diff --git a/client/pyside6/components/provider_dialog.py b/client/pyside6/components/provider_dialog.py
index 3c3926e..af7efce 100644
--- a/client/pyside6/components/provider_dialog.py
+++ b/client/pyside6/components/provider_dialog.py
@@ -47,6 +47,7 @@ def __init__(self, api, parent=None):
         self.preset = QComboBox()
         self.preset.addItem("智谱 AI（GLM-4.5-Flash）", "zhipu")
         self.preset.addItem("OpenAI", "openai")
+        self.preset.addItem("OrcaRouter", "orcarouter")
         self.preset.addItem("自定义 OpenAI 兼容服务", "custom")
         self.preset.currentIndexChanged.connect(self._preset_changed)
         self.name = QLineEdit()
@@ -115,6 +116,11 @@ def _preset_changed(self, _index: int) -> None:
             self.base_url.setText("https://api.openai.com/v1")
             self.model.setText("gpt-4.1-mini")
             self.protocol.setCurrentIndex(0)
+        elif preset == "orcarouter":
+            self.name.setText("OrcaRouter")
+            self.base_url.setText("https://api.orcarouter.ai/v1")
+            self.model.setText("orcarouter/auto")
+            self.protocol.setCurrentIndex(0)
 
     def refresh(self) -> None:
         self.state.setText("正在加载模型服务…")
diff --git a/tests/test_provider_presets.py b/tests/test_provider_presets.py
new file mode 100644
index 0000000..e7e741b
--- /dev/null
+++ b/tests/test_provider_presets.py
@@ -0,0 +1,59 @@
+"""Offscreen preset coverage for the remote provider dialog.
+
+The dialog is the desktop surface where users configure OpenAI-compatible
+remote providers; named presets fill name/base_url/model so a provider is
+used as a first-class service instead of an anonymous custom base URL.
+"""
+
+from __future__ import annotations
+
+import os
+import sys
+from unittest.mock import MagicMock
+
+os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
+ROOT = os.path.dirname(os.path.dirname(__file__))
+sys.path.insert(0, os.path.join(ROOT, "client", "pyside6"))
+
+from components.provider_dialog import RemoteProviderDialog
+from PySide6.QtWidgets import QApplication
+
+_app = QApplication.instance() or QApplication([])
+
+
+def _dialog() -> RemoteProviderDialog:
+    api = MagicMock()
+    api.list_remote_providers.return_value = []
+    return RemoteProviderDialog(api)
+
+
+def test_orcarouter_preset_is_listed():
+    dialog = _dialog()
+    try:
+        presets = [dialog.preset.itemData(index) for index in range(dialog.preset.count())]
+        assert "orcarouter" in presets
+    finally:
+        dialog.shutdown_async_api()
+
+
+def test_orcarouter_preset_fills_named_provider_fields():
+    dialog = _dialog()
+    try:
+        dialog.preset.setCurrentIndex(dialog.preset.findData("orcarouter"))
+        assert dialog.name.text() == "OrcaRouter"
+        assert dialog.base_url.text() == "https://api.orcarouter.ai/v1"
+        assert dialog.model.text() == "orcarouter/auto"
+        assert dialog.protocol.currentData() == "responses"
+    finally:
+        dialog.shutdown_async_api()
+
+
+def test_openai_preset_is_preserved():
+    dialog = _dialog()
+    try:
+        dialog.preset.setCurrentIndex(dialog.preset.findData("openai"))
+        assert dialog.name.text() == "OpenAI"
+        assert dialog.base_url.text() == "https://api.openai.com/v1"
+        assert dialog.model.text() == "gpt-4.1-mini"
+    finally:
+        dialog.shutdown_async_api()