diff --git a/app/Module/AiBot/TextExtractor.php b/app/Module/AiBot/TextExtractor.php
new file mode 100644
index 000000000..e6039a607
--- /dev/null
+++ b/app/Module/AiBot/TextExtractor.php
@@ -0,0 +1,183 @@
+<?php
+
+namespace App\Module\AiBot;
+
+use Exception;
+use Illuminate\Support\Facades\Log;
+use PhpOffice\PhpWord\IOFactory;
+use Smalot\PdfParser\Parser;
+
+class TextExtractor
+{
+    /**
+     * 从文件中提取文本
+     *
+     * @param string $filePath 文件路径
+     * @return string
+     * @throws Exception
+     */
+    public function extractText(string $filePath): string
+    {
+        if (!file_exists($filePath)) {
+            throw new Exception("文件不存在: {$filePath}");
+        }
+
+        $fileExtension = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
+
+        try {
+            return match($fileExtension) {
+                'pdf'   => $this->extractFromPDF($filePath),
+                'docx'  => $this->extractFromDOCX($filePath),
+                'ipynb' => $this->extractFromIPYNB($filePath),
+                default => $this->extractFromOtherFile($filePath),
+            };
+        } catch (Exception $e) {
+            Log::error('文本提取失败', [
+                'file' => $filePath,
+                'error' => $e->getMessage()
+            ]);
+            throw $e;
+        }
+    }
+
+    /**
+     * 从PDF文件中提取文本
+     *
+     * @param string $filePath
+     * @return string
+     * @throws Exception
+     */
+    protected function extractFromPDF(string $filePath): string
+    {
+        try {
+            $parser = new Parser();
+            $pdf = $parser->parseFile($filePath);
+
+            return $pdf->getText();
+        } catch (Exception $e) {
+            Log::error('PDF解析失败', [
+                'file' => $filePath,
+                'error' => $e->getMessage()
+            ]);
+            throw new Exception("PDF文本提取失败: " . $e->getMessage());
+        }
+    }
+
+    /**
+     * 从DOCX文件中提取文本
+     *
+     * @param string $filePath
+     * @return string
+     * @throws Exception
+     */
+    protected function extractFromDOCX(string $filePath): string
+    {
+        $phpWord = IOFactory::load($filePath);
+        $text = '';
+
+        foreach ($phpWord->getSections() as $section) {
+            foreach ($section->getElements() as $element) {
+                if (method_exists($element, 'getText')) {
+                    $text .= $element->getText() . "\n";
+                }
+            }
+        }
+
+        return $text;
+    }
+
+    /**
+     * 从Jupyter Notebook文件中提取文本
+     *
+     * @param string $filePath
+     * @return string
+     * @throws Exception
+     */
+    protected function extractFromIPYNB(string $filePath): string
+    {
+        $content = file_get_contents($filePath);
+        $notebook = json_decode($content, true);
+
+        if (json_last_error() !== JSON_ERROR_NONE) {
+            throw new Exception("IPYNB文件解析失败: " . json_last_error_msg());
+        }
+
+        $extractedText = '';
+
+        foreach ($notebook['cells'] ?? [] as $cell) {
+            if (in_array($cell['cell_type'] ?? '', ['markdown', 'code']) && isset($cell['source'])) {
+                $source = $cell['source'];
+                $extractedText .= is_array($source)
+                    ? implode("\n", $source)
+                    : $source;
+                $extractedText .= "\n";
+            }
+        }
+
+        return $extractedText;
+    }
+
+    /**
+     * 从其他类型文件中提取文本
+     *
+     * @param string $filePath
+     * @return string
+     * @throws Exception
+     */
+    protected function extractFromOtherFile(string $filePath): string
+    {
+        if ($this->isBinaryFile($filePath)) {
+            throw new Exception("无法读取该类型文件的文本内容");
+        }
+
+        return file_get_contents($filePath);
+    }
+
+    /**
+     * 检查文件是否为二进制文件
+     *
+     * @param string $filePath
+     * @return bool
+     */
+    protected function isBinaryFile(string $filePath): bool
+    {
+        $finfo = finfo_open(FILEINFO_MIME);
+        $mimeType = finfo_file($finfo, $filePath);
+        finfo_close($finfo);
+
+        return !str_contains($mimeType, 'text/')
+            && !str_contains($mimeType, 'application/json')
+            && !str_contains($mimeType, 'application/xml');
+    }
+
+    /** ********************************************************************* */
+    /** ********************************************************************* */
+    /** ********************************************************************* */
+
+    public static function parsePaths($filePath)
+    {
+        // todo
+        // (see below for file content)
+        // <file_content path="${mentionPath}">\n${content}\n</file_content>
+
+        // (see below for site content)
+        // <site_content url="${mention}">\n${result}\n</site_content>
+    }
+
+    public static function getFileContent($filePath)
+    {
+        if (!file_exists($filePath) || !is_file($filePath)) {
+            return "(Failed to read contents of {$filePath})";
+        }
+        $te = new self();
+        try {
+            $isBinary = $te->isBinaryFile($filePath);
+            if ($isBinary) {
+                return "(Binary file, unable to display content)";
+            }
+            return $te->extractText($filePath);
+        } catch (Exception $e) {
+            return "(Failed to read contents of {$filePath}: {$e->getMessage()})";
+        }
+    }
+}
diff --git a/composer.json b/composer.json
index 280cc7dba..b49914321 100644
--- a/composer.json
+++ b/composer.json
@@ -11,6 +11,7 @@
         "php": "^8.0",
         "ext-curl": "*",
         "ext-dom": "*",
+        "ext-fileinfo": "*",
         "ext-gd": "*",
         "ext-imagick": "*",
         "ext-json": "*",
@@ -35,7 +36,9 @@
         "mews/captcha": "^3.2.6",
         "orangehill/iseed": "^3.0.1",
         "overtrue/pinyin": "^4.0",
+        "phpoffice/phpword": "^1.3",
         "predis/predis": "^1.1.7",
+        "smalot/pdfparser": "^2.11",
         "symfony/mailer": "^6.0"
     },
     "require-dev": {
diff --git a/composer.lock b/composer.lock
index d2a291e3b..feb4b3395 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "4bfa166220b4b329f40e62394c6336a0",
+    "content-hash": "ef4844086b8b7fde7050b10a9d4e436a",
     "packages": [
         {
             "name": "asm89/stack-cors",
@@ -3679,6 +3679,58 @@
             ],
             "time": "2023-04-27T10:17:12+00:00"
         },
+        {
+            "name": "phpoffice/math",
+            "version": "0.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPOffice/Math.git",
+                "reference": "fc2eb6d1a61b058d5dac77197059db30ee3c8329"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPOffice/Math/zipball/fc2eb6d1a61b058d5dac77197059db30ee3c8329",
+                "reference": "fc2eb6d1a61b058d5dac77197059db30ee3c8329",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-xml": "*",
+                "php": "^7.1|^8.0"
+            },
+            "require-dev": {
+                "phpstan/phpstan": "^0.12.88 || ^1.0.0",
+                "phpunit/phpunit": "^7.0 || ^9.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "PhpOffice\\Math\\": "src/Math/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Progi1984",
+                    "homepage": "https://lefevre.dev"
+                }
+            ],
+            "description": "Math - Manipulate Math Formula",
+            "homepage": "https://phpoffice.github.io/Math/",
+            "keywords": [
+                "MathML",
+                "officemathml",
+                "php"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPOffice/Math/issues",
+                "source": "https://github.com/PHPOffice/Math/tree/0.2.0"
+            },
+            "time": "2024-08-12T07:30:45+00:00"
+        },
         {
             "name": "phpoffice/phpspreadsheet",
             "version": "1.29.5",
@@ -3784,6 +3836,115 @@
             },
             "time": "2024-11-22T05:57:44+00:00"
         },
+        {
+            "name": "phpoffice/phpword",
+            "version": "1.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPOffice/PHPWord.git",
+                "reference": "8392134ce4b5dba65130ba956231a1602b848b7f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPOffice/PHPWord/zipball/8392134ce4b5dba65130ba956231a1602b848b7f",
+                "reference": "8392134ce4b5dba65130ba956231a1602b848b7f",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-json": "*",
+                "ext-xml": "*",
+                "php": "^7.1|^8.0",
+                "phpoffice/math": "^0.2"
+            },
+            "require-dev": {
+                "dompdf/dompdf": "^2.0",
+                "ext-gd": "*",
+                "ext-libxml": "*",
+                "ext-zip": "*",
+                "friendsofphp/php-cs-fixer": "^3.3",
+                "mpdf/mpdf": "^8.1",
+                "phpmd/phpmd": "^2.13",
+                "phpstan/phpstan-phpunit": "@stable",
+                "phpunit/phpunit": ">=7.0",
+                "symfony/process": "^4.4 || ^5.0",
+                "tecnickcom/tcpdf": "^6.5"
+            },
+            "suggest": {
+                "dompdf/dompdf": "Allows writing PDF",
+                "ext-gd2": "Allows adding images",
+                "ext-xmlwriter": "Allows writing OOXML and ODF",
+                "ext-xsl": "Allows applying XSL style sheet to headers, to main document part, and to footers of an OOXML template",
+                "ext-zip": "Allows writing OOXML and ODF"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "PhpOffice\\PhpWord\\": "src/PhpWord"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "Mark Baker"
+                },
+                {
+                    "name": "Gabriel Bull",
+                    "email": "me@gabrielbull.com",
+                    "homepage": "http://gabrielbull.com/"
+                },
+                {
+                    "name": "Franck Lefevre",
+                    "homepage": "https://rootslabs.net/blog/"
+                },
+                {
+                    "name": "Ivan Lanin",
+                    "homepage": "http://ivan.lanin.org"
+                },
+                {
+                    "name": "Roman Syroeshko",
+                    "homepage": "http://ru.linkedin.com/pub/roman-syroeshko/34/a53/994/"
+                },
+                {
+                    "name": "Antoine de Troostembergh"
+                }
+            ],
+            "description": "PHPWord - A pure PHP library for reading and writing word processing documents (OOXML, ODF, RTF, HTML, PDF)",
+            "homepage": "https://phpoffice.github.io/PHPWord/",
+            "keywords": [
+                "ISO IEC 29500",
+                "OOXML",
+                "Office Open XML",
+                "OpenDocument",
+                "OpenXML",
+                "PhpOffice",
+                "PhpWord",
+                "Rich Text Format",
+                "WordprocessingML",
+                "doc",
+                "docx",
+                "html",
+                "odf",
+                "odt",
+                "office",
+                "pdf",
+                "php",
+                "reader",
+                "rtf",
+                "template",
+                "template processor",
+                "word",
+                "writer"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPOffice/PHPWord/issues",
+                "source": "https://github.com/PHPOffice/PHPWord/tree/1.3.0"
+            },
+            "time": "2024-08-30T18:03:42+00:00"
+        },
         {
             "name": "phpoption/phpoption",
             "version": "1.9.3",
@@ -4637,6 +4798,57 @@
             ],
             "time": "2024-04-27T21:32:50+00:00"
         },
+        {
+            "name": "smalot/pdfparser",
+            "version": "v2.11.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/smalot/pdfparser.git",
+                "reference": "ac8e6678b0940e4b2ccd5caadd3fb18e68093be6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/smalot/pdfparser/zipball/ac8e6678b0940e4b2ccd5caadd3fb18e68093be6",
+                "reference": "ac8e6678b0940e4b2ccd5caadd3fb18e68093be6",
+                "shasum": ""
+            },
+            "require": {
+                "ext-iconv": "*",
+                "ext-zlib": "*",
+                "php": ">=7.1",
+                "symfony/polyfill-mbstring": "^1.18"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-0": {
+                    "Smalot\\PdfParser\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-3.0"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastien MALOT",
+                    "email": "sebastien@malot.fr"
+                }
+            ],
+            "description": "Pdf parser library. Can read and extract information from pdf file.",
+            "homepage": "https://www.pdfparser.org",
+            "keywords": [
+                "extract",
+                "parse",
+                "parser",
+                "pdf",
+                "text"
+            ],
+            "support": {
+                "issues": "https://github.com/smalot/pdfparser/issues",
+                "source": "https://github.com/smalot/pdfparser/tree/v2.11.0"
+            },
+            "time": "2024-08-16T06:48:03+00:00"
+        },
         {
             "name": "swiftmailer/swiftmailer",
             "version": "v6.3.0",
@@ -10705,6 +10917,8 @@
     "platform": {
         "php": "^8.0",
         "ext-curl": "*",
+        "ext-dom": "*",
+        "ext-fileinfo": "*",
         "ext-gd": "*",
         "ext-imagick": "*",
         "ext-json": "*",