REPORT-52087 单元格元素数据列中首次修改字符不会生效

designer-base/src/main/java/com/fr/design/gui/icombobox/LazyComboBox.java

@@ -55,15 +55,19 @@ public abstract class LazyComboBox extends UIComboBox implements PopupMenuListen
 
     @Override
     public void setSelectedItem(Object anObject) {
+        initialSelected = anObject;
         if (loaded) {
             super.setSelectedItem(anObject);
         } else {
-            if (initialSelected == null) {
             this.setModel(new DefaultComboBoxModel<>(new Object[]{anObject}));
-            }
             super.setSelectedItem(anObject);
         }
+
+    }
+
+    private void setSelectedItemWithDocumentChange(Object anObject) {
         initialSelected = anObject;
+        super.setSelectedItem(anObject);
     }
 
     @Override
@@ -185,7 +189,7 @@ public abstract class LazyComboBox extends UIComboBox implements PopupMenuListen
             }
             filtering = true;
             String xx = textField.getText();
-            LazyComboBox.this.setSelectedItem(xx);
+            LazyComboBox.this.setSelectedItemWithDocumentChange(xx);
             this.item = textField.getText();
 
             setPopupVisible(true);