diff --git a/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java b/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java
index 0431126..58cb175 100644
--- a/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java
+++ b/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java
@@ -211,7 +211,7 @@ public class WebFileController {
             response.addHeader("Content-Disposition", "attachment;filename=" + result.getFileName() + "." + result.getFileFormat());
             IOUtils.copy(inputStream, outputStream);
         } catch (Exception e) {
-            e.printStackTrace();
+            log.error("WebFileController#download exception", e);
         } finally {
             inputStream.close();
             outputStream.close();
diff --git a/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java b/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java
index 5d2f218..e33c963 100644
--- a/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java
+++ b/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java
@@ -181,7 +181,6 @@ public class AliOssServiceImpl implements AliOssService {
             // 返回uploadId，它是分片上传事件的唯一标识，您可以根据这个uploadId发起相关的操作，如取消分片上传、查询分片上传等。
             return result.getUploadId();
         } catch (Exception e) {
-            e.printStackTrace();
             LogUtil.error("ali oss multipart upload init error = {}", e);
             throw new BizException(MULTIPART_UPLOAD_INIT_ERROR);
         }
@@ -211,7 +210,7 @@ public class AliOssServiceImpl implements AliOssService {
             // 每次上传分片之后，OSS的返回结果包含PartETag。
             return uploadPartResult.getPartETag();
         } catch (Exception e) {
-            e.printStackTrace();
+            log.error("AliOssService#multipartUpload exception", e);
             throw new BizException(MULTIPART_UPLOAD_ERROR);
         }
     }
@@ -266,7 +265,7 @@ public class AliOssServiceImpl implements AliOssService {
             client.completeMultipartUpload(completeMultipartUploadRequest);
             return getUrl(bucketName, tgtFileKey);
         } catch (Exception e) {
-            e.printStackTrace();
+            log.error("AliOssService#multipartUploadFile exception", e);
             throw new BizException(MULTIPART_UPLOAD_ERROR);
         }
     }
@@ -280,7 +279,7 @@ public class AliOssServiceImpl implements AliOssService {
             client.completeMultipartUpload(completeMultipartUploadRequest);
             return getUrl(bucketName, tgtFileKey);
         } catch (Exception e) {
-            e.printStackTrace();
+            log.error("AliOssService#multipartUploadComplete exception", e);
             throw new BizException(MULTIPART_UPLOAD_COMPLETE_ERROR);
         }
     }
diff --git a/oss-service/src/test/java/cn/axzo/oss/test/FileServiceTest.java b/oss-service/src/test/java/cn/axzo/oss/test/FileServiceTest.java
index 1098b4d..ce0d0c0 100644
--- a/oss-service/src/test/java/cn/axzo/oss/test/FileServiceTest.java
+++ b/oss-service/src/test/java/cn/axzo/oss/test/FileServiceTest.java
@@ -8,6 +8,8 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+
+import lombok.extern.slf4j.Slf4j;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 
@@ -17,6 +19,7 @@ import org.springframework.beans.factory.annotation.Autowired;
  * @author: mr.jie
  * @date: 2021-07-29 18:42
  **/
+@Slf4j
 public class FileServiceTest extends SpringTestBase {
 
   @Autowired
@@ -44,9 +47,9 @@ public class FileServiceTest extends SpringTestBase {
     try (FileInputStream fileInputStream = new FileInputStream(file)) {
       fileInputStream.read(bytes);
     } catch (FileNotFoundException e) {
-      e.printStackTrace();
+      log.error("upload FileNotFoundException", e);
     } catch (IOException e) {
-      e.printStackTrace();
+      log.error("upload IOException", e);
     }
 //    System.out.println(Arrays.toString(bytes));
     dto.setFileContent(bytes);