diff --git a/i18n.js b/i18n.js
index 502973e..925749d 100644
--- a/i18n.js
+++ b/i18n.js
@@ -210,12 +210,12 @@ const i18n = {
             'ai_providers.openai_model_name_placeholder': '模型名称，如 moonshotai/kimi-k2:free',
             'ai_providers.openai_model_alias_placeholder': '模型别名 (可选)',
             'ai_providers.openai_models_add_btn': '添加模型',
-            'ai_providers.openai_models_fetch_button': '从 /v1/model 获取',
-            'ai_providers.openai_models_fetch_title': '从 /v1/model 选择模型',
-            'ai_providers.openai_models_fetch_hint': '使用上方 Base URL 调用 /v1/model 端点，附带首个 API Key（Bearer）与自定义请求头。',
+            'ai_providers.openai_models_fetch_button': '从 /v1/models 获取',
+            'ai_providers.openai_models_fetch_title': '从 /v1/models 选择模型',
+            'ai_providers.openai_models_fetch_hint': '使用上方 Base URL 调用 /v1/models 端点，附带首个 API Key（Bearer）与自定义请求头。',
             'ai_providers.openai_models_fetch_url_label': '请求地址',
             'ai_providers.openai_models_fetch_refresh': '重新获取',
-            'ai_providers.openai_models_fetch_loading': '正在从 /v1/model 获取模型列表...',
+            'ai_providers.openai_models_fetch_loading': '正在从 /v1/models 获取模型列表...',
             'ai_providers.openai_models_fetch_empty': '未获取到模型，请检查端点或鉴权信息。',
             'ai_providers.openai_models_fetch_error': '获取模型失败',
             'ai_providers.openai_models_fetch_back': '返回编辑',
@@ -730,12 +730,12 @@ const i18n = {
             'ai_providers.openai_model_name_placeholder': 'Model name, e.g. moonshotai/kimi-k2:free',
             'ai_providers.openai_model_alias_placeholder': 'Model alias (optional)',
             'ai_providers.openai_models_add_btn': 'Add Model',
-            'ai_providers.openai_models_fetch_button': 'Fetch via /v1/model',
-            'ai_providers.openai_models_fetch_title': 'Pick Models from /v1/model',
-            'ai_providers.openai_models_fetch_hint': 'Call the /v1/model endpoint using the Base URL above, sending the first API key as Bearer plus custom headers.',
+            'ai_providers.openai_models_fetch_button': 'Fetch via /v1/models',
+            'ai_providers.openai_models_fetch_title': 'Pick Models from /v1/models',
+            'ai_providers.openai_models_fetch_hint': 'Call the /v1/models endpoint using the Base URL above, sending the first API key as Bearer plus custom headers.',
             'ai_providers.openai_models_fetch_url_label': 'Request URL',
             'ai_providers.openai_models_fetch_refresh': 'Refresh',
-            'ai_providers.openai_models_fetch_loading': 'Fetching models from /v1/model...',
+            'ai_providers.openai_models_fetch_loading': 'Fetching models from /v1/models...',
             'ai_providers.openai_models_fetch_empty': 'No models returned. Please check the endpoint or auth.',
             'ai_providers.openai_models_fetch_error': 'Failed to fetch models',
             'ai_providers.openai_models_fetch_back': 'Back to edit',
diff --git a/src/modules/ai-providers.js b/src/modules/ai-providers.js
index 9f9ac03..82d4d5c 100644
--- a/src/modules/ai-providers.js
+++ b/src/modules/ai-providers.js
@@ -11,12 +11,14 @@ const getStatsBySource = (stats) => {
 
 const buildModelEndpoint = (baseUrl) => {
     if (!baseUrl) return '';
-    try {
-        return new URL('/v1/model', baseUrl).toString();
-    } catch (_) {
-        const trimmed = String(baseUrl).trim().replace(/\/+$/g, '');
-        return trimmed ? `${trimmed}/v1/model` : '';
+    const trimmed = String(baseUrl).trim().replace(/\/+$/g, '');
+    if (!trimmed) return '';
+
+    // 如果 base 已以 /v1 结尾，直接拼 /models；否则拼 /v1/models，避免丢失中间路径
+    if (trimmed.endsWith('/v1')) {
+        return `${trimmed}/models`;
     }
+    return `${trimmed}/v1/models`;
 };
 
 const normalizeModelList = (payload) => {
@@ -1116,7 +1118,7 @@ export function renderOpenAIModelDiscoveryList(models = []) {
         const desc = model.description ? `<div class="model-discovery-desc">${this.escapeHtml(model.description)}</div>` : '';
         return `
             <label class="model-discovery-row">
-                <input type="checkbox" class="model-discovery-checkbox" data-model-index="${index}" checked>
+                <input type="checkbox" class="model-discovery-checkbox" data-model-index="${index}">
                 <div class="model-discovery-meta">
                     <div class="model-discovery-name">${name} ${alias}</div>
                     ${desc}