diff --git a/backend/src/main/java/io/metersphere/service/LicenseService.java b/backend/src/main/java/io/metersphere/service/LicenseService.java
index 8636d4ae0e..25e46b3d18 100644
--- a/backend/src/main/java/io/metersphere/service/LicenseService.java
+++ b/backend/src/main/java/io/metersphere/service/LicenseService.java
@@ -5,6 +5,6 @@ import io.metersphere.dto.LicenseDTO;
 public interface LicenseService {
 
     public LicenseDTO valid();
-    
+
     public LicenseDTO addValidLicense(String reqLicenseCode);
 }