diff --git a/src/generator.py b/src/generator.py
index 3f36c51..60e85ba 100644
--- a/src/generator.py
+++ b/src/generator.py
@@ -1,9 +1,12 @@
+from functools import lru_cache
+
 from loguru import logger
 
 import models
 import scraper
 
 
+@lru_cache(maxsize=None)
 class Generator:
 
     def __init__(self, rss):
diff --git a/src/tools.py b/src/tools.py
index 2fbfd9a..9271267 100644
--- a/src/tools.py
+++ b/src/tools.py
@@ -109,7 +109,7 @@ def get_yiyan():
     :return:一言
     """
     try:
-        response = requests.get("https://v1.hitokoto.cn/?c=d&min_length=18&max_length=24&encode=text",
+        response = requests.get("https://v1.hitokoto.cn/?c=d&min_length=16&max_length=20&encode=text",
                                 timeout=30)  # Set timeout to 5 seconds
         if response.status_code == 200:
             return response.text