diff --git a/content/6. 文本转换 Transforming.ipynb b/content/6. 文本转换 Transforming.ipynb
index abd59be..d1a43ef 100644
--- a/content/6. 文本转换 Transforming.ipynb	
+++ b/content/6. 文本转换 Transforming.ipynb	
@@ -35,6 +35,7 @@
    "source": [
     "import openai\n",
     "import os\n",
+    "import time\n",
     "OPENAI_API_KEY = os.environ.get(\"OPENAI_API_KEY2\")\n",
     "openai.api_key = OPENAI_API_KEY\n",
     "\n",
@@ -258,6 +259,7 @@
    ],
    "source": [
     "for issue in user_messages:\n",
+    "    time.sleep(20)\n",
     "    prompt = f\"告诉我以下文本是什么语种，直接输出语种，如法语，无需输出标点符号: ```{issue}```\"\n",
     "    lang = get_completion(prompt)\n",
     "    print(f\"原始消息 ({lang}): {issue}\\n\")\n",
@@ -500,6 +502,7 @@
    ],
    "source": [
     "for i in range(len(text)):\n",
+    "    time.sleep(20)\n",
     "    prompt = f\"\"\"请校对并更正以下文本，注意纠正文本保持原始语种，无需输出原始文本。\n",
     "    如果您没有发现任何错误，请说“未发现错误”。\n",
     "    \n",