diff --git a/README.md b/README.md
index cdadfe7..751e9c6 100644
--- a/README.md
+++ b/README.md
@@ -1,41 +1,10 @@
 # vKVM TextRenderer
 
+translate a string from terminal to the readable form of shared memory . 
+
 ## Installation
 
 Use the installation script provided in the Scripts repository
 to install the full package.
 
 Installing a single component is currently not supported.
-
-## Target
-
-TextRender build exports an interface target TextRender::TextRender. 
-
-This means that if TextRender has been installed on the Project Path, it 
-should be enough to do.
-
-translate a string from terminal to the readable form of shared memory . 
-
-## Usage
-
-    mkdir build
-    cd build
-    cmake ..
-    make
-
-## Description
-
-TextRender has two class, Bitmap class and Font class. 
-
-res/font.bmp (bitmap data, used by Bitmap::load() function)
-
-res/font.toml (configuration file, it configure how to read the font.bmp)
-
-src/Bitmap class, it used to read the font.bmp file.
-
-src/Font class, it read the font.bmp data by Bitmap class, 
-translate a string to a bitmap.
-
-test folder used to test.
-
-main folder is only used to test now.
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