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new file mode 100644
index 00000000..8b8c3954
--- /dev/null
+++ b/.idea/OpenCV-Python-Tutorial.iml
@@ -0,0 +1,12 @@
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new file mode 100644
index 00000000..36267ef7
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,18 @@
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new file mode 100644
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--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
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new file mode 100644
index 00000000..73c5b517
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
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\ No newline at end of file
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new file mode 100644
index 00000000..6e2d5cdb
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@@ -0,0 +1,8 @@
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\ No newline at end of file
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new file mode 100644
index 00000000..94a25f7f
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
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new file mode 100644
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+++ b/.idea/workspace.xml
@@ -0,0 +1,213 @@
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diff --git a/README.md b/README.md
index 97aff671..2dd0218c 100755
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
 ## 运行:官方samples/demo.py 会有很多有趣的例子，介绍你去了解OpenCV的功能。
 
 
-~~python 2.7 分支被废弃了，不再更新~~
+~~python 2.7 分支被废弃了，不再更新~~˙
 
 ~~# 添加了 Python3.6分支,
 该分支是使用 opencv3.2+Python3.6~~
diff --git "a/ch22-\347\233\264\346\226\271\345\233\276/hist-bgr\345\244\232\351\200\232\351\201\223.py" "b/ch22-\347\233\264\346\226\271\345\233\276/hist-bgr\345\244\232\351\200\232\351\201\223.py"
index ba3eeaec..572f6349 100755
--- "a/ch22-\347\233\264\346\226\271\345\233\276/hist-bgr\345\244\232\351\200\232\351\201\223.py"
+++ "b/ch22-\347\233\264\346\226\271\345\233\276/hist-bgr\345\244\232\351\200\232\351\201\223.py"
@@ -3,6 +3,7 @@
 """
 create time:15-10-24 下午5:19
 同时绘制多通道 BGR 
+直方图
 """
 
 import cv2
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