diff --git a/pipeline_service/executor.py b/pipeline_service/executor.py
index 59c7820..b845a31 100644
--- a/pipeline_service/executor.py
+++ b/pipeline_service/executor.py
@@ -146,7 +146,10 @@ async def _get_task_raw(task_id: str) -> dict:
         if not recs:
             return None
         rec = recs[0]
-        return {k: getattr(rec, k) for k in dir(rec) if not k.startswith('_')} if hasattr(rec, '__dict__') else dict(rec)
+        try:
+            return dict(rec)
+        except (TypeError, ValueError):
+            return {k: getattr(rec, k) for k in dir(rec) if not k.startswith('_')}
 
 
 async def _execute_step(task_id: str, step_name: str, step_graph: dict, task_info: dict):
diff --git a/pipeline_service/storage.py b/pipeline_service/storage.py
index 122ec86..48190c2 100644
--- a/pipeline_service/storage.py
+++ b/pipeline_service/storage.py
@@ -19,6 +19,16 @@ def _get_db():
     return db, DBNAME
 
 
+def _rec_to_dict(rec):
+    """sqlor 返回 DictObject，列名不暴露为实例属性(dir() 只列 dict 方法)，须用 dict(rec) 取列。"""
+    if isinstance(rec, dict):
+        return dict(rec)
+    try:
+        return dict(rec)
+    except (TypeError, ValueError):
+        return {k: getattr(rec, k) for k in dir(rec) if not k.startswith('_')}
+
+
 async def get_pipeline_steps(pipeline_id: str) -> list:
     """Read step definitions from pipeline_steps table (defined by pipeline_core).
     
@@ -32,10 +42,7 @@ async def get_pipeline_steps(pipeline_id: str) -> list:
             return []
         result = []
         for rec in recs:
-            if hasattr(rec, '__dict__'):
-                d = {k: getattr(rec, k) for k in dir(rec) if not k.startswith('_')}
-            else:
-                d = dict(rec)
+            d = _rec_to_dict(rec)
             # Extract deps from step_config JSON
             cfg_raw = d.get('step_config', '{}')
             try:
@@ -99,9 +106,7 @@ async def get_task(tenant_id: str, task_id: str) -> Optional[dict]:
         if not recs:
             return None
         rec = recs[0]
-        if hasattr(rec, '__dict__'):
-            return {k: getattr(rec, k) for k in dir(rec) if not k.startswith('_')}
-        return dict(rec)
+        return _rec_to_dict(rec)
 
 
 async def get_task_steps(task_id: str) -> list:
@@ -111,10 +116,7 @@ async def get_task_steps(task_id: str) -> list:
         recs = await sor.sqlExe("SELECT * FROM pipeline_task_steps WHERE task_id=${tid}$ ORDER BY step_order", {'tid': task_id})
         result = []
         for rec in (recs or []):
-            if hasattr(rec, '__dict__'):
-                result.append({k: getattr(rec, k) for k in dir(rec) if not k.startswith('_')})
-            else:
-                result.append(dict(rec))
+            result.append(_rec_to_dict(rec))
         return result
 
 
@@ -226,10 +228,7 @@ async def list_tasks(tenant_id: str, pipeline_id: str = None, limit: int = 100)
             recs = await sor.sqlExe(sql, {'tenant_id': tenant_id})
         result = []
         for rec in (recs or [])[:limit]:
-            if hasattr(rec, '__dict__'):
-                result.append({k: getattr(rec, k) for k in dir(rec) if not k.startswith('_')})
-            else:
-                result.append(dict(rec))
+            result.append(_rec_to_dict(rec))
         return result
 
 
@@ -318,10 +317,7 @@ async def list_human_tasks(tenant_id=None, assignee_role=None, assignee_id=None,
         recs = await sor.sqlExe(sql, params)
         result = []
         for rec in (recs or []):
-            if hasattr(rec, '__dict__'):
-                d = {k: getattr(rec, k) for k in dir(rec) if not k.startswith('_')}
-            else:
-                d = dict(rec)
+            d = _rec_to_dict(rec)
             # Parse JSON fields
             for field in ('form_schema', 'result_data'):
                 if d.get(field) and isinstance(d[field], str):
@@ -341,10 +337,7 @@ async def get_human_task(task_id, step_name):
         if not recs:
             return None
         rec = recs[0]
-        if hasattr(rec, '__dict__'):
-            d = {k: getattr(rec, k) for k in dir(rec) if not k.startswith('_')}
-        else:
-            d = dict(rec)
+        d = _rec_to_dict(rec)
         for field in ('form_schema', 'result_data'):
             if d.get(field) and isinstance(d[field], str):
                 try: