diff --git a/designer-base/src/main/java/com/fr/design/data/datapane/ChoosePane.java b/designer-base/src/main/java/com/fr/design/data/datapane/ChoosePane.java
index 572b65287b..b5bc39e4eb 100644
--- a/designer-base/src/main/java/com/fr/design/data/datapane/ChoosePane.java
+++ b/designer-base/src/main/java/com/fr/design/data/datapane/ChoosePane.java
@@ -98,7 +98,6 @@ public class ChoosePane extends BasicBeanPane<DataBaseItems> implements Refresha
             FutureTask<Void> task = new FutureTask<Void>(new Callable<Void>() {
                 @Override
                 public Void call() throws Exception {
-                    Thread.sleep(4000);
                     calculateTableDataNames();
                     return null;
                 }