diff --git a/shell/otask.sh b/shell/otask.sh
index e113f91a..b379b71a 100755
--- a/shell/otask.sh
+++ b/shell/otask.sh
@@ -216,12 +216,12 @@ check_file() {
   if [[ -f $file_env ]]; then
     get_env_array
     if [[ $isJsOrPythonFile == 'true' ]]; then
-      PREV_NODE_OPTIONS="${NODE_OPTIONS:=}"
-      PREV_PYTHONPATH="${PYTHONPATH:=}"
+      export PREV_NODE_OPTIONS="${NODE_OPTIONS:=}"
+      export PREV_PYTHONPATH="${PYTHONPATH:=}"
       if [[ $1 == *.js ]] || [[ $1 == *.ts ]] || [[ $1 == *.mjs ]]; then
-        export NODE_OPTIONS="${NODE_OPTIONS} -r ${file_preload_js}"
+        export NODE_OPTIONS="-r ${file_preload_js} ${NODE_OPTIONS}"
       else
-        export PYTHONPATH="${PYTHONPATH}:${dir_preload}:${dir_config}"
+        export PYTHONPATH="${dir_preload}:${dir_config}:${PYTHONPATH}"
       fi
     else
       . $file_env
diff --git a/shell/preload/sitecustomize.js b/shell/preload/sitecustomize.js
index eaa8e038..00624687 100644
--- a/shell/preload/sitecustomize.js
+++ b/shell/preload/sitecustomize.js
@@ -29,9 +29,12 @@ function run() {
     file_task_before_js,
     dir_scripts,
     task_before,
+    PREV_NODE_OPTIONS
   } = process.env;
 
   try {
+    process.env.NODE_OPTIONS = PREV_NODE_OPTIONS;
+
     const splitStr = '__sitecustomize__';
     const fileName = process.argv[1].replace(`${dir_scripts}/`, '');
     let command = `bash -c "source ${file_task_before} ${fileName}`;
@@ -43,7 +46,7 @@ function run() {
       console.log('执行前置命令\n');
     }
     const res = execSync(
-      `${command} && echo -e '${splitStr}' && NODE_OPTIONS= node -p 'JSON.stringify(process.env)'"`,
+      `${command} && echo -e '${splitStr}' && node -p 'JSON.stringify(process.env)'"`,
       {
         encoding: 'utf-8',
       },
diff --git a/shell/preload/sitecustomize.py b/shell/preload/sitecustomize.py
index 54eb8153..8c2f469a 100644
--- a/shell/preload/sitecustomize.py
+++ b/shell/preload/sitecustomize.py
@@ -36,6 +36,9 @@ def expand_range(range_str, max_value):
 
 def run():
     try:
+        prev_pythonpath = os.getenv("PREV_PYTHONPATH", "")
+        os.environ["PYTHONPATH"] = prev_pythonpath
+
         split_str = "__sitecustomize__"
         file_name = sys.argv[0].replace(f"{os.getenv('dir_scripts')}/", "")
         command = f'bash -c "source {os.getenv("file_task_before")} {file_name}'
@@ -46,7 +49,10 @@ def run():
             command += f" && eval '{escape_task_before}'"
             print("执行前置命令\n")
 
-        python_command = "PYTHONPATH= python3 -c 'import os, json; print(json.dumps(dict(os.environ)))'"
+        prev_pythonpath = os.getenv("PREV_PYTHONPATH", "")
+        python_command = (
+            "python3 -c 'import os, json; print(json.dumps(dict(os.environ)))'"
+        )
         command += f" && echo -e '{split_str}' && {python_command}\""
 
         res = subprocess.check_output(command, shell=True, encoding="utf-8")