diff --git a/designer-base/src/main/java/com/fr/design/carton/EventDispatchThreadHangMonitor.java b/designer-base/src/main/java/com/fr/design/carton/EventDispatchThreadHangMonitor.java
index 36c6cff5c2..c0f6b13ca7 100644
--- a/designer-base/src/main/java/com/fr/design/carton/EventDispatchThreadHangMonitor.java
+++ b/designer-base/src/main/java/com/fr/design/carton/EventDispatchThreadHangMonitor.java
@@ -171,7 +171,7 @@ public final class EventDispatchThreadHangMonitor extends EventQueue {
         int month = StringUtils.isEmpty(split[1]) ? -1 : Integer.parseInt(split[1]);
         String dirPath = StableUtils.pathJoin(JOURNAL_FILE_PATH, split[0], "month-" + month, date);
         File dirFile = new File(dirPath);
-        File file = new File( StableUtils.pathJoin(dirPath, File.separator, filename));
+        File file = new File( StableUtils.pathJoin(dirPath, filename));
         try {
             if (!file.exists()) {
                 if (!dirFile.exists()) {