diff --git a/modules/file_manager.py b/modules/file_manager.py
index 1b14e8d..3b9dc10 100644
--- a/modules/file_manager.py
+++ b/modules/file_manager.py
@@ -99,6 +99,7 @@ class FileManager:
         Returns:
             (是否有效, 错误信息, 完整路径)
         """
+        original_path = path
         project_root = Path(self.project_path).resolve()
         if project_root != self.project_path:
             self.project_path = project_root
@@ -112,6 +113,8 @@ class FileManager:
                 # 如果成功，说明绝对路径在项目内，转换为相对路径
                 path = str(test_path.relative_to(project_root))
             except ValueError:
+                if str(original_path).replace("\\", "/").startswith("/workspace"):
+                    return False, "路径必须在项目文件夹内。请检查是否使用的是不带/workspace的相对路径。", None
                 return False, "路径必须在项目文件夹内", None
         
         # 检查是否包含向上遍历