diff --git a/README.md b/README.md
index 202450a..2175c16 100644
--- a/README.md
+++ b/README.md
@@ -111,7 +111,7 @@ npm run dist
 支持兼容 OpenAI Chat Completions 格式的任意多模态模型：
 
 - 默认接口：`https://api.siliconflow.cn/v1/chat/completions`
-- 默认模型：`gpt-4o`
+- 默认模型：用户手动配置
 - 返回格式：结构化 JSON（评分、置信度、扣分明细、评语）
 
 ---
diff --git a/electron/main/ipc.ts b/electron/main/ipc.ts
index 019e1df..870d910 100644
--- a/electron/main/ipc.ts
+++ b/electron/main/ipc.ts
@@ -13,7 +13,7 @@ function getStore() {
       defaults: {
         apiKey: '',
         baseUrl: 'https://api.siliconflow.cn/v1',
-        model: 'gpt-4o',
+        model: '',
         shortcut: 'Alt+Q',
         theme: 'light',
         fontSize: 14,
@@ -167,7 +167,7 @@ export function setupIpc(win: BrowserWindow): void {
       const apiMsg = res?.error?.message || res?.error || res?.message || ''
       const allMsg = (apiMsg + ' ' + (err.message || '')).toLowerCase()
       if (allMsg.includes('does not support image') || allMsg.includes('image input') || allMsg.includes('not support image')) {
-        throw new Error('当前模型不支持图片输入，请在设置中更换为支持多模态的模型（如 gpt-4o、qwen-vl 等）')
+        throw new Error('当前模型不支持图片输入，请在设置中更换为支持多模态的视觉模型')
       }
       throw new Error(apiMsg || err.message || 'AI grading failed')
     }
diff --git a/src/components/SettingDialog.vue b/src/components/SettingDialog.vue
index 23b685d..1c83f6d 100644
--- a/src/components/SettingDialog.vue
+++ b/src/components/SettingDialog.vue
@@ -10,10 +10,16 @@
       </el-form-item>
 
       <el-form-item label="模型">
-        <el-select v-model="form.model" style="width: 100%">
-          <el-option label="Qwen/Qwen3.6-35B-A3B" value="Qwen/Qwen3.6-35B-A3B" />
-          <el-option label="Qwen/Qwen2.5-32B-Instruct" value="Qwen/Qwen2.5-32B-Instruct" />
-        </el-select>
+        <el-input v-model="form.model" placeholder="手动输入模型名称" />
+        <div style="margin-top: 6px; display: flex; flex-wrap: wrap; gap: 6px;">
+          <el-tag
+            v-for="m in visionModels"
+            :key="m"
+            size="small"
+            style="cursor:pointer"
+            @click="form.model = m"
+          >{{ m }}</el-tag>
+        </div>
       </el-form-item>
 
       <el-form-item label="快捷键">
@@ -60,6 +66,15 @@ import { ElMessage } from 'element-plus'
 import { useAppStore } from '@/stores/app'
 import { useSettingsStore } from '@/stores/settings'
 
+const visionModels = [
+  'Qwen/Qwen2.5-32B-Instruct',
+  'Qwen/Qwen3.6-35B-A3B',
+  'gpt-4o',
+  'claude-3-5-sonnet-20241022',
+  'gemini-2.0-flash-exp',
+  'deepseek-vl2'
+]
+
 const appStore = useAppStore()
 const settingsStore = useSettingsStore()
 
diff --git a/src/stores/settings.ts b/src/stores/settings.ts
index 45b24c6..0573cc8 100644
--- a/src/stores/settings.ts
+++ b/src/stores/settings.ts
@@ -6,7 +6,7 @@ export const useSettingsStore = defineStore('settings', () => {
   const settings = ref<AppSettings>({
     apiKey: '',
     baseUrl: 'https://api.siliconflow.cn/v1',
-    model: 'gpt-4o',
+    model: '',
     shortcut: 'Alt+Q',
     theme: 'light',
     fontSize: 14,