diff --git a/backend/src/main/java/io/dataease/controller/dataset/DataSetTableController.java b/backend/src/main/java/io/dataease/controller/dataset/DataSetTableController.java
index e2afd79b56..8c36e7f45b 100644
--- a/backend/src/main/java/io/dataease/controller/dataset/DataSetTableController.java
+++ b/backend/src/main/java/io/dataease/controller/dataset/DataSetTableController.java
@@ -23,7 +23,6 @@ import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.annotation.Resource;
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;