diff --git a/jetbra-server/src/main/java/win/novice/li/controller/LicenseController.java b/jetbra-server/src/main/java/win/novice/li/controller/LicenseController.java
index 3c637be..022f188 100644
--- a/jetbra-server/src/main/java/win/novice/li/controller/LicenseController.java
+++ b/jetbra-server/src/main/java/win/novice/li/controller/LicenseController.java
@@ -73,7 +73,7 @@ public class LicenseController {
 
     @SneakyThrows
     static PrivateKey getPrivateKey() {
-        ClassPathResource licenseKeyResource = new ClassPathResource("jetbra.key");
+        ClassPathResource licenseKeyResource = new ClassPathResource("jetbra.pem");
         Security.addProvider(new BouncyCastleProvider());
         PEMParser pemParser = new PEMParser(new InputStreamReader(licenseKeyResource.getInputStream()));
         JcaPEMKeyConverter converter = new JcaPEMKeyConverter().setProvider("BC");
diff --git a/jetbra-server/src/main/resources/jetbra.key b/jetbra-server/src/main/resources/jetbra.pem
similarity index 100%
rename from jetbra-server/src/main/resources/jetbra.key
rename to jetbra-server/src/main/resources/jetbra.pem