diff --git a/application/admin/library/traits/Backend.php b/application/admin/library/traits/Backend.php
index cb9ed04c..8ba837cc 100755
--- a/application/admin/library/traits/Backend.php
+++ b/application/admin/library/traits/Backend.php
@@ -2,6 +2,11 @@
 
 namespace app\admin\library\traits;
 
+use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+use PhpOffice\PhpSpreadsheet\Reader\Xlsx;
+use PhpOffice\PhpSpreadsheet\Reader\Xls;
+use PhpOffice\PhpSpreadsheet\Reader\Csv;
+
 trait Backend
 {
 
@@ -294,27 +299,43 @@ trait Backend
     protected function import()
     {
         $file = $this->request->request('file');
-        if (!$file)
-        {
+        if (!$file) {
             $this->error(__('Parameter %s can not be empty', 'file'));
         }
         $filePath = ROOT_PATH . DS . 'public' . DS . $file;
-        if (!is_file($filePath))
-        {
+        if (!is_file($filePath)) {
             $this->error(__('No results were found'));
         }
-        $PHPReader = new \PHPExcel_Reader_Excel2007();
-        if (!$PHPReader->canRead($filePath))
-        {
-            $PHPReader = new \PHPExcel_Reader_Excel5();
-            if (!$PHPReader->canRead($filePath))
-            {
-                $PHPReader = new \PHPExcel_Reader_CSV();
-                if (!$PHPReader->canRead($filePath))
-                {
-                    $this->error(__('Unknown data format'));
+        //实例化reader
+        $ext = pathinfo($filePath, PATHINFO_EXTENSION);
+        if (!in_array($ext, ['csv', 'xls', 'xlsx'])) {
+            $this->error(__('Unknown data format'));
+        }
+        if ($ext === 'csv') {
+            $file = fopen($filePath, 'r');
+            $filePath = tempnam(sys_get_temp_dir(), 'import_csv');
+            $fp = fopen($filePath, "w");
+            $n = 0;
+            while ($line = fgets($file)) {
+                $line = rtrim($line, "\n\r\0");
+                $encoding = mb_detect_encoding($line, ['utf-8', 'gbk', 'latin1', 'big5']);
+                if ($encoding != 'utf-8') {
+                    $line = mb_convert_encoding($line, 'utf-8', $encoding);
                 }
+                if ($n == 0 || preg_match('/^".*"$/', $line)) {
+                    fwrite($fp, $line . "\n");
+                } else {
+                    fwrite($fp, '"' . str_replace(['"', ','], ['""', '","'], $line) . "\"\n");
+                }
+                $n++;
             }
+            fclose($file) || fclose($fp);
+
+            $reader = new Csv();
+        } elseif ($ext === 'xls') {
+            $reader = new Xls();
+        } else {
+            $reader = new Xlsx();
         }
 
         //导入文件首行类型,默认是注释,如果需要使用字段名称请使用name
@@ -324,64 +345,58 @@ trait Backend
         $database = \think\Config::get('database.database');
         $fieldArr = [];
         $list = db()->query("SELECT COLUMN_NAME,COLUMN_COMMENT FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = ? AND TABLE_SCHEMA = ?", [$table, $database]);
-        foreach ($list as $k => $v)
-        {
-            if ($importHeadType == 'comment')
-            {
+        foreach ($list as $k => $v) {
+            if ($importHeadType == 'comment') {
                 $fieldArr[$v['COLUMN_COMMENT']] = $v['COLUMN_NAME'];
-            }
-            else
-            {
+            } else {
                 $fieldArr[$v['COLUMN_NAME']] = $v['COLUMN_NAME'];
             }
         }
 
-        $PHPExcel = $PHPReader->load($filePath); //加载文件
-        $currentSheet = $PHPExcel->getSheet(0);  //读取文件中的第一个工作表
-        $allColumn = $currentSheet->getHighestDataColumn(); //取得最大的列号
-        $allRow = $currentSheet->getHighestRow(); //取得一共有多少行
-        $maxColumnNumber = \PHPExcel_Cell::columnIndexFromString($allColumn);
-        for ($currentRow = 1; $currentRow <= 1; $currentRow++)
-        {
-            for ($currentColumn = 0; $currentColumn < $maxColumnNumber; $currentColumn++)
-            {
-                $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
-                $fields[] = $val;
+        //加载文件
+        try {
+            if (!$PHPExcel = $reader->load($filePath)) {
+                $this->error(__('Unknown data format'));
             }
-        }
-        $insert = [];
-        for ($currentRow = 2; $currentRow <= $allRow; $currentRow++)
-        {
-            $values = [];
-            for ($currentColumn = 0; $currentColumn < $maxColumnNumber; $currentColumn++)
-            {
-                $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
-                $values[] = is_null($val) ? '' : $val;
-            }
-            $row = [];
-            $temp = array_combine($fields, $values);
-            foreach ($temp as $k => $v)
-            {
-                if (isset($fieldArr[$k]) && $k !== '')
-                {
-                    $row[$fieldArr[$k]] = $v;
+            $currentSheet = $PHPExcel->getSheet(0);  //读取文件中的第一个工作表
+            $allColumn = $currentSheet->getHighestDataColumn(); //取得最大的列号
+            $allRow = $currentSheet->getHighestRow(); //取得一共有多少行
+            $maxColumnNumber = Coordinate::columnIndexFromString($allColumn);
+            for ($currentRow = 1; $currentRow <= 1; $currentRow++) {
+                for ($currentColumn = 0; $currentColumn < $maxColumnNumber; $currentColumn++) {
+                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
+                    $fields[] = $val;
                 }
             }
-            if ($row)
-            {
-                $insert[] = $row;
+
+            $insert = [];
+            for ($currentRow = 2; $currentRow <= $allRow; $currentRow++) {
+                $values = [];
+                for ($currentColumn = 0; $currentColumn < $maxColumnNumber; $currentColumn++) {
+                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
+                    $values[] = is_null($val) ? '' : $val;
+                }
+                $row = [];
+                $temp = array_combine($fields, $values);
+                foreach ($temp as $k => $v) {
+                    if (isset($fieldArr[$k]) && $k !== '') {
+                        $row[$fieldArr[$k]] = $v;
+                    }
+                }
+                if ($row) {
+                    $insert[] = $row;
+                }
             }
+        } catch (Exception $exception) {
+            $this->error($exception->getMessage());
         }
-        if (!$insert)
-        {
+        if (!$insert) {
             $this->error(__('No rows were updated'));
         }
-        try
-        {
+
+        try {
             $this->model->saveAll($insert);
-        }
-        catch (\think\exception\PDOException $exception)
-        {
+        } catch (\think\exception\PDOException $exception) {
             $this->error($exception->getMessage());
         }
 
diff --git a/composer.json b/composer.json
index f81031ae..735b5753 100755
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,8 @@
         "phpmailer/phpmailer": "^5.2",
         "karsonzhang/fastadmin-addons": "~1.1.0",
         "overtrue/pinyin": "~3.0",
-        "phpoffice/phpexcel": "^1.8"
+        "phpoffice/phpspreadsheet": "^1.2",
+        "phpoffice/phpword": "^0.14.0"
     },
     "config": {
         "preferred-install": "dist"