diff --git a/astrbot/core/computer/booters/shipyard.py b/astrbot/core/computer/booters/shipyard.py
index a8375544da..99fda4da4a 100644
--- a/astrbot/core/computer/booters/shipyard.py
+++ b/astrbot/core/computer/booters/shipyard.py
@@ -61,10 +61,17 @@ async def exec(
             cwd=cwd,
         )
         payload = _maybe_model_dump(result)
+        data = payload.get("data")
+        if isinstance(data, dict):
+            payload.update(
+                {key: value for key, value in data.items() if value is not None}
+            )
 
-        stdout = payload.get("output", payload.get("stdout", "")) or ""
-        stderr = payload.get("error", payload.get("stderr", "")) or ""
+        stdout = payload.get("output") or payload.get("stdout") or ""
+        stderr = payload.get("error") or payload.get("stderr") or ""
         exit_code = payload.get("exit_code")
+        if exit_code is None:
+            exit_code = payload.get("return_code")
         if background:
             pid: int | None = None
             try:
diff --git a/tests/unit/test_computer.py b/tests/unit/test_computer.py
index e667f98a6c..940f8fbfa7 100644
--- a/tests/unit/test_computer.py
+++ b/tests/unit/test_computer.py
@@ -376,6 +376,74 @@ def test_base_class_is_protocol(self):
 class TestShipyardBooter:
     """Tests for ShipyardBooter."""
 
+    @pytest.mark.asyncio
+    async def test_shipyard_shell_unwraps_bay_exec_response(self):
+        """Bay exec responses keep shell output under the data field."""
+        from astrbot.core.computer.booters.shipyard import ShipyardShellWrapper
+
+        raw_shell = AsyncMock()
+        raw_shell.exec = AsyncMock(
+            return_value={
+                "success": True,
+                "data": {
+                    "success": True,
+                    "return_code": 0,
+                    "stdout": "hello_from_shipyard_bay\n/workspace\n",
+                    "stderr": "",
+                    "pid": 16,
+                    "process_id": None,
+                    "error": None,
+                },
+                "error": None,
+            }
+        )
+
+        result = await ShipyardShellWrapper(raw_shell).exec(
+            "echo hello_from_shipyard_bay && pwd"
+        )
+
+        assert result == {
+            "stdout": "hello_from_shipyard_bay\n/workspace\n",
+            "stderr": "",
+            "exit_code": 0,
+            "success": True,
+            "execution_id": None,
+            "execution_time_ms": None,
+            "command": None,
+        }
+
+    @pytest.mark.asyncio
+    async def test_shipyard_shell_keeps_flat_exec_response_compatible(self):
+        """Flat shell responses remain compatible with ShipyardShellWrapper."""
+        from astrbot.core.computer.booters.shipyard import ShipyardShellWrapper
+
+        raw_shell = AsyncMock()
+        raw_shell.exec = AsyncMock(
+            return_value={
+                "success": True,
+                "stdout": "hello_from_legacy_shell\n/workspace\n",
+                "stderr": "",
+                "exit_code": 0,
+                "execution_id": "exec-legacy",
+                "execution_time_ms": 45,
+                "command": "echo hello_from_legacy_shell && pwd",
+            }
+        )
+
+        result = await ShipyardShellWrapper(raw_shell).exec(
+            "echo hello_from_legacy_shell && pwd"
+        )
+
+        assert result == {
+            "stdout": "hello_from_legacy_shell\n/workspace\n",
+            "stderr": "",
+            "exit_code": 0,
+            "success": True,
+            "execution_id": "exec-legacy",
+            "execution_time_ms": 45,
+            "command": "echo hello_from_legacy_shell && pwd",
+        }
+
     @pytest.mark.asyncio
     async def test_shipyard_booter_init(self):
         """Test ShipyardBooter initialization."""