diff --git a/pages/index/index.vue b/pages/index/index.vue
index 881039b..b29449f 100644
--- a/pages/index/index.vue
+++ b/pages/index/index.vue
@@ -140,17 +140,18 @@ import ProfilePage from '../profile/profile.vue'
 
 type Institution = {
 	id: string
+	code: string
 	name: string
 	city: string
 	typeName: string
 }
 
 const institutions: Institution[] = [
-	{ id: '1', name: '协和医学院', city: '北京', typeName: '医学院校' },
-	{ id: '2', name: '四川大学华西医院', city: '成都', typeName: '三甲医院' },
-	{ id: '3', name: '复旦大学附属中山医院', city: '上海', typeName: '三甲医院' },
-	{ id: '4', name: '中山大学孙逸仙纪念医院', city: '广州', typeName: '三甲医院' },
-	{ id: 'others', name: '其他机构', city: '其他', typeName: '手动登记' }
+	{ id: 'H001', code: 'H001', name: '协和医学院', city: '北京', typeName: '医学院校' },
+	{ id: 'H002', code: 'H002', name: '四川大学华西医院', city: '成都', typeName: '三甲医院' },
+	{ id: 'H003', code: 'H003', name: '复旦大学附属中山医院', city: '上海', typeName: '三甲医院' },
+	{ id: 'H004', code: 'H004', name: '中山大学孙逸仙纪念医院', city: '广州', typeName: '三甲医院' },
+	{ id: 'OTHER', code: 'OTHER', name: '其他机构', city: '其他', typeName: '手动登记' }
 ]
 
 const form = reactive({
@@ -239,14 +240,17 @@ function handleLogin() {
 	submitting.value = true
 	loginWithCode({
 		phone: form.phone,
-		code: form.code
+		code: form.code,
+		institution_code: selectedInstitution.value.code,
+		institution_name: selectedInstitution.value.name
 	}).then(result => {
 		const backendUser = result.user || {}
 		const normalizedUser = {
 			...backendUser,
 			id: backendUser.id ? String(backendUser.id) : '',
 			phone: backendUser.phone || form.phone,
-			institutionId: selectedInstitution.value?.id || '',
+			institutionId: selectedInstitution.value?.code || '',
+			institutionCode: selectedInstitution.value?.code || '',
 			institutionName: selectedInstitution.value?.name || ''
 		}