diff --git a/astrbot/core/computer/tools/fs.py b/astrbot/core/computer/tools/fs.py
index b6823c122..a1c0f848f 100644
--- a/astrbot/core/computer/tools/fs.py
+++ b/astrbot/core/computer/tools/fs.py
@@ -187,6 +187,8 @@ class FileDownloadTool(FunctionTool):
                     os.remove(local_path)
                 except Exception as e:
                     logger.error(f"Error removing temp file {local_path}: {e}")
+                
+                return f"File downloaded successfully to {local_path} and sent to user. The file has been removed from local storage."
 
             return f"File downloaded successfully to {local_path}"
         except Exception as e: