存在空指针异常的可能性，增加一个判断语句

designer-realize/src/main/java/com/fr/design/parameter/ParameterDefinitePane.java

@@ -425,8 +425,10 @@ public class ParameterDefinitePane extends JPanel implements ToolBarMenuDockPlus
         if (propertyChangeListener != null) {
             propertyChangeListener.propertyChange();
         }
+        if (workBook != null) {
             workBook.setAutoHeightForCenterPane();
         }
+    }
 
     /**
      * 将参数增加到带查询按钮的编辑器中
@@ -446,8 +448,10 @@ public class ParameterDefinitePane extends JPanel implements ToolBarMenuDockPlus
         if (propertyChangeListener != null) {
             propertyChangeListener.propertyChange();
         }
+        if (workBook != null) {
             workBook.setAutoHeightForCenterPane();
         }
+    }
 
     /**
      * 将所有的参数增加到编辑器中
@@ -469,8 +473,10 @@ public class ParameterDefinitePane extends JPanel implements ToolBarMenuDockPlus
         if (propertyChangeListener != null) {
             propertyChangeListener.propertyChange();
         }
+        if (workBook != null) {
             workBook.setAutoHeightForCenterPane();
         }
+    }
 
     /**
      * 检查提交按钮