diff --git a/src/app/api/models/test/route.js b/src/app/api/models/test/route.js
index 57cfd0c2..b2f7b76a 100644
--- a/src/app/api/models/test/route.js
+++ b/src/app/api/models/test/route.js
@@ -8,7 +8,7 @@ export async function POST(request) {
     const { model, kind } = await request.json();
     if (!model) return NextResponse.json({ error: "Model required" }, { status: 400 });
 
-    const baseUrl = `http://127.0.0.1:${UPDATER_CONFIG.appPort}`;
+    const baseUrl = `http://127.0.0.1:${process.env.PORT || UPDATER_CONFIG.appPort}`;
 
     // Get an active internal API key for auth (if requireApiKey is enabled)
     let apiKey = null;
diff --git a/src/app/api/providers/[id]/test-models/route.js b/src/app/api/providers/[id]/test-models/route.js
index 6ffa11f8..d7e9c541 100644
--- a/src/app/api/providers/[id]/test-models/route.js
+++ b/src/app/api/providers/[id]/test-models/route.js
@@ -65,7 +65,7 @@ export async function POST(request, { params }) {
 
     let models = getProviderModels(alias);
 
-    const baseUrl = `http://127.0.0.1:${UPDATER_CONFIG.appPort}`;
+    const baseUrl = `http://127.0.0.1:${process.env.PORT || UPDATER_CONFIG.appPort}`;
 
     // Compatible providers: fetch live model list
     if (isCompatible && models.length === 0) {