diff --git a/ljwx-admin/src/service/api/health/user-health-data.ts b/ljwx-admin/src/service/api/health/user-health-data.ts
index 26ec63c..1ffd669 100644
--- a/ljwx-admin/src/service/api/health/user-health-data.ts
+++ b/ljwx-admin/src/service/api/health/user-health-data.ts
@@ -52,6 +52,11 @@ export function fetchUserHealthData(params?: Api.Health.HealthChartSearchParams)
     delete filteredParams.userId;
   }
 
+  // 确保 departmentInfo 有默认值
+  if (!filteredParams.departmentInfo) {
+    filteredParams.departmentInfo = '';
+  }
+
   return request({
     url: '/t_user_health_data/getUserHealthData',
     params: filteredParams
diff --git a/ljwx-admin/src/views/health/chart/index.vue b/ljwx-admin/src/views/health/chart/index.vue
index 20c1eb6..9632087 100644
--- a/ljwx-admin/src/views/health/chart/index.vue
+++ b/ljwx-admin/src/views/health/chart/index.vue
@@ -29,6 +29,7 @@ const searchParams = ref({
   page: 1,
   pageSize: 10,
   departmentInfo: null,
+  orgId: null,
   userId: null,
   startDate,
   endDate,
@@ -117,7 +118,7 @@ async function fetchHealthData() {
   try {
     const response = await fetchUserHealthData({
       customerId: searchParams.value.customerId,
-      orgId: searchParams.value.orgId,
+      departmentInfo: searchParams.value.orgId || '',
       userId: searchParams.value.userId,
       startDate: searchParams.value.startDate,
       endDate: searchParams.value.endDate,
diff --git a/ljwx-admin/src/views/health/chart/modules/health-search.vue b/ljwx-admin/src/views/health/chart/modules/health-search.vue
index af982fc..bb85ec2 100644
--- a/ljwx-admin/src/views/health/chart/modules/health-search.vue
+++ b/ljwx-admin/src/views/health/chart/modules/health-search.vue
@@ -76,6 +76,22 @@ watch(
   }
 );
 
+// 监听departmentInfo变化，同步到orgId字段（保持向后兼容）
+watch(
+  () => model.value.departmentInfo,
+  departmentInfo_val => {
+    // 如果departmentInfo是数组（多选），取第一个值；如果是单选，直接使用
+    if (Array.isArray(departmentInfo_val) && departmentInfo_val.length > 0) {
+      model.value.orgId = departmentInfo_val[0];
+    } else if (departmentInfo_val && !Array.isArray(departmentInfo_val)) {
+      model.value.orgId = departmentInfo_val;
+    } else {
+      model.value.orgId = null;
+    }
+  },
+  { immediate: true }
+);
+
 // 组件挂载时加载特征选项
 onMounted(() => {
   loadFeatureOptions();