update docker/bot/jd_bot.

fix index

docker/bot/jd_bot

@@ -720,9 +720,9 @@ def shcmd(update, context):
     if is_admin(update.message.from_user.id):
         commands = update.message.text.split()
         commands.remove('/cmd')
-        if len(commands) > 1:
+        if len(commands) > 0:
             support_cmd = ["ls", "cp", "mv", "wget", "cat", "sed", "git", "sh", "docker_entrypoint.sh"]
-            if commands[1] in support_cmd:
+            if commands[0] in support_cmd:
                 cmd = ' '.join(commands)
                 try:
                     out_bytes = subprocess.check_output(
@@ -755,7 +755,7 @@ def shcmd(update, context):
             else:
                 update.message.reply_text(
                     text='```{}```'.format(
-                        helpers.escape_markdown(f' →→→ {commands[1]}指令不在支持命令范围，请输入其他支持的指令{"|".join(commands)} ←←← ')),
+                        helpers.escape_markdown(f' →→→ {commands[0]}指令不在支持命令范围，请输入其他支持的指令{"|".join(support_cmd)} ←←← ')),
                     parse_mode=ParseMode.MARKDOWN_V2)
         else:
             update.message.reply_text(