diff --git a/openhis-ui-vue3/src/views/doctorstation/components/prescription/prescriptionlist.vue b/openhis-ui-vue3/src/views/doctorstation/components/prescription/prescriptionlist.vue
index 0bfa62f3d..abff1809c 100755
--- a/openhis-ui-vue3/src/views/doctorstation/components/prescription/prescriptionlist.vue
+++ b/openhis-ui-vue3/src/views/doctorstation/components/prescription/prescriptionlist.vue
@@ -2078,10 +2078,17 @@ function selectAdviceBase(key, row) {
   }
 }
 
+// 🔧 Bug #455: 缓存 org 列表加载 Promise，确保 setValue 中可 await 避免竞态条件
+let orgListPromise = null;
+
 function getOrgList() {
-  getOrgTree().then((res) => {
-    organization.value = res.data.records;
-  });
+  if (!orgListPromise) {
+    orgListPromise = getOrgTree().then((res) => {
+      organization.value = res.data.records;
+      return organization.value;
+    });
+  }
+  return orgListPromise;
 }
 
 /** 诊疗医嘱关联检验申请时 contentJson 含 applyNo */
@@ -3453,7 +3460,9 @@ async function setValue(row) {
   console.log('[BugFix] setValue - prescriptionList[rowIndex].adviceType_dictText:', prescriptionList.value[rowIndex.value].adviceType_dictText);
   // 🔧 Bug #455: 诊疗医嘱(adviceType=3)的执行科室默认使用患者就诊科室，
   // 不使用positionId(诊疗目录配置的执行科室)，避免配置ID不在机构树中导致显示原始ID
+  // 关键修复：await organization 加载完成，确保 findOrgNameById 能正确查找到科室名称
   if (Number(row.adviceType) == 3) {
+    await getOrgList();
     // 覆盖 catalog 传来的 positionId/orgId，使用患者就诊科室
     prescriptionList.value[rowIndex.value].orgId = props.patientInfo?.orgId;
     prescriptionList.value[rowIndex.value].positionId = props.patientInfo?.orgId;