diff --git a/scripts/check-native-shells.mjs b/scripts/check-native-shells.mjs
index 172eb2c89..4ae46e55e 100644
--- a/scripts/check-native-shells.mjs
+++ b/scripts/check-native-shells.mjs
@@ -1164,6 +1164,27 @@ function assertH5HostBridgePayloadBoundaries() {
       'H5 HostBridge facade must normalize haptics.impact payloads with the shared style boundary',
     );
   }
+  if (
+    !h5HostBridgeSource.includes(
+      'colorScheme: normalizeHostBridgeColorScheme(result?.colorScheme),',
+    )
+  ) {
+    throw new Error(
+      'H5 HostBridge facade must normalize appearance.getColorScheme results with the shared color scheme boundary',
+    );
+  }
+  if (
+    !h5HostBridgeSource.includes(
+      'const connectionType = normalizeHostBridgeConnectionType(\n    payload?.connectionType ?? payload?.nativeType,\n  );',
+    ) ||
+    !h5HostBridgeSource.includes(
+      'listener(normalizeHostNetworkStatus(payload));',
+    )
+  ) {
+    throw new Error(
+      'H5 HostBridge facade must normalize network.status results and network.statusChanged events with shared network boundaries',
+    );
+  }
   if (
     !h5HostBridgeSource.includes(
       'const normalizedTitle = normalizeHostBridgeAppTitle(title);',
diff --git a/src/services/host-bridge/hostBridge.test.ts b/src/services/host-bridge/hostBridge.test.ts
index 2a829f3ac..54bfd6ad6 100644
--- a/src/services/host-bridge/hostBridge.test.ts
+++ b/src/services/host-bridge/hostBridge.test.ts
@@ -598,6 +598,43 @@ describe('hostBridge', () => {
     });
   });
 
+  test('原生 App 宿主配色结果进入 H5 前先归一化', async () => {
+    const invoke = vi.fn(
+      async (_command: string, args?: Record<string, unknown>) => {
+        const request = (args as { request: { id: string; method: string } })
+          .request;
+        return {
+          bridge: 'GenarrativeHostBridge',
+          version: 1,
+          id: request.id,
+          ok: true,
+          result: {
+            colorScheme: 'sepia',
+          },
+        };
+      },
+    );
+    window.history.replaceState(
+      null,
+      '',
+      nativeAppPath(['appearance.getColorScheme']),
+    );
+    window.__TAURI__ = {
+      core: {
+        invoke: asTauriInvoke(invoke),
+      },
+    };
+
+    await expect(getHostAppearanceColorScheme()).resolves.toEqual({
+      colorScheme: 'unknown',
+    });
+    expect(invoke).toHaveBeenCalledWith('host_bridge_request', {
+      request: expect.objectContaining({
+        method: 'appearance.getColorScheme',
+      }),
+    });
+  });
+
   test('从真实宿主 runtime 回读能力并通知订阅者', async () => {
     const listener = vi.fn();
     const unsubscribe = subscribeHostRuntimeChange(listener);