diff --git a/README.md b/README.md
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@@ -3,7 +3,9 @@ SLAM is mainly divided into two parts: the front end and the back end. The front
 
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 github：https://github.com/MichaelBeechan
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 CSDN：https://blog.csdn.net/u011344545
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 OF-VO：Robust and Efficient Stereo Visual Odometry Using Points and Feature Optical Flow