diff --git a/gateway/scripts/dashboard.py b/gateway/scripts/dashboard.py
index 5799b41..7a83699 100644
--- a/gateway/scripts/dashboard.py
+++ b/gateway/scripts/dashboard.py
@@ -1156,8 +1156,8 @@ def api_spec():
     """返回开发规范文档内容"""
     # Try multiple possible locations
     candidates = [
-        # Git-tracked copy in project docs/
-        os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "docs", "dev-spec.md"),
+        # Git-tracked copy in project docs/ (priority)
+        os.path.join(_PROJECT_DIR, "docs", "dev-spec.md"),
         os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))), "projects", "AgentsMeeting", "docs", "dev-spec.md"),
         # Legacy .memory/ locations (gitignored, no history)
         os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))), ".memory", "dev-spec.md"),