diff --git a/src/main/java/io/zhile/research/intellij/ier/common/LicenseFileRecord.java b/src/main/java/io/zhile/research/intellij/ier/common/LicenseFileRecord.java
index 9aae294..c16225c 100644
--- a/src/main/java/io/zhile/research/intellij/ier/common/LicenseFileRecord.java
+++ b/src/main/java/io/zhile/research/intellij/ier/common/LicenseFileRecord.java
@@ -14,7 +14,10 @@ public class LicenseFileRecord implements EvalRecord {
 
     public LicenseFileRecord(File file) {
         this.file = file;
-
+        if (file.length() == 0) {
+            expireDate = new Date(~System.currentTimeMillis());
+            return;
+        }
         try (DataInputStream dis = new DataInputStream(new FileInputStream(file))) {
             expireDate = DateTime.DF_DATETIME.format(new Date(~dis.readLong() + 2592000000L));
         } catch (Exception e) {