diff --git a/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/file/FileUtils.java b/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/file/FileUtils.java
index f32a2c1765..975b456369 100644
--- a/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/file/FileUtils.java
+++ b/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/file/FileUtils.java
@@ -11,7 +11,7 @@ import cn.iocoder.yudao.framework.common.util.string.StringUtils;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.SneakyThrows;
-import lombok.extern.log4j.Log4j2;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.ArrayUtils;
 
 import java.io.*;
@@ -23,7 +23,7 @@ import java.nio.charset.StandardCharsets;
  *
  * @author 范劲松
  */
-@Log4j2
+@Slf4j
 public class FileUtils {
     /**
      * 字符常量：斜杠 {@code '/'}
@@ -108,7 +108,7 @@ public class FileUtils {
                 }
             }
         }
-//        log.info("byte string: {}", new String(data));
+        log.info("byte string: {}", new String(data));
         return Base64.encode(data);
     }
 
diff --git a/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/file/PicUtils.java b/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/file/PicUtils.java
index b8c264dd71..a52f9925de 100644
--- a/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/file/PicUtils.java
+++ b/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/file/PicUtils.java
@@ -1,6 +1,6 @@
 package cn.iocoder.yudao.framework.common.util.file;
 
-import lombok.extern.log4j.Log4j2;
+import lombok.extern.slf4j.Slf4j;
 import net.coobird.thumbnailator.Thumbnails;
 
 import java.io.ByteArrayInputStream;
@@ -11,7 +11,7 @@ import java.io.ByteArrayOutputStream;
  *
  * @author 范劲松
  */
-@Log4j2
+@Slf4j
 public class PicUtils {
 
     /**