REPORT-102440 fix:清除公式内容后不显示"$$$"

designer-base/src/main/java/com/fr/design/formula/TinyFormulaPane.java

@@ -11,9 +11,11 @@ import com.fr.design.gui.itextfield.UITextField;
 import com.fr.design.layout.TableLayout;
 import com.fr.design.mainframe.DesignerContext;
 
-
-import javax.swing.*;
-import java.awt.*;
+import javax.swing.BorderFactory;
+import javax.swing.JPanel;
+import java.awt.BorderLayout;
+import java.awt.Cursor;
+import java.awt.Dimension;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 
@@ -63,11 +65,7 @@ public class TinyFormulaPane extends BasicBeanPane<String> implements UIObserver
 	}
 
 	protected void populateTextField(BaseFormula fm) {
-		if (fm.getContent().length() <= 1) {
-			formulaTextField.setText("$$$");
-		} else {
-			formulaTextField.setText(fm.getContent());
-		}
+		formulaTextField.setText(fm.getContent());
 	}
 
 	protected void initLayout() {