diff --git a/designer/src/com/fr/design/dscolumn/SelectedDataColumnPane.java b/designer/src/com/fr/design/dscolumn/SelectedDataColumnPane.java
index bb52b766c3..4a269baab5 100644
--- a/designer/src/com/fr/design/dscolumn/SelectedDataColumnPane.java
+++ b/designer/src/com/fr/design/dscolumn/SelectedDataColumnPane.java
@@ -37,6 +37,8 @@ import java.awt.event.ItemEvent;
 import java.awt.event.ItemListener;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 import java.util.regex.Pattern;
 
 /**
@@ -259,10 +261,20 @@ public class SelectedDataColumnPane extends BasicPane {
 
     protected void initTableNameComboBox() {
         tableNameComboBox = new TableDataComboBox(DesignTableDataManager.getEditingTableDataSource());
+        ExecutorService executorService = Executors.newSingleThreadExecutor();
         tableNameComboBox.addItemListener(new ItemListener() {
             @Override
             public void itemStateChanged(ItemEvent e) {
-                columnNameComboBox.setLoaded(false);
+                if (e.getStateChange() == ItemEvent.SELECTED) {
+                    executorService.execute(new Runnable() {
+                        @Override
+                        public void run() {
+                            synchronized (columnNameComboBox) {
+                                columnNameComboBox.loadInstant();
+                            }
+                        }
+                    });
+                }
             }
         });
         tableNameComboBox.setPreferredSize(new Dimension(100, 20));
diff --git a/designer_base/src/com/fr/design/gui/icombobox/LazyComboBox.java b/designer_base/src/com/fr/design/gui/icombobox/LazyComboBox.java
index 2d69c2fc83..43711b0118 100644
--- a/designer_base/src/com/fr/design/gui/icombobox/LazyComboBox.java
+++ b/designer_base/src/com/fr/design/gui/icombobox/LazyComboBox.java
@@ -59,14 +59,11 @@ public abstract class LazyComboBox extends UIComboBox implements PopupMenuListen
 	}
 
 	/**
-	 * 通过调用该方法，在点击下拉框按钮之前就加载好数据
+	 * 通过调用该方法，在点击下拉框按钮之前就加载好数据,不需要出现loading了
 	 */
 	public void loadInstant() {
-		if (loaded) {
-			return;
-		}
-		setModel(new DefaultComboBoxModel(load()));
-		loaded = true;
+		setLoaded(true);
+		loadList();
 	}
 
 	@Override