diff --git a/wwwroot/api/my_todos.dspy b/wwwroot/api/my_todos.dspy
index af29a04..8165e47 100644
--- a/wwwroot/api/my_todos.dspy
+++ b/wwwroot/api/my_todos.dspy
@@ -21,8 +21,8 @@ for t in todos:
                     proj_names[pid] = getattr(_pr[0], 'name', '') or pid
         except Exception:
             pass
-        t['project_name'] = proj_names.get(pid, pid)
+        t['project_name'] = proj_names.get(pid) or ('（项目已删除）' if pid else '')
     else:
-        t['project_name'] = proj_names.get(pid, pid)
+        t['project_name'] = proj_names.get(pid) or ('（项目已删除）' if pid else '')
 
 return json.dumps({"success": True, "todos": todos}, ensure_ascii=False, default=str)
diff --git a/wwwroot/api/my_todos_popup.dspy b/wwwroot/api/my_todos_popup.dspy
index b250127..323d79e 100644
--- a/wwwroot/api/my_todos_popup.dspy
+++ b/wwwroot/api/my_todos_popup.dspy
@@ -91,7 +91,7 @@ for t in (todos or []):
 
     pid = _s(t.get('project_id'))
     meta_bits = []
-    pname = proj_names.get(pid) or _s(t.get('project_name')) or pid
+    pname = proj_names.get(pid) or _s(t.get('project_name')) or ('（项目已删除）' if pid else '')
     if pname:
         meta_bits.append('项目：' + pname)
     if t.get('created_at'):