diff --git a/src/main/java/com/peanut/modules/book/controller/BookChapterContentController.java b/src/main/java/com/peanut/modules/book/controller/BookChapterContentController.java
index e39e8a5a..c3d10964 100644
--- a/src/main/java/com/peanut/modules/book/controller/BookChapterContentController.java
+++ b/src/main/java/com/peanut/modules/book/controller/BookChapterContentController.java
@@ -17,17 +17,14 @@ import com.peanut.modules.oss.service.OssService;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.io.IOUtils;
-import org.bytedeco.javacv.FFmpegFrameGrabber;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.mock.web.MockMultipartFile;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.util.FileCopyUtils;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
-
 import org.springframework.web.multipart.MultipartFile;