diff --git a/skills/tester/scripts/mobile_bundle.py b/skills/tester/scripts/mobile_bundle.py
index 484c0b9..3420bbe 100755
--- a/skills/tester/scripts/mobile_bundle.py
+++ b/skills/tester/scripts/mobile_bundle.py
@@ -219,6 +219,28 @@ def validate_preflight_matrix(root: Path, config_path: Path, bindings: dict[str,
             raise EnvironmentFailure(f"{platform} 绑定到 {expected_node}，必须使用 contract runner；禁止在协调节点执行")
 
 
+def preflight_remote_artifacts(config_path: Path, requested: list[str]) -> dict[str, str]:
+    """Return caller-declared artifact paths readable by remote tester nodes."""
+    try:
+        import yaml
+
+        raw = yaml.safe_load(config_path.read_text(encoding="utf-8")) or {}
+    except (OSError, ValueError, ImportError) as exc:
+        raise EnvironmentFailure(f"无法读取 preflight matrix: {config_path}: {exc}") from exc
+    rows = raw.get("matrix") if isinstance(raw, dict) else None
+    if not isinstance(rows, list):
+        raise EnvironmentFailure("preflight matrix 缺少 matrix；不能解析远程产物路径")
+    by_platform = {str(row.get("platform", "")).lower(): row for row in rows if isinstance(row, dict)}
+    paths: dict[str, str] = {}
+    for platform in requested:
+        row = by_platform.get(platform) or {}
+        artifact = row.get("artifact") if isinstance(row, dict) else None
+        remote_path = artifact.get("remote_path") if isinstance(artifact, dict) else None
+        if isinstance(remote_path, str) and remote_path.strip():
+            paths[platform] = remote_path.strip()
+    return paths
+
+
 def local_path(locator: str) -> Path | None:
     parsed = urllib.parse.urlsplit(locator)
     if parsed.scheme in ("http", "https"):
@@ -551,6 +573,7 @@ def execute(args: argparse.Namespace) -> int:
         "product_test": {"status": "not-run", "failure_class": "automatic-repair-failed", "note": "准备完成后由 tester catalog 驱动真实移动 session；本工具不以 API 替代移动测试"},
         "platforms": {},
     }
+    remote_artifacts: dict[str, str] = {}
     try:
         locators = parse_artifacts(args.artifacts)
         missing = [platform for platform in requested if platform not in locators]
@@ -596,6 +619,7 @@ def execute(args: argparse.Namespace) -> int:
                 }
             else:
                 validate_preflight_matrix(context.root, preflight_config, bindings, requested)
+                remote_artifacts = preflight_remote_artifacts(preflight_config, requested)
                 preflight_result = run_test_preflight(
                     preflight_config,
                     mode=args.preflight_mode,
@@ -676,15 +700,17 @@ def execute(args: argparse.Namespace) -> int:
                             })
                             if network.get("status") != "ready":
                                 raise EnvironmentFailure(str(network.get("observed") or network))
-                        artifact_path = Path(result["artifact"]["path"])
-                        if platform == "ios" and node_name != "local":
-                            raise EnvironmentFailure("远程 iOS 安装必须在 matrix.artifact.remote_path 声明 Mac 可读产物；不能把协调机路径当成 Mac 路径")
+                        artifact_path = result["artifact"]["path"]
+                        if node_name != "local":
+                            artifact_path = remote_artifacts.get(platform, "")
+                            if not artifact_path:
+                                raise EnvironmentFailure(f"远程 {platform} 安装必须在 matrix.artifact.remote_path 声明节点可读产物")
                         installed = agent_runner(context.root, {
                             "operation": "install",
                             "platform": platform,
                             "node": node_name,
                             "binding": binding_id,
-                            "artifact": str(artifact_path),
+                            "artifact": artifact_path,
                             "identity": identity,
                         })
                         if installed.get("status") != "ready":
diff --git a/skills/tester/tests/test_mobile_bundle.py b/skills/tester/tests/test_mobile_bundle.py
index 53c2140..b83c49a 100755
--- a/skills/tester/tests/test_mobile_bundle.py
+++ b/skills/tester/tests/test_mobile_bundle.py
@@ -116,6 +116,18 @@ matrix:
                     ["android", "ios"],
                 )
 
+    def test_remote_artifact_path_comes_from_preflight_matrix(self):
+        with tempfile.TemporaryDirectory() as temp:
+            config = Path(temp) / "matrix.yaml"
+            config.write_text(
+                "matrix:\n  - platform: ios\n    artifact:\n      remote_path: /Users/tester/app.ipa\n",
+                encoding="utf-8",
+            )
+            self.assertEqual(
+                bundle.preflight_remote_artifacts(config, ["ios"]),
+                {"ios": "/Users/tester/app.ipa"},
+            )
+
     def test_new_worktree_each_run(self):
         with tempfile.TemporaryDirectory() as temp:
             repo, worktrees = Path(temp) / "repo", Path(temp) / "worktrees"