diff --git a/src/main/java/com/example/filesystem/controller/OSSOperatorController.java b/src/main/java/com/example/filesystem/controller/OSSOperatorController.java
index 2b6f16e..68c7cb6 100644
--- a/src/main/java/com/example/filesystem/controller/OSSOperatorController.java
+++ b/src/main/java/com/example/filesystem/controller/OSSOperatorController.java
@@ -14,8 +14,6 @@
 
 import javax.annotation.Resource;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Date;
 import java.util.List;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutorService;