diff --git a/YLErpWeb/wwwroot/Scripts/app/pricing/structure.js b/YLErpWeb/wwwroot/Scripts/app/pricing/structure.js
index fbd8e5df..efb5a424 100644
--- a/YLErpWeb/wwwroot/Scripts/app/pricing/structure.js
+++ b/YLErpWeb/wwwroot/Scripts/app/pricing/structure.js
@@ -1470,6 +1470,12 @@ const vueTrade = function () {
             //更新标的
             updateUnderlying(reqData, fromSelect) {
                 let self = this;
+                // EQD-7049：新建空白页未选标的/品种/类型时，跳过必然失败的后端默认标的查询，避免报“标的信息缺失”
+                var hasQueryKey = !!(reqData.UnderlyingCode || reqData.InstrumentType || reqData.VarietyId > 0);
+                if (!hasQueryKey) {
+                    !fromSelect && (self.viewState.underlying = tradeHelper.getEmptyUnderlying());
+                    return;
+                }
                 var instTypeChanged = !!reqData.InstrumentType;
                 !fromSelect && (self.viewState.underlying = tradeHelper.getEmptyUnderlying());
                 main.post("/pricing/AjaxGetUnderlying", reqData).done(function (resp) {
diff --git a/YLErpWeb/wwwroot/Scripts/app/pricing/structure_dz.js b/YLErpWeb/wwwroot/Scripts/app/pricing/structure_dz.js
index 39b10060..e5636152 100644
--- a/YLErpWeb/wwwroot/Scripts/app/pricing/structure_dz.js
+++ b/YLErpWeb/wwwroot/Scripts/app/pricing/structure_dz.js
@@ -1084,6 +1084,12 @@ const vueTrade = function () {
             //更新标的
             updateUnderlying(reqData, fromSelect) {
                 let self = this;
+                // EQD-7049：新建空白页未选标的/品种/类型时，跳过必然失败的后端默认标的查询，避免报“标的信息缺失”
+                var hasQueryKey = !!(reqData.UnderlyingCode || reqData.InstrumentType || reqData.VarietyId > 0);
+                if (!hasQueryKey) {
+                    !fromSelect && (self.viewState.underlying = tradeHelper.getEmptyUnderlying());
+                    return;
+                }
                 var instTypeChanged = !!reqData.InstrumentType;
                 !fromSelect && (self.viewState.underlying = tradeHelper.getEmptyUnderlying());
                 main.post("/pricing/AjaxGetUnderlying", reqData).done(function (resp) {