field) {
-                $temp[] = $row[$field] ?? '';
-            }
-            $newList[] = $temp;
-        }
-
-        return new Collection($newList);
-    }
-
-    public function styles(Worksheet $sheet)
-    {
-        return [
-            1 => [
-                'font' => ['bold' => true],
-                'alignment' => ['horizontal' => Alignment::HORIZONTAL_CENTER],
-            ],
-        ];
-    }
-
-    public function columnWidths(): array
-    {
-        $widths = [];
-        $column = 'A';
-        foreach ($this->fields as $field) {
-            $widths[$column] = 15;
-            $column++;
-        }
-        return $widths;
-    }
-
-    public function registerEvents(): array
-    {
-        return [
-            AfterSheet::class => function (AfterSheet $event) {
-                $sheet = $event->sheet->getDelegate();
-                $sheet->setTitle($this->sheetName);
-            },
-        ];
-    }
-}
-
diff --git a/app/Exports/SheetExport.php b/app/Exports/SheetExport.php
new file mode 100644
index 0000000..97499cc
--- /dev/null
+++ b/app/Exports/SheetExport.php
@@ -0,0 +1,78 @@
+<?php
+
+namespace App\Exports;
+
+use Illuminate\Support\Collection;
+use Maatwebsite\Excel\Concerns\FromCollection;
+use Maatwebsite\Excel\Concerns\WithStyles;
+use Maatwebsite\Excel\Concerns\WithColumnWidths;
+use Maatwebsite\Excel\Concerns\WithEvents;
+use Maatwebsite\Excel\Events\AfterSheet;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+use PhpOffice\PhpSpreadsheet\Style\Alignment;
+
+class SheetExport implements FromCollection, WithStyles, WithColumnWidths, WithEvents
+{
+    protected $data;
+    protected $fields;
+    protected $sheetName;
+
+    public function __construct($data, $fields, $sheetName = 'Sheet1')
+    {
+        $this->data = $data;
+        $this->fields = $fields;
+        $this->sheetName = $sheetName;
+    }
+
+    public function collection()
+    {
+        $newList = [];
+        
+        // 添加表头
+        $header = array_values($this->fields);
+        $newList[] = $header;
+
+        // 添加数据行
+        foreach ($this->data as $row) {
+            $temp = [];
+            foreach (array_keys($this->fields) as $field) {
+                $temp[] = $row[$field] ?? '';
+            }
+            $newList[] = $temp;
+        }
+
+        return new Collection($newList);
+    }
+
+    public function styles(Worksheet $sheet)
+    {
+        return [
+            1 => [
+                'font' => ['bold' => true],
+                'alignment' => ['horizontal' => Alignment::HORIZONTAL_CENTER],
+            ],
+        ];
+    }
+
+    public function columnWidths(): array
+    {
+        $widths = [];
+        $column = 'A';
+        foreach ($this->fields as $field) {
+            $widths[$column] = 15;
+            $column++;
+        }
+        return $widths;
+    }
+
+    public function registerEvents(): array
+    {
+        return [
+            AfterSheet::class => function (AfterSheet $event) {
+                $sheet = $event->sheet->getDelegate();
+                $sheet->setTitle($this->sheetName);
+            },
+        ];
+    }
+}
+