diff --git a/openhis-ui-vue3/src/views/doctorstation/components/diagnosis/infectiousDiseaseReportDialog.vue b/openhis-ui-vue3/src/views/doctorstation/components/diagnosis/infectiousDiseaseReportDialog.vue
index d6afa69aa..6ac8cb6a7 100755
--- a/openhis-ui-vue3/src/views/doctorstation/components/diagnosis/infectiousDiseaseReportDialog.vue
+++ b/openhis-ui-vue3/src/views/doctorstation/components/diagnosis/infectiousDiseaseReportDialog.vue
@@ -1318,7 +1318,11 @@ async function show(diagnosisData) {
     // 系统关联信息
     encounterId: patientInfo.encounterId || '', // 就诊ID
     patientId: patientInfo.patientId || '', // 患者ID
-    diagnosisId: diagnosisData?.conditionId || diagnosisData?.definitionId || '', // 诊断ID
+    diagnosisId: (diagnosisData?.conditionId != null && diagnosisData?.conditionId !== '')
+      ? diagnosisData.conditionId
+      : (diagnosisData?.definitionId != null && diagnosisData?.definitionId !== '')
+        ? diagnosisData.definitionId
+        : '', // 诊断ID
   };
 
   // 更新selectedDiseases数组
@@ -1373,7 +1377,7 @@ async function buildSubmitData() {
   const submitData = {
     cardNo: formData.cardNo,
     visitId: props.patientInfo?.encounterId || formData.encounterId || null,
-    diagId: formData.diagnosisId || null,
+    diagId: formData.diagnosisId ? Number(formData.diagnosisId) : null,
     patId: formData.patientId || null,
     idType: 1, // 默认身份证
     idNo: formData.idNo,
@@ -1539,6 +1543,12 @@ async function handleSubmit() {
       return;
     }
 
+    // 检查诊断ID是否有效（后端 @NotNull 校验要求）
+    if (!form.value.diagnosisId) {
+      proxy.$modal.msgError('诊断信息不完整，请重新选择诊断后重试');
+      return;
+    }
+
     // 开始加载状态，防止重复提交
     submitLoading.value = true;