update README.md.

Signed-off-by: 山东大学-刘明宏 <liuminghong@mail.sdu.edu.cn>

README.md

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 #### 介绍 Introduction
  This project was developed by the Institute of Earth Electromagnetic Exploration, Shandong University, and is dedicated to developing efficient modeling workflows suitable for complex geophysical models.
 
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 #### 开发环境与代码说明 Software architecture
 
 1.  Program language: MATLAB 
 2.  Software required: MATLAB and COMSOL
 3.  Operating system: Windows
 
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 #### 安装教程 Installation
 
 1.  Installing MATLAB 
@@ -24,10 +22,8 @@ The authors recommend installing the latest version of the software.
 2.  Change the lib file path.
 3.  Running MATLAB scripts.
 
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 #### 参与贡献
 
 #### 如何引用 How to Cite
 
  The paper was submitted to Computers & Geosciences under the title "efficient geophysical modeling techniques for complex real geological structures".
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