diff --git a/plugins/dify/main.py b/plugins/dify/main.py
index 6ca0a40..7427cce 100644
--- a/plugins/dify/main.py
+++ b/plugins/dify/main.py
@@ -18,6 +18,10 @@ from utils.media_downloader import MediaDownloader
 from utils.string_utils import remove_trailing_content
 from wechat_ipad import WechatAPIClient
 
+# 常见的图片和视频文件扩展名
+IMAGE_EXTENSIONS = {'.jpg', '.jpeg', '.png', '.gif', '.bmp', '.tiff', '.webp'}
+VIDEO_EXTENSIONS = {'.mp4', '.avi', '.mov', '.wmv', '.flv', '.mkv', '.webm'}
+
 
 class DifyPlugin(MessagePluginInterface):
     """Dify AI聊天插件"""
@@ -151,7 +155,13 @@ class DifyPlugin(MessagePluginInterface):
                     # 判断是否为本地文件路径
                     if os.path.isfile(response):
                         # 如果是文件路径，使用发送文件方法
-                        await bot.send_image_message((roomid if roomid else sender), Path(response))
+                        file_type = self.check_file_type(response)
+                        if file_type == 1:
+                            await bot.send_image_message((roomid if roomid else sender), Path(response))
+                        elif file_type == 2:
+                            await bot.send_video_message((roomid if roomid else sender), Path(response))
+                        else:
+                            return False, "获取媒资失败"
                     else:
                         # 如果是普通文本，则在长度大于100字时，转为图片发送
                         if len(response) > 800:
@@ -218,7 +228,14 @@ class DifyPlugin(MessagePluginInterface):
                 # 判断是否为本地文件路径
                 if os.path.isfile(response):
                     # 如果是文件路径，使用发送文件方法
-                    await bot.send_image_message((roomid if roomid else sender), Path(response))
+                    # 判断是视频还是图片：
+                    file_type = self.check_file_type(response)
+                    if file_type == 1:
+                        await bot.send_image_message((roomid if roomid else sender), Path(response))
+                    elif file_type == 2:
+                        await bot.send_video_message((roomid if roomid else sender), Path(response))
+                    else:
+                        return False, "获取媒资失败"
                 else:
                     # 如果是普通文本，则在长度大于100字时，转为图片发送
                     if len(response) > 800:
@@ -453,3 +470,19 @@ class DifyPlugin(MessagePluginInterface):
         """重置所有会话上下文"""
         self.conversations.clear()
         self.last_activity.clear()
+
+    def check_file_type(self, file_path) -> int:
+        if os.path.isfile(file_path):
+            # 获取文件扩展名并转换为小写
+            file_extension = os.path.splitext(file_path)[1].lower()
+
+            if file_extension in IMAGE_EXTENSIONS:
+                return 1
+                # 在此处添加发送图片的逻辑
+            elif file_extension in VIDEO_EXTENSIONS:
+                return 2
+                # 在此处添加发送视频的逻辑
+            else:
+                return 0
+        else:
+            return 0