diff --git a/README.md b/README.md
index ee14d995f..c4a35bb15 100644
--- a/README.md
+++ b/README.md
@@ -481,7 +481,7 @@ openGauss-server中的build.sh是编译过程中的重要脚本工具。该工
    export CODE_BASE=________     # Path of the openGauss-server file
    export BINARYLIBS=________    # Path of the binarylibs file
    export GAUSSHOME=$CODE_BASE/dest/
-   export GCC_PATH=$BINARYLIBS/buildtools/***/gcc=7.3/
+   export GCC_PATH=$BINARYLIBS/buildtools/***/gcc7.3/
    export CC=$GCC_PATH/gcc/bin/gcc
    export CXX=$GCC_PATH/gcc/bin/g++
    export LD_LIBRARY_PATH=$GAUSSHOME/lib:$GCC_PATH/gcc/lib64:$GCC_PATH/isl/lib:$GCC_PATH/mpc/lib/:$GCC_PATH/mpfr/lib/:$GCC_PATH/gmp/lib/:$LD_LIBRARY_PATH