diff --git a/src/UI/Store/RightPanelStore/ModelingStore.ts b/src/UI/Store/RightPanelStore/ModelingStore.ts
index 7b73a0e9c..a1ca68729 100644
--- a/src/UI/Store/RightPanelStore/ModelingStore.ts
+++ b/src/UI/Store/RightPanelStore/ModelingStore.ts
@@ -83,11 +83,29 @@ export class ModelingStore implements IConfigStore
         observable(this.modelingItems).replace(cof.option as IModelingItem[]);
         for (let i = 0; i < this.modelingItems.length; i++)
         {
-            this.UIModelingItems[i].height = this.modelingItems[i].height.toString();
-            this.UIModelingItems[i].knifeRad = this.modelingItems[i].knifeRad.toString();
-            this.UIModelingItems[i].addLen = this.modelingItems[i].addLen.toString();
-            this.UIModelingItems[i].addWidth = this.modelingItems[i].addWidth?.toString() || "0";
-            this.UIModelingItems[i].addDepth = this.modelingItems[i].addDepth?.toString() || "0";
+            const Item = this.modelingItems[i];
+            const Item_UI = this.UIModelingItems[i];
+            Item_UI.height = Item.height.toString();
+            Item_UI.knifeRad = Item.knifeRad.toString();
+            Item_UI.addLen = Item.addLen.toString();
+
+            //旧版本addWidth/addDepth = undefined 保存配置时未能正确保存
+            //undefined会导致拆单时含有槽加长的造型的板件报错
+            if (!Item.addWidth)
+            {
+                Item.addWidth = 0;
+                Item_UI.addWidth = "0";
+            }
+            else
+                Item_UI.addWidth = Item.addWidth.toString();
+
+            if (!Item.addDepth)
+            {
+                Item.addDepth = 0;
+                Item_UI.addDepth = "0";
+            }
+            else
+                Item_UI.addDepth = Item.addDepth.toString();
         }
     }
 }