diff --git a/openhis-ui-vue3/src/views/inpatientNurse/medicalOrderProofread/components/prescriptionList.vue b/openhis-ui-vue3/src/views/inpatientNurse/medicalOrderProofread/components/prescriptionList.vue
index 4779c5e02..e362b5959 100755
--- a/openhis-ui-vue3/src/views/inpatientNurse/medicalOrderProofread/components/prescriptionList.vue
+++ b/openhis-ui-vue3/src/views/inpatientNurse/medicalOrderProofread/components/prescriptionList.vue
@@ -182,8 +182,16 @@ function handleRadioChange() {
 
 function handleGetPrescription() {
   if (patientInfoList.value.length > 0) {
+    // 过滤掉 encounterId 无效的患者节点，防止后端 SQL 解析异常
+    const validEncounterIds = patientInfoList.value
+      .map((i) => i.encounterId)
+      .filter((id) => id !== undefined && id !== null && id !== '');
+    if (validEncounterIds.length === 0) {
+      proxy.$message.warning('请选择有效的患者');
+      return;
+    }
     loading.value = true;
-    let encounterIds = patientInfoList.value.map((i) => i.encounterId).join(',');
+    let encounterIds = validEncounterIds.join(',');
     getPrescriptionList({
       encounterIds: encounterIds,
       requestStatus: props.requestStatus,