更新 READEME.md

READEME.md

@@ -13,6 +13,7 @@ pkg install libc++ openssl lz4 -y
 ls -la $PREFIX/lib/liblz4.so*
 ln -sf $PREFIX/lib/liblz4.so $PREFIX/lib/liblz4.so.1
 ls -la $PREFIX/lib/liblz4.so*
+ln -sf $PREFIX/lib/libexpat.so $PREFIX/lib/libexpat.so.1
 ```
 获取文件权限
 ```