diff --git a/com.twin.app.shoptime/src/views/DetailPanel/components/BuyOption.jsx b/com.twin.app.shoptime/src/views/DetailPanel/components/BuyOption.jsx
index 7004b1b1..717e9f11 100644
--- a/com.twin.app.shoptime/src/views/DetailPanel/components/BuyOption.jsx
+++ b/com.twin.app.shoptime/src/views/DetailPanel/components/BuyOption.jsx
@@ -1087,6 +1087,46 @@ const BuyOption = ({
       optionForUse?.optNm || optionForUse?.prodOptCval || '';
 
     if (!isMock) {
+      if (
+        productOptionInfos &&
+        productOptionInfos.length > 1 &&
+        productInfo?.optProdYn === 'Y'
+      ) {
+
+        if (selectFirstOptionIndex === 0) {
+          dispatch(
+            showError(
+              null,
+              "PLEASE SELECT OPTION",
+              false,
+              null,
+              null
+            )
+          );
+
+          return;
+        }
+      }
+      if (
+        productOptionInfos[selectedBtnOptIdx]?.prdtOptDtl &&
+        productOptionInfos[selectedBtnOptIdx]?.prdtOptDtl.length > 1 &&
+        productInfo?.optProdYn === 'Y'
+      ) {
+
+        if (selectSecondOptionIndex === 0) {
+          dispatch(
+            showError(
+              null,
+              "PLEASE SELECT OPTION",
+              false,
+              null,
+              null
+            )
+          );
+
+          return;
+        }
+      }
       dispatch(
         insertMyinfoCart({          
           mbrNo: userNumber,