diff --git a/openhis-ui-vue3/src/views/catalog/diagnosistreatment/components/diagnosisTreatmentDialog.vue b/openhis-ui-vue3/src/views/catalog/diagnosistreatment/components/diagnosisTreatmentDialog.vue
index 6c864519..3bd2b641 100755
--- a/openhis-ui-vue3/src/views/catalog/diagnosistreatment/components/diagnosisTreatmentDialog.vue
+++ b/openhis-ui-vue3/src/views/catalog/diagnosistreatment/components/diagnosisTreatmentDialog.vue
@@ -474,6 +474,10 @@ function calculateTotalPrice() {
       }
     });
     totalPrice.value = sum.toFixed(2);
+    // Bug #464: 零售价与诊疗子项合计总价实时同步
+    if (treatmentItems.value.length > 0 && treatmentItems.value[0].adviceDefinitionId !== '') {
+      form.value.retailPrice = parseFloat(totalPrice.value);
+    }
   } catch (error) {
     totalPrice.value = '0.00';
     proxy.$modal.msgWarning('价格计算过程中遇到错误，请检查输入数据');