diff --git a/PyPI/setup.cfg b/PyPI/setup.cfg
index e9a9b2c..7a27b7e 100644
--- a/PyPI/setup.cfg
+++ b/PyPI/setup.cfg
@@ -1,7 +1,7 @@
 [metadata]
 # replace with your username:
 name = guan
-version = 0.1.150
+version = 0.1.151
 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 803ace2..a5cf131 100644
--- a/PyPI/src/guan.egg-info/PKG-INFO
+++ b/PyPI/src/guan.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 2.2
 Name: guan
-Version: 0.1.150
+Version: 0.1.151
 Summary: An open source python package
 Home-page: https://py.guanjihuan.com
 Author: guanjihuan
diff --git a/PyPI/src/guan/figure_plotting.py b/PyPI/src/guan/figure_plotting.py
index 2115626..4fe5b89 100644
--- a/PyPI/src/guan/figure_plotting.py
+++ b/PyPI/src/guan/figure_plotting.py
@@ -311,7 +311,7 @@ def draw_dots_and_lines_without_starting_fig_ax(plt, fig, ax, coordinate_array,
             ax.plot(coordinate_array[i, 0], coordinate_array[i, 1], dot_style, markersize=markersize)
 
 # 通过坐标画点和线
-def draw_dots_and_lines(coordinate_array, draw_dots=1, draw_lines=1, max_distance=1, line_style='-k', linewidth=1, dot_style='ro', markersize=3, axis_off=1, show=1, save=0, filename='a', file_format='.eps', dpi=300):
+def draw_dots_and_lines(coordinate_array, draw_dots=1, draw_lines=1, max_distance=1.0001, line_style='-k', linewidth=1, dot_style='ro', markersize=3, axis_off=1, show=1, save=0, filename='a', file_format='.eps', dpi=300):
     import numpy as np
     import matplotlib.pyplot as plt
     coordinate_array = np.array(coordinate_array)