diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index 395e51a..88f5756 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -814,9 +814,17 @@ const Meeting: React.FC = () => {
                 <Button type="primary" style={{ backgroundColor: '#31353A' }}
                   onClick={() => {
                     const file = document.createElement("input") as any;
+                    file.accept = "image/*,.doc,.docx,.ppt,.pptx,.xls,.xlsx,application/pdf";
                     file.type = "file";
                     file.onchange = async () => {
                       const fileInfo = file.files[0];
+                      const maxSize = 100 * 1024 * 1024; // 100MB in bytes
+
+                      if (fileInfo.size > maxSize) {
+                        message.error('文件太大！请上传小于100MB的文件。')
+                        // 清除文件输入框的值，以便用户可以选择其他文件
+                        return
+                      }
                       const fileType = fileInfo.name.split('.');
                       const fileTypeName = fileType[fileType.length - 1];
                       await GetRoomUpFileurl(state.channelId, fileTypeName).then(async res => {