diff --git a/src/components/QuickQuote/index.jsx b/src/components/QuickQuote/index.jsx
index 172984e..238015d 100644
--- a/src/components/QuickQuote/index.jsx
+++ b/src/components/QuickQuote/index.jsx
@@ -1298,6 +1298,7 @@ const TreeComponent = props => {
           addState.calcPriceFinished = false;
           addState.backendParamsConfig = [];
           addState.backendConfig = {};
+          addState.downAbleExtraConfigs = [];
           if (manyData.some(item => Object.keys(item).length > 4)) {
             addState.manyData = [];
           }
@@ -3063,6 +3064,7 @@ const BackendParamsExtraComponent = props => {
     })),
     tableConfig: { ...slaveConfig, gdsconfigformslave: viewConfigs },
     iColValueView: 24,
+    viewRow: { sId: slaveRowData.sId },
     getViewRow: config => {
       return sBackProcessData.find(item => item[sParentFieldsName])?.sBackendParams?.find(item => item.sParam === config.showName) || {};
     },
@@ -3100,6 +3102,7 @@ const BackendParamsExtraComponent = props => {
             sParam: showConfig.sParam,
             sParamKey: sFieldName,
           };
+      if (!dropDownDataSelected) return;
       dropDownDataSelected[sFieldName] = dropDownDataSelected.value;
       const { sParam } = dropDownDataSelected;
       const { sBackendParams = [] } = slaveData[iIndex].sBackProcessData[iIndex1];