diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ee1eb3..030a103 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to HandyLLM will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 
+## [0.8.1] - 2024-06-10
+
+### Fixed
+
+- fix the debug print issue when outputting to a file in stream mode
+
+
 ## [0.8.0] - 2024-06-09
 
 ### Added
diff --git a/pyproject.toml b/pyproject.toml
index 2da6b72..69e5299 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "HandyLLM"
-version = "0.8.0"
+version = "0.8.1"
 authors = [
   { name="Atomie CHEN", email="atomic_cwh@163.com" },
 ]
diff --git a/src/handyllm/hprompt.py b/src/handyllm/hprompt.py
index a7694ce..ca42e35 100644
--- a/src/handyllm/hprompt.py
+++ b/src/handyllm/hprompt.py
@@ -432,7 +432,6 @@ def _parse_var_map(self, run_config: RunConfig):
     @staticmethod
     @contextmanager
     def open_output_path_fd(run_config: RunConfig):
-        print(f"#DEBUG {run_config.output_path_buffering=}")
         if run_config.output_path_buffering is None or run_config.output_path_buffering == -1:
             # default buffering
             with open(run_config.output_path, 'w', encoding='utf-8') as fout:
diff --git a/src/handyllm/run_config.py b/src/handyllm/run_config.py
index 7a0bdda..ba5ad24 100644
--- a/src/handyllm/run_config.py
+++ b/src/handyllm/run_config.py
@@ -55,7 +55,7 @@ class RunConfig:
     on_chunk: Optional[OnChunkType] = None
     # output the response to a file
     output_path: Optional[PathType] = None
-    # buffering for opening the output file: -1 for system default, 
+    # buffering for opening the output file in stream mode: -1 for system default, 
     # 0 for unbuffered, 1 for line buffered, any other positive value for buffer size
     output_path_buffering: Optional[int] = None
     # output the response to a file descriptor