“b12988f008e5c6b49aaff65bfc2fdd2d0aea3fc6”上不存在“...cluster/src/git@gitcode.net:BaiXuePrincess/Paddle.git”
* Unify fluid submodules to fluid module Change books just use `import fluid`, not submodules * Remove g_main_program/g_startup_program Use default_main_program/default_startup_program instead * Typo * Fix CI