REPORT-42913 之前想多了，这个在调用的时候还没开始渲染整个左侧的面板，此时拿不到父容器高度

designer-base/src/main/java/com/fr/design/gui/icontainer/UIResizableContainer.java

@@ -164,7 +164,7 @@ public class UIResizableContainer extends JPanel {
      * @param toolPaneY
      */
     public void setLastToolPaneY(int toolPaneY) {
-        this.toolPaneY = Math.min(toolPaneY, (getHeight() - toolPaneHeight));
+        this.toolPaneY = toolPaneY;
     }
 
     /**