diff --git a/README.md b/README.md
index 7cfca3c..7459b2d 100644
--- a/README.md
+++ b/README.md
@@ -1,16 +1,30 @@
 LentilToolBox
+
 ===================================  
+
 ###Commit
+
 A CATIA plug-in that can generate complex shaft parts within CATIA via COM interface automatically.
+
 ###About the source code
-Project environment: VS Community 2015.<br /> 
+
+Project environment: VS Community 2015.
+
 Language: VB & C#
+
 ###Instruction
+
 Plz Refer to [this](https://github.com/Lentil1016/LTB/blob/master/v1.1/Instruction_v1.1_cn.pdf)
+
 ###Current issues
-Can sometimes make the CATIA instance crash.<br /> 
+
+Can sometimes make the CATIA instance crash.
+
 Can sometimes fail to model at the first time a CATIA instance luanched.
+
 ###About this project
+
 I'm a mechanical major undergraduate, An amateur on programing stuff.<br /> 
+
 These days are busy, I have my machinery design project to do, Update might be slower than usual.
 thanks for your interests. :)