diff --git a/.gitignore b/.gitignore
index e51a417..a0ac83f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ target
 out
 .idea
 index
+logs
diff --git a/lib/logback-classic-1.2.3.jar b/lib/logback-classic-1.2.3.jar
new file mode 100644
index 0000000..51b5b48
Binary files /dev/null and b/lib/logback-classic-1.2.3.jar differ
diff --git a/lib/logback-core-1.2.3.jar b/lib/logback-core-1.2.3.jar
new file mode 100644
index 0000000..b692c26
Binary files /dev/null and b/lib/logback-core-1.2.3.jar differ
diff --git a/lib/slf4j-api-1.7.25.jar b/lib/slf4j-api-1.7.25.jar
new file mode 100644
index 0000000..0143c09
Binary files /dev/null and b/lib/slf4j-api-1.7.25.jar differ
diff --git a/search/src/main/java/file/FileUtil.java b/search/src/main/java/file/FileUtil.java
index 54ccd86..69e0640 100644
--- a/search/src/main/java/file/FileUtil.java
+++ b/search/src/main/java/file/FileUtil.java
@@ -13,6 +13,8 @@
 import org.apache.poi.ss.usermodel.Workbook;
 import org.apache.poi.xwpf.extractor.XWPFWordExtractor;
 import org.apache.poi.xwpf.usermodel.XWPFDocument;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -23,6 +25,7 @@
 
 public class FileUtil {
 
+    final static Logger logger = LoggerFactory.getLogger(FileUtil.class);
     public static List<FileBean> getFolderFiles(String path) {
         List<FileBean> fileBeans = new ArrayList<FileBean>();
         File file = new File(path);
@@ -35,12 +38,13 @@ public static List<FileBean> getFolderFiles(String path) {
                 }
             } else {
                 if (CommonConstants.DOCFILES.contains(extName)) {
+//                    logger.error("Scan file" + path);
                     System.out.println("Scan file:" + path);
                     fileBeans.add(getFilebean(file));
                 }
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            logger.error("", e);
         }
         return fileBeans;
     }
diff --git a/search/target/classes/file/FileUtil.class b/search/target/classes/file/FileUtil.class
index a777958..f96de83 100644
Binary files a/search/target/classes/file/FileUtil.class and b/search/target/classes/file/FileUtil.class differ
diff --git a/ui/src/main/java/logback.xml b/ui/src/main/java/logback.xml
new file mode 100644
index 0000000..e8458f5
--- /dev/null
+++ b/ui/src/main/java/logback.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration debug="true">
+    <timestamp key="timestamp-by-second" datePattern="yyyyMMdd'T'HHmmss"/>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <!-- encoder 默认配置为PatternLayoutEncoder -->
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+    <appender name="FILE" class="ch.qos.logback.core.FileAppender">
+        <file>logs/test-${timestamp-by-second}.log</file>
+        <append>true</append>
+        <encoder>
+            <pattern>%-4relative [%thread] %-5level %logger{35} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+    <root level="debug">
+        <appender-ref ref="FILE" />
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>