diff --git a/astrbot/core/tools/computer_tools/python.py b/astrbot/core/tools/computer_tools/python.py
index 0f8a759dc5..52cb5239ad 100644
--- a/astrbot/core/tools/computer_tools/python.py
+++ b/astrbot/core/tools/computer_tools/python.py
@@ -14,6 +14,7 @@
 from ..registry import builtin_tool
 from .fs import _read_allowed_roots, _write_allowed_roots
 from .util import (
+    LOCAL_NETWORK_POLICY_NOTICE,
     check_admin_permission,
     check_local_execution_permission,
     workspace_root_for_context,
@@ -49,7 +50,9 @@
 }
 
 
-async def handle_result(result: dict, event: AstrMessageEvent) -> ToolExecResult:
+async def handle_result(
+    result: dict, event: AstrMessageEvent
+) -> mcp.types.CallToolResult:
     data = result.get("data", {})
     output = data.get("output", {})
     error = data.get("error", "")
@@ -178,6 +181,19 @@ async def call(
                 filesystem_scope=local_policy.filesystem_scope,
                 **sandbox_roots,
             )
-            return await handle_result(result, context.context.event)
+            response = await handle_result(result, context.context.event)
+            if not local_policy.allow_network:
+                response.content.insert(
+                    0,
+                    mcp.types.TextContent(
+                        type="text", text=LOCAL_NETWORK_POLICY_NOTICE
+                    ),
+                )
+            return response
         except Exception as e:
-            return f"Error executing code: {str(e)}"
+            policy_notice = (
+                f"{LOCAL_NETWORK_POLICY_NOTICE}\n"
+                if not local_policy.allow_network
+                else ""
+            )
+            return f"{policy_notice}Error executing code: {str(e)}"
diff --git a/astrbot/core/tools/computer_tools/shell.py b/astrbot/core/tools/computer_tools/shell.py
index ac1d17126a..c21ff6ff34 100644
--- a/astrbot/core/tools/computer_tools/shell.py
+++ b/astrbot/core/tools/computer_tools/shell.py
@@ -18,6 +18,7 @@
 from ..registry import builtin_tool
 from .fs import _read_allowed_roots, _write_allowed_roots
 from .util import (
+    LOCAL_NETWORK_POLICY_NOTICE,
     check_local_execution_permission,
     get_local_permission_policy,
     is_local_runtime,
@@ -108,6 +109,11 @@ async def call(
         if permission_error:
             return permission_error
         sandboxed = bool(local_policy and local_policy.requires_sandbox)
+        policy_notice = (
+            f"{LOCAL_NETWORK_POLICY_NOTICE}\n"
+            if local_policy and not local_policy.allow_network
+            else ""
+        )
 
         sb = await get_booter(
             context.context.context,
@@ -186,7 +192,9 @@ async def call(
                         f"(wall time: {elapsed_seconds:.2f}s)."
                     )
                     output = f"{result['stdout']}{result['stderr']}"
-                    return f"{message}\nOutput:\n{output}"
+                    return f"{policy_notice}{message}\nOutput:\n{output}"
+                if policy_notice:
+                    result["policy_notice"] = LOCAL_NETWORK_POLICY_NOTICE
                 return json.dumps(result, ensure_ascii=False)
 
             effective_background = background and not _is_self_detached_command(command)
@@ -217,7 +225,7 @@ async def call(
             return json.dumps(result, ensure_ascii=False)
         except Exception as e:
             detail = str(e) or type(e).__name__
-            return f"Error executing command: {detail}"
+            return f"{policy_notice}Error executing command: {detail}"
 
 
 @dataclass
diff --git a/astrbot/core/tools/computer_tools/util.py b/astrbot/core/tools/computer_tools/util.py
index 0fdfc20094..bfaa54ad16 100644
--- a/astrbot/core/tools/computer_tools/util.py
+++ b/astrbot/core/tools/computer_tools/util.py
@@ -13,6 +13,13 @@
     resolve_workspace_root_for_umo,
 )
 
+LOCAL_NETWORK_POLICY_NOTICE = (
+    "Sandbox policy: Network access is disabled for local Shell/Python execution. "
+    "Do not retry the same network operation with another command, Python, "
+    "HTTP/HTTPS, or disabled certificate verification; these do not change the policy. "
+    "Local offline operations are still allowed."
+)
+
 
 @dataclass(frozen=True)
 class LocalPermissionPolicy:
diff --git a/dashboard/src/components/shared/LocalPermissionMatrix.vue b/dashboard/src/components/shared/LocalPermissionMatrix.vue
index bf3dd191cd..5df3bdd395 100644
--- a/dashboard/src/components/shared/LocalPermissionMatrix.vue
+++ b/dashboard/src/components/shared/LocalPermissionMatrix.vue
@@ -132,6 +132,11 @@
       </tbody>
     </v-table>
 
+    <div class="text-caption text-medium-emphasis">
+      <p v-if="!unsupported">{{ tm('scopeHints.workspace') }}</p>
+      <p>{{ tm('scopeHints.host') }}</p>
+    </div>
+
     <v-alert v-if="memberHasElevatedAccess" type="warning" variant="tonal" density="compact">
       {{ tm('memberWarning') }}
     </v-alert>
diff --git a/dashboard/src/i18n/locales/en-US/features/config-metadata.json b/dashboard/src/i18n/locales/en-US/features/config-metadata.json
index 1b3c0d0e04..72ebcf9147 100644
--- a/dashboard/src/i18n/locales/en-US/features/config-metadata.json
+++ b/dashboard/src/i18n/locales/en-US/features/config-metadata.json
@@ -310,6 +310,10 @@
           "workspace": "Workspace",
           "host": "Host files"
         },
+        "scopeHints": {
+          "workspace": "Workspace: restricted access to the session workspace, temporary directories, and skill files.",
+          "host": "Host files: access files permitted by the account running AstrBot. In Docker, this means files inside the container and mounted files, not all files on the Docker host."
+        },
         "roles": {
           "member": "Member",
           "admin": "Administrator"
diff --git a/dashboard/src/i18n/locales/ja-JP/features/config-metadata.json b/dashboard/src/i18n/locales/ja-JP/features/config-metadata.json
index 74b2f89147..861d9eec5a 100644
--- a/dashboard/src/i18n/locales/ja-JP/features/config-metadata.json
+++ b/dashboard/src/i18n/locales/ja-JP/features/config-metadata.json
@@ -398,6 +398,10 @@
           "workspace": "ワークスペース",
           "host": "ホストのファイル"
         },
+        "scopeHints": {
+          "workspace": "ワークスペース：セッションのワークスペース、一時ディレクトリ、スキルファイルに制限付きでアクセスします。",
+          "host": "ホストのファイル：AstrBot の実行アカウントに権限があるファイルにアクセスできます。Docker 環境ではコンテナ内およびマウントされたファイルを指し、Docker ホストの全ファイルではありません。"
+        },
         "roles": {
           "member": "一般メンバー",
           "admin": "管理者"
diff --git a/dashboard/src/i18n/locales/ru-RU/features/config-metadata.json b/dashboard/src/i18n/locales/ru-RU/features/config-metadata.json
index a8c5cd6640..6f9e482d43 100644
--- a/dashboard/src/i18n/locales/ru-RU/features/config-metadata.json
+++ b/dashboard/src/i18n/locales/ru-RU/features/config-metadata.json
@@ -437,6 +437,10 @@
                     "workspace": "Рабочая область",
                     "host": "Файлы компьютера"
                 },
+                "scopeHints": {
+                    "workspace": "Рабочая область: ограниченный доступ к рабочей области сеанса, временным каталогам и файлам навыков.",
+                    "host": "Файлы компьютера: доступ к файлам в пределах прав учётной записи, запускающей AstrBot. В Docker это файлы внутри контейнера и подключённые файлы, а не все файлы хоста Docker."
+                },
                 "roles": {
                     "member": "Участник",
                     "admin": "Администратор"
diff --git a/dashboard/src/i18n/locales/zh-CN/features/config-metadata.json b/dashboard/src/i18n/locales/zh-CN/features/config-metadata.json
index 176d5f0ad2..d2eb224e5f 100644
--- a/dashboard/src/i18n/locales/zh-CN/features/config-metadata.json
+++ b/dashboard/src/i18n/locales/zh-CN/features/config-metadata.json
@@ -326,6 +326,10 @@
           "workspace": "工作区",
           "host": "主机文件"
         },
+        "scopeHints": {
+          "workspace": "工作区：在受限范围内访问会话工作区、临时目录和技能文件。",
+          "host": "主机文件：可访问 AstrBot 运行账户有权限访问的文件；Docker 部署时指容器内及挂载的文件，并非宿主机全部文件。"
+        },
         "roles": {
           "member": "普通成员",
           "admin": "管理员"
diff --git a/tests/unit/test_func_tool_manager.py b/tests/unit/test_func_tool_manager.py
index 4886194269..df85c27435 100644
--- a/tests/unit/test_func_tool_manager.py
+++ b/tests/unit/test_func_tool_manager.py
@@ -116,9 +116,11 @@ def test_shell_session_schema_supports_line_writes():
 
 @pytest.mark.asyncio
 @pytest.mark.skipif(os.name == "nt", reason="Restricted execution needs POSIX.")
+@pytest.mark.parametrize("allow_network", [False, True])
 async def test_local_execute_shell_manages_running_and_closed_results(
     monkeypatch,
     tmp_path,
+    allow_network,
 ):
     from astrbot.core.tools.computer_tools import shell as shell_tools
 
@@ -141,7 +143,14 @@ class FakeBooter:
 
     class FakeConfig:
         def get_config(self, umo):
-            return {"provider_settings": {"computer_use_runtime": "local"}}
+            return {
+                "provider_settings": {
+                    "computer_use_runtime": "local",
+                    "computer_use_local_permissions": {
+                        "admin": {"allow_network": allow_network}
+                    },
+                }
+            }
 
     class FakeEvent:
         unified_msg_origin = "umo"
@@ -177,6 +186,10 @@ async def fake_get_booter(context, session_id):
     )
 
     assert json.loads(result)["session_id"] == "sh_test"
+    notice = shell_tools.LOCAL_NETWORK_POLICY_NOTICE
+    assert json.loads(result).get("policy_notice") == (
+        None if allow_network else notice
+    )
     shell.exec_managed.assert_awaited_once_with(
         "python server.py",
         owner_id="umo",
@@ -184,7 +197,7 @@ async def fake_get_booter(context, session_id):
         creator_is_admin=True,
         sandboxed=True,
         permission_check=ANY,
-        allow_network=True,
+        allow_network=allow_network,
         filesystem_scope="workspace",
         readable_roots=ANY,
         writable_roots=ANY,
@@ -215,7 +228,8 @@ async def fake_get_booter(context, session_id):
         )
 
         assert result == (
-            f"Command completed with exit code {exit_code} "
+            ("" if allow_network else f"{notice}\n")
+            + f"Command completed with exit code {exit_code} "
             f"(wall time: {wall_time}s).\nOutput:\ndone\n"
         )
 
diff --git a/tests/unit/test_python_tools.py b/tests/unit/test_python_tools.py
index ec74169e34..d4e41658e9 100644
--- a/tests/unit/test_python_tools.py
+++ b/tests/unit/test_python_tools.py
@@ -137,15 +137,22 @@ async def fake_workspace_root_for_context(context):
 
 @pytest.mark.asyncio
 @pytest.mark.skipif(os.name == "nt", reason="Restricted execution needs POSIX.")
-async def test_local_member_python_uses_sandbox_backend(
+@pytest.mark.parametrize("role", ["member", "admin"])
+async def test_local_python_uses_sandbox_backend(
     tmp_path,
     monkeypatch,
+    role,
 ):
-    """Local member Python execution should require an OS sandbox."""
+    """Preserve Python output and errors while reporting the active network policy."""
     from astrbot.core.tools.computer_tools import util as computer_util
 
     python_exec = AsyncMock(
-        return_value={"data": {"output": {"text": "ok", "images": []}, "error": ""}}
+        return_value={
+            "data": {
+                "output": {"text": "ok", "images": []},
+                "error": "execution failed",
+            }
+        },
     )
     local_python = LocalPythonComponent()
     local_python.exec = python_exec
@@ -161,7 +168,7 @@ async def test_local_member_python_uses_sandbox_backend(
 
     event = SimpleNamespace(
         unified_msg_origin="onebot:GroupMessage:12345",
-        role="member",
+        role=role,
         get_platform_name=lambda: "onebot",
     )
     context = ContextWrapper(
@@ -179,7 +186,10 @@ async def test_local_member_python_uses_sandbox_backend(
         tool_call_timeout=60,
     )
 
-    await LocalPythonTool().call(context, code="print('ok')", timeout=30)
+    result = await LocalPythonTool().call(context, code="print('ok')", timeout=30)
+    output = [part.text for part in result.content]
+    assert (computer_util.LOCAL_NETWORK_POLICY_NOTICE in output) is (role == "member")
+    assert output[-2:] == ["error: execution failed", "ok"]
 
     python_exec.assert_awaited_once_with(
         "print('ok')",
@@ -187,7 +197,7 @@ async def test_local_member_python_uses_sandbox_backend(
         silent=False,
         cwd=str(tmp_path.resolve(strict=False)),
         sandboxed=True,
-        allow_network=False,
+        allow_network=role == "admin",
         filesystem_scope="workspace",
         readable_roots=ANY,
         writable_roots=ANY,