diff --git a/designer-base/src/main/java/com/fr/design/RestartHelper.java b/designer-base/src/main/java/com/fr/design/RestartHelper.java
index 9c14fd4157..f575b2ad4b 100644
--- a/designer-base/src/main/java/com/fr/design/RestartHelper.java
+++ b/designer-base/src/main/java/com/fr/design/RestartHelper.java
@@ -110,8 +110,8 @@ public class RestartHelper {
     private static boolean deleteWhenDebug() {
         File ff = new File(RECORD_FILE);
         Properties properties = new Properties();
-        try {
-            properties.load(new FileInputStream(ff));
+        try (FileInputStream fis = new FileInputStream(ff)) {
+            properties.load(fis);
         } catch (IOException ignore) {
             return true;
         }
@@ -163,7 +163,6 @@ public class RestartHelper {
     }
 
 
-
     /**
      * 重启设计器并删除某些特定的文件
      *
@@ -180,13 +179,13 @@ public class RestartHelper {
             try {
                 File restartLockFile = new File(StableUtils.pathJoin(StableUtils.getInstallHome(), "restart.lock"));
                 StableUtils.makesureFileExist(restartLockFile);
-                randomAccessFile = new RandomAccessFile(restartLockFile,"rw");
+                randomAccessFile = new RandomAccessFile(restartLockFile, "rw");
                 FileChannel restartLockFC = randomAccessFile.getChannel();
                 FileLock restartLock = restartLockFC.tryLock();
-                if(restartLock == null) {
+                if (restartLock == null) {
                     FineLoggerFactory.getLogger().error("restart lock null!");
                 }
-            }catch (Exception e){
+            } catch (Exception e) {
                 FineLoggerFactory.getLogger().error(e.getMessage(), e);
             }
             restartAction.execute(filesToBeDelete);