diff --git a/shell/otask.sh b/shell/otask.sh
index b1397c67..0c15326b 100755
--- a/shell/otask.sh
+++ b/shell/otask.sh
@@ -216,8 +216,13 @@ check_file() {
   if [[ -f $file_env ]]; then
     get_env_array
     if [[ $isJsOrPythonFile == 'true' ]]; then
-      export NODE_OPTIONS="${NODE_OPTIONS} -r ${file_preload_js}"
-      export PYTHONPATH="${PYTHONPATH}:${dir_preload}:${dir_config}"
+      PREV_NODE_OPTIONS="${NODE_OPTIONS}"
+      PREV_PYTHONPATH="${PYTHONPATH}"
+      if [[ $1 == *.js ]] || [[ $1 == *.ts ]]; then
+        export NODE_OPTIONS="${NODE_OPTIONS} -r ${file_preload_js}"
+      else
+        export PYTHONPATH="${PYTHONPATH}:${dir_preload}:${dir_config}"
+      fi
     else
       . $file_env
     fi
@@ -265,6 +270,10 @@ if [[ $isJsOrPythonFile == 'false' ]]; then
   run_task_before "${task_shell_params[@]}"
 fi
 main "${task_shell_params[@]}"
+if [[ $isJsOrPythonFile == 'true' ]]; then
+  export NODE_OPTIONS="${PREV_NODE_OPTIONS}"
+  export PYTHONPATH="${PREV_PYTHONPATH}"
+fi
 run_task_after "${task_shell_params[@]}"
 clear_env
 handle_task_end "${task_shell_params[@]}"
diff --git a/shell/preload/sitecustomize.js b/shell/preload/sitecustomize.js
index 5b670e44..e7cea2ad 100644
--- a/shell/preload/sitecustomize.js
+++ b/shell/preload/sitecustomize.js
@@ -41,10 +41,10 @@ function run() {
     const fileName = process.argv[1].replace(`${dir_scripts}/`, '');
     let command = `bash -c "source ${file_task_before} ${fileName}`;
     if (task_before) {
-      command = `${command} && echo -e '执行前置命令\n' && eval "${task_before}" && echo -e '\n执行前置命令结束\n'`;
+      command = `${command} && echo -e '执行前置命令\n' && eval '${task_before}' && echo -e '\n执行前置命令结束\n'`;
     }
     const res = execSync(
-      `${command} && echo "${splitStr}" && NODE_OPTIONS= node -p 'JSON.stringify(process.env)'"`,
+      `${command} && echo -e '${splitStr}' && NODE_OPTIONS= node -p 'JSON.stringify(process.env)'"`,
       {
         encoding: 'utf-8',
       },
diff --git a/shell/preload/sitecustomize.py b/shell/preload/sitecustomize.py
index 9e8b631d..67c48d38 100644
--- a/shell/preload/sitecustomize.py
+++ b/shell/preload/sitecustomize.py
@@ -54,10 +54,10 @@ def run():
         task_before = os.getenv("task_before")
 
         if task_before:
-            command += f" && echo -e '执行前置命令\n' && eval \"{task_before}\" && echo -e '\n执行前置命令结束\n'"
+            command += f" && echo -e '执行前置命令\n' && eval '{task_before}' && echo -e '\n执行前置命令结束\n'"
 
         python_command = "PYTHONPATH= python3 -c 'import os, json; print(json.dumps(dict(os.environ)))'"
-        command += f' && echo "{split_str}" && {python_command}"'
+        command += f" && echo -e '{split_str}' && {python_command}\""
 
         res = subprocess.check_output(command, shell=True, encoding="utf-8")
         output, env_str = res.split(split_str)