diff --git a/healthlink-his-mobile/src/views/Login.vue b/healthlink-his-mobile/src/views/Login.vue
index e0290b0d0..7c491ea02 100644
--- a/healthlink-his-mobile/src/views/Login.vue
+++ b/healthlink-his-mobile/src/views/Login.vue
@@ -7,16 +7,16 @@
     </div>
     <div class="login-form">
       <div class="form-item">
+        <label>用户名</label>
+        <input v-model="form.username" type="text" placeholder="请输入用户名" class="input" @blur="loadTenants" />
+      </div>
+      <div class="form-item" v-if="tenantOptions.length > 0">
         <label>医院/租户</label>
         <select v-model="form.tenantId" class="input" @change="onTenantChange">
           <option value="">请选择医院</option>
           <option v-for="t in tenantOptions" :key="t.value" :value="t.value">{{ t.label }}</option>
         </select>
       </div>
-      <div class="form-item">
-        <label>用户名</label>
-        <input v-model="form.username" type="text" placeholder="请输入用户名" class="input" />
-      </div>
       <div class="form-item">
         <label>密码</label>
         <input v-model="form.password" type="password" placeholder="请输入密码" class="input" @keyup.enter="handleLogin" />
@@ -41,16 +41,12 @@ const currentTenantName = ref('')
 const form = ref({ username: '', password: '', tenantId: '' })
 
 const loadTenants = async () => {
+  if (!form.value.username) return
   try {
-    const res = await authApi.getTenants()
+    const res = await authApi.getUserTenants(form.value.username)
     if (res.code === 200 && res.data) {
-      tenantOptions.value = res.data.map(item => ({ label: item.tenantName, value: item.tenantId || item.id }))
-      const savedTenantId = localStorage.getItem('selectedTenantId')
-      const savedTenantName = localStorage.getItem('selectedTenantName')
-      if (savedTenantId && tenantOptions.value.some(t => t.value == savedTenantId)) {
-        form.value.tenantId = savedTenantId
-        currentTenantName.value = savedTenantName || ''
-      } else if (tenantOptions.value.length === 1) {
+      tenantOptions.value = res.data.map(item => ({ label: item.tenantName, value: item.id }))
+      if (tenantOptions.value.length === 1) {
         form.value.tenantId = tenantOptions.value[0].value
         currentTenantName.value = tenantOptions.value[0].label
       }
@@ -61,13 +57,11 @@ const loadTenants = async () => {
 const onTenantChange = () => {
   const selected = tenantOptions.value.find(t => t.value === form.value.tenantId)
   currentTenantName.value = selected ? selected.label : ''
-  if (selected) {
-    localStorage.setItem('selectedTenantId', selected.value)
-    localStorage.setItem('selectedTenantName', selected.label)
-  }
 }
 
-onMounted(loadTenants)
+onMounted(() => {
+  if (form.value.username) loadTenants()
+})
 
 const handleLogin = async () => {
   if (!form.value.username) { errorMsg.value = '请输入用户名'; return }
@@ -81,14 +75,9 @@ const handleLogin = async () => {
       if (infoRes.code === 200) {
         const user = infoRes.user || {}
         localStorage.setItem('userInfo', JSON.stringify({
-          userId: user.userId,
-          userName: user.userName,
-          nickName: user.nickName,
-          practitionerId: user.practitionerId,
-          orgId: user.orgId,
-          orgName: user.orgName,
-          roles: user.roles,
-          permissions: user.permissions
+          userId: user.userId, userName: user.userName, nickName: user.nickName,
+          practitionerId: user.practitionerId, orgId: user.orgId, orgName: user.orgName,
+          roles: user.roles, permissions: user.permissions
         }))
       }
       ElMessage.success('登录成功')
@@ -98,9 +87,7 @@ const handleLogin = async () => {
     }
   } catch (e) {
     errorMsg.value = e.response?.data?.msg || '登录失败，请检查网络'
-  } finally {
-    loading.value = false
-  }
+  } finally { loading.value = false }
 }
 </script>