diff --git a/designer-base/src/main/java/com/fr/design/gui/icombobox/SearchPreTaskTreeComboBox.java b/designer-base/src/main/java/com/fr/design/gui/icombobox/SearchPreTaskTreeComboBox.java
index 9e453471e..9ee2a5949 100644
--- a/designer-base/src/main/java/com/fr/design/gui/icombobox/SearchPreTaskTreeComboBox.java
+++ b/designer-base/src/main/java/com/fr/design/gui/icombobox/SearchPreTaskTreeComboBox.java
@@ -1,5 +1,6 @@
 package com.fr.design.gui.icombobox;
 
+import com.fr.design.ui.util.UIUtil;
 import com.fr.log.FineLoggerFactory;
 
 import javax.swing.JTree;
@@ -64,7 +65,12 @@ public class SearchPreTaskTreeComboBox extends FRTreeComboBox {
                         // 任务执行后置空，否则会被别的操作重复触发
                         setPreSearchTask(null);
                     }
-                    search();
+                    UIUtil.invokeLaterIfNeeded(new Runnable() {
+                        @Override
+                        public void run() {
+                            search();
+                        }
+                    });
                     return null;
                 }
             }.execute();