diff --git a/app/Http/Controllers/Admin/AiProviderController.php b/app/Http/Controllers/Admin/AiProviderController.php
index c19e62d..985dcfa 100644
--- a/app/Http/Controllers/Admin/AiProviderController.php
+++ b/app/Http/Controllers/Admin/AiProviderController.php
@@ -203,10 +203,11 @@ class AiProviderController extends Controller
     /**
      * 测试指定 AI 厂商的接口连通性
      *
-     * 发送一条简短的测试消息，返回响应结果和耗时，用于验证配置是否正确。
+     * 通过 GET /v1/models 检查端点可达性与 API Key 有效性，毫秒级响应，
+     * 不触发模型推理，避免经 Cloudflare 代理时因推理耗时导致 524 超时。
      *
      * @param  int  $id  厂商配置 ID
-     * @return JsonResponse 测试结果
+     * @return JsonResponse 测试结果（含可用模型列表）
      */
     public function testConnection(int $id): JsonResponse
     {
@@ -214,25 +215,20 @@ class AiProviderController extends Controller
 
         $apiKey = $provider->getDecryptedApiKey();
         $base = rtrim($provider->api_endpoint, '/');
-        $endpoint = str_ends_with($base, '/v1')
-            ? $base.'/chat/completions'
-            : $base.'/v1/chat/completions';
+
+        // 拼接 /v1/models 端点（检查连通性，不触发推理）
+        $modelsUrl = str_ends_with($base, '/v1')
+            ? $base.'/models'
+            : $base.'/v1/models';
 
         $startTime = microtime(true);
 
         try {
             $response = \Illuminate\Support\Facades\Http::withToken($apiKey)
-                ->timeout(60)  // Ollama 本地模型冷启动较慢，给 60s
-                ->post($endpoint, [
-                    'model' => $provider->model,
-                    'messages' => [
-                        ['role' => 'user', 'content' => '请用一句话介绍你自己。'],
-                    ],
-                    'max_tokens' => 64,
-                ]);
+                ->timeout(10)
+                ->get($modelsUrl);
 
             $ms = (int) ((microtime(true) - $startTime) * 1000);
-            $data = $response->json();
 
             if (! $response->successful()) {
                 return response()->json([
@@ -242,13 +238,24 @@ class AiProviderController extends Controller
                 ]);
             }
 
-            $reply = $data['choices'][0]['message']['content'] ?? '（无回复内容）';
+            $data = $response->json();
+
+            // 提取可用模型列表（兼容 Ollama 和 OpenAI 格式）
+            $models = collect($data['models'] ?? $data['data'] ?? [])
+                ->pluck('id')
+                ->filter()
+                ->values()
+                ->toArray();
+
+            $modelList = count($models) > 0
+                ? implode('、', array_slice($models, 0, 5)).(count($models) > 5 ? ' 等' : '')
+                : $provider->model;
 
             return response()->json([
                 'ok' => true,
-                'message' => trim($reply),
+                'message' => "接口连通正常，可用模型：{$modelList}",
                 'ms' => $ms,
-                'model' => $data['model'] ?? $provider->model,
+                'models' => $models,
             ]);
         } catch (\Illuminate\Http\Client\ConnectionException $e) {
             $ms = (int) ((microtime(true) - $startTime) * 1000);