diff --git a/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java b/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java
index 27018e6e0..74bf3fe76 100644
--- a/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java
+++ b/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java
@@ -290,6 +290,11 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula {
         initTextPane();
         initTipsPane();
         initVariableTreeAndDescriptionArea();
+        refocusInWindow();
+    }
+
+    public void refocusInWindow() {
+        SwingUtilities.invokeLater(() -> formulaTextArea.requestFocusInWindow());
     }
 
     private void initVariableTreeAndDescriptionArea() {