diff --git a/pipeline_service/deploy_account.py b/pipeline_service/deploy_account.py
index 2b02028..09b3f2d 100644
--- a/pipeline_service/deploy_account.py
+++ b/pipeline_service/deploy_account.py
@@ -24,6 +24,8 @@ DEPLOY_ENV_BASE = "/d/pipeline/deploy_envs"
 
 # bwrap 可执行文件（未安装时为 None，降级为目录隔离）
 BWRAP = shutil.which("bwrap")
+if not BWRAP and os.path.exists("/d/pipeline/bin/bwrap"):
+    BWRAP = "/d/pipeline/bin/bwrap"
 
 # 账号名合法字符（目录安全，防路径穿越）
 _SAFE_RE = re.compile(r"[^a-zA-Z0-9_-]")