diff --git a/backend/src/main/java/io/dataease/service/system/SystemParameterService.java b/backend/src/main/java/io/dataease/service/system/SystemParameterService.java
index ab24997225..1a85f3046b 100644
--- a/backend/src/main/java/io/dataease/service/system/SystemParameterService.java
+++ b/backend/src/main/java/io/dataease/service/system/SystemParameterService.java
@@ -26,7 +26,6 @@ import javax.imageio.ImageIO;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.*;
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
 
 import io.dataease.ext.*;