diff --git a/runner.py b/runner.py
index 9919138..cbd218b 100644
--- a/runner.py
+++ b/runner.py
@@ -37,7 +37,7 @@ class SimulationRunner:
         self.runner_folder.mkdir(exist_ok=True)
         self.bash_script = self.bash_script.absolute() or Path(__file__).resolve().parent / "md_gromacs.sh"
         # 设置 GMXRC_PATH 环境变量
-        self.gmxrc_path = self.gmxrc_path or Path("/home/lingyuzeng/software/gmx2023.2/bin/GMXRC")
+        self.gmxrc_path = self.gmxrc_path or Path("$HOME/software/gmx2023.2/bin/GMXRC")
 
     def copy_pdb(self):
         shutil.copy(self.pdb_file, self.runner_folder / self.pdb_file.name)