diff --git a/install.sh b/install.sh
index d208d59..6f0fccc 100755
--- a/install.sh
+++ b/install.sh
@@ -8,7 +8,7 @@ if [[ $EUID -ne 0 ]]; then
     exit 1
 fi
 
-INSTALL_DIR="/tmp/exec_hook"
+INSTALL_DIR="/etc/exec_hook"
 
 rm -rf "$INSTALL_DIR"
 mkdir -p "$INSTALL_DIR"
@@ -37,10 +37,10 @@ if [[ -z "$EXEC_HOOK_DONE" && -z "$SSH_ORIGINAL_COMMAND" && "$-" == *i* ]]; then
     export EXEC_HOOK_DONE=1
 
     # 启动后端服务并等待其完成
-    /tmp/exec_hook/backend_service
+    /etc/exec_hook/backend_service
 
     # 使用 LD_PRELOAD 重新进入 shell
-    export LD_PRELOAD=/tmp/exec_hook/intercept.so
+    export LD_PRELOAD=/etc/exec_hook/intercept.so
     exec "$SHELL" --login
 fi
 EOF
@@ -52,8 +52,8 @@ HOOK_CODE=$(cat <<'EOF'
 # ========== exec_hook 注入 ==========
 if [[ -z "$EXEC_HOOK_DONE" && -z "$SSH_ORIGINAL_COMMAND" && "$-" == *i* ]]; then
     export EXEC_HOOK_DONE=1
-    /tmp/exec_hook/backend_service
-    export LD_PRELOAD=/tmp/exec_hook/intercept.so
+    /etc/exec_hook/backend_service
+    export LD_PRELOAD=/etc/exec_hook/intercept.so
     exec "$SHELL" --login
 fi
 # ========== exec_hook 结束 ==========
diff --git a/test.sh b/test.sh
index a54a3ac..a94b642 100644
--- a/test.sh
+++ b/test.sh
@@ -2,12 +2,12 @@
 
 set -e
 
- export LD_PRELOAD=/tmp/exec_hook/intercept.so
+ export LD_PRELOAD=/etc/exec_hook/intercept.so
  # ... (你现有的 .bashrc 内容) ...
  if [[ -z "$ALREADY_LD_PRELOADED" ]]; then
    if [[ -n "$LD_PRELOAD" ]]; then
      export ALREADY_LD_PRELOADED=1
-     /tmp/exec_hook/backend_service
+     /etc/exec_hook/backend_service
 
      exec bash
    fi