diff --git a/PyPI/setup.cfg b/PyPI/setup.cfg
index da2dbfc..9567d60 100644
--- a/PyPI/setup.cfg
+++ b/PyPI/setup.cfg
@@ -1,7 +1,7 @@
 [metadata]
 # replace with your username:
 name = guan
-version = 0.1.198
+version = 0.1.199
 author = guanjihuan
 author_email = guanjihuan@163.com
 description = An open source python package
diff --git a/PyPI/src/guan.egg-info/PKG-INFO b/PyPI/src/guan.egg-info/PKG-INFO
index 24e9eec..c3f6edc 100644
--- a/PyPI/src/guan.egg-info/PKG-INFO
+++ b/PyPI/src/guan.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 2.4
 Name: guan
-Version: 0.1.198
+Version: 0.1.199
 Summary: An open source python package
 Home-page: https://py.guanjihuan.com
 Author: guanjihuan
diff --git a/PyPI/src/guan/others.py b/PyPI/src/guan/others.py
index a0f49d3..17ac539 100644
--- a/PyPI/src/guan/others.py
+++ b/PyPI/src/guan/others.py
@@ -39,7 +39,7 @@ def pdf_to_text_with_pdfplumber(pdf_path):
         content = "\n\n".join(all_text)
         return content
 
-# 使用pdfminer3k将PDF文件转成文本
+# 使用pdfminer3k将PDF文件转成文本（仅仅支持旧版本的 pdfminer3k）
 def pdf_to_text_with_pdfminer3k(pdf_path):
     from pdfminer.pdfparser import PDFParser, PDFDocument
     from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter