diff --git a/pig-common/pig-common-bom/pom.xml b/pig-common/pig-common-bom/pom.xml
index 61e63c1c..1c5b8fac 100644
--- a/pig-common/pig-common-bom/pom.xml
+++ b/pig-common/pig-common-bom/pom.xml
@@ -23,7 +23,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <git.commit.plugin>4.9.9</git.commit.plugin>
         <spring.checkstyle.plugin>0.0.29</spring.checkstyle.plugin>
-        <fastjson.version>1.2.78</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <springdoc.version>1.6.6</springdoc.version>
         <swagger.core.version>2.2.0</swagger.core.version>
         <mybatis-plus.version>3.5.1</mybatis-plus.version>
diff --git a/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/SysFileService.java b/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/SysFileService.java
index e7808bce..3d49531e 100644
--- a/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/SysFileService.java
+++ b/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/SysFileService.java
@@ -53,7 +53,7 @@ public interface SysFileService extends IService<SysFile> {
 	 * @return
 	 */
 	Boolean deleteFile(Long id);
-	
+
 	/**
 	 * 获取外网访问地址
 	 * @param bucket
@@ -61,4 +61,5 @@ public interface SysFileService extends IService<SysFile> {
 	 * @return
 	 */
 	String onlineFile(String bucket, String fileName);
+
 }
diff --git a/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/impl/SysFileServiceImpl.java b/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/impl/SysFileServiceImpl.java
index 0ac85099..15973b1c 100644
--- a/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/impl/SysFileServiceImpl.java
+++ b/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/impl/SysFileServiceImpl.java
@@ -36,6 +36,8 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.servlet.http.HttpServletResponse;
+import java.time.Duration;
+import java.time.temporal.ChronoUnit;
 import java.util.HashMap;
 import java.util.Map;