diff --git a/scripts/launch_phase1_ps.sh b/scripts/launch_phase1_ps.sh
index c5e3c03..8ee9389 100755
--- a/scripts/launch_phase1_ps.sh
+++ b/scripts/launch_phase1_ps.sh
@@ -4,10 +4,11 @@
 # 1 Prefill Service instance (GPU 7, port 8007, kv_both)
 set -euo pipefail
 
-cd /home/admin/cpfs/wjh/agentic-kv
+PROJECT_DIR="${PROJECT_DIR:-$HOME/phd/agentic-kv}"
+cd "$PROJECT_DIR"
 source .venv/bin/activate
 
-MODEL=/home/admin/cpfs/wjh/models/Qwen/Qwen3-Coder-30B-A3B-Instruct
+MODEL="${MODEL_PATH:-$HOME/models/Qwen/Qwen3-Coder-30B-A3B-Instruct}"
 OUTDIR=outputs/phase1_ps
 
 mkdir -p "$OUTDIR"