diff --git a/openhis-ui-vue3/src/views/doctorstation/components/diagnosis/diagnosis.vue b/openhis-ui-vue3/src/views/doctorstation/components/diagnosis/diagnosis.vue
index 0365b8802..3eb4828cf 100755
--- a/openhis-ui-vue3/src/views/doctorstation/components/diagnosis/diagnosis.vue
+++ b/openhis-ui-vue3/src/views/doctorstation/components/diagnosis/diagnosis.vue
@@ -636,6 +636,8 @@ async function handleSaveDiagnosis() {
     saveLoading.value = true;
 
     // 保存前按排序号排序，并转换日期格式为后端期望的格式 yyyy/M/d HH:mm:ss
+    // 同时保留 longTermFlag 供 getList 刷新后恢复（后端 getEncounterDiagnosis 不返回此字段）
+    const longTermFlagBackup = form.value.diagnosisList.map(item => item.longTermFlag);
     const diagnosisChildList = form.value.diagnosisList.map(item => ({
       ...item,
       onsetDate: item.onsetDate ? formatDateStr(item.onsetDate, 'YYYY/M/D HH:mm:ss') : null,
@@ -652,6 +654,12 @@ async function handleSaveDiagnosis() {
     if (res.code === 200) {
       // 刷新树和列表数据（等待列表数据加载完成，确保获取到reportTypeCode）
       await getList();
+      // 恢复 longTermFlag（后端查询接口不返回此字段，需从本地备份恢复）
+      form.value.diagnosisList.forEach((item, index) => {
+        if (longTermFlagBackup[index] !== undefined) {
+          item.longTermFlag = longTermFlagBackup[index];
+        }
+      });
       getTree();
       emits('diagnosisSave', false);
       proxy.$modal.msgSuccess('诊断已保存并按排序号排序');