diff --git a/run.sh b/run.sh
index 9f2a57f..be75fe6 100755
--- a/run.sh
+++ b/run.sh
@@ -1,6 +1,11 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
+if [[ -z "${BASH_VERSION:-}" ]]; then
+  echo "ERROR: bash로 실행하세요. 예) ./run.sh 또는 bash run.sh" >&2
+  exit 1
+fi
+
 cd /home/dsyoon/workspace/stt
 
 CONDA_BASE="/home/dsyoon/workspace/miniconda3"
@@ -23,5 +28,6 @@ if [[ "${RELOAD}" == "1" ]]; then
   UVICORN_ARGS+=("--reload")
 fi
 
+echo "Starting uvicorn on 127.0.0.1:${PORT} (reload=${RELOAD})"
 nohup uvicorn app.main:app "${UVICORN_ARGS[@]}" > server.log 2>&1 &
 echo "Server started (PID: $!). Logs: server.log"