diff --git a/src/components/QuickQuote/index.jsx b/src/components/QuickQuote/index.jsx
index b219013..efa62cd 100644
--- a/src/components/QuickQuote/index.jsx
+++ b/src/components/QuickQuote/index.jsx
@@ -1396,7 +1396,8 @@ const MasterComponent = props => {
     });
   }
   const lengthData = viewConfigs.find(x => x.sName === "dLength");
-  if (selectedNode.sTypeKey !== "danye") {
+  
+  if (selectedNode && selectedNode.sTypeKey && selectedNode.sTypeKey !== "danye") {
     if (lengthData) {
       lengthData.showName = "高(D)";
       lengthData.sChinese = "高(D)";