diff --git a/app/api/ai_assist/service.py b/app/api/ai_assist/service.py
index afecc53..68f739b 100644
--- a/app/api/ai_assist/service.py
+++ b/app/api/ai_assist/service.py
@@ -11,7 +11,7 @@ async def get_and_set_last_key(redis: Redis, word: str, user_id: str):
     print(last_word)
 
     # 如果上一次查的词和这次不同，就清空旧词的记录
-    if last_word and last_word != word:
+    if last_word and last_word.decode() != word:
         await clear_chat_history(redis, user_id, last_word.decode())
 
     # 更新当前词
diff --git a/app/api/search_dict/routes.py b/app/api/search_dict/routes.py
index 7dd94d7..f8ff0c3 100644
--- a/app/api/search_dict/routes.py
+++ b/app/api/search_dict/routes.py
@@ -67,7 +67,10 @@ async def search(request: Request, body: SearchRequest, user=Depends(get_current
     :param user:
     :return:
     """
+    redis = request.app.state.redis
+
     query = body.query
+
     if body.language == 'fr':
         query = normalize_text(query)
         word_contents = await (
@@ -100,6 +103,9 @@ async def search(request: Request, body: SearchRequest, user=Depends(get_current
                     eng_explanation=wc.eng_explanation,
                 )
             )
+
+        await service.search_time_updates(redis)
+
         return WordSearchResponse(
             query=query,
             pos=pos_contents,
@@ -130,6 +136,9 @@ async def search(request: Request, body: SearchRequest, user=Depends(get_current
                     example=wc.example,
                 )
             )
+
+        await service.search_time_updates(redis)
+
         return WordSearchResponse(
             query=query,
             pos=pos_contents,
diff --git a/app/api/search_dict/service.py b/app/api/search_dict/service.py
index df625cf..c76056d 100644
--- a/app/api/search_dict/service.py
+++ b/app/api/search_dict/service.py
@@ -2,6 +2,7 @@ import re
 from typing import List, Tuple, Dict, Literal, Type
 
 from fastapi import HTTPException
+from redis.asyncio import Redis
 from tortoise import Tortoise, Model
 from tortoise.expressions import Q
 
@@ -12,6 +13,12 @@ from app.utils.textnorm import normalize_text
 from settings import TORTOISE_ORM
 
 
+async def search_time_updates(redis: Redis) -> None:
+    key = "search_times"
+
+    await redis.incr(key, 1)
+
+
 async def detect_language(text: str) -> Tuple[str, str, bool]:
     """
     自动检测输入语言:
diff --git a/app/api/util_api/__init__.py b/app/api/util_api/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/api/util_api/routes.py b/app/api/util_api/routes.py
new file mode 100644
index 0000000..58c748b
--- /dev/null
+++ b/app/api/util_api/routes.py
@@ -0,0 +1,20 @@
+#TODO 更新接口文档
+from fastapi import APIRouter
+from starlette.requests import Request
+
+ulit_router = APIRouter()
+
+@ulit_router.get("/search_time", tags=["search times"])
+async def get_search_time(request: Request):
+    redis = request.app.state.redis
+
+    key = f"search_time"
+
+    count = int(await redis.get(key))
+    if not count:
+        await redis.set(key, value=0)
+        count = 0
+
+    return {
+        "count": count,
+    }
diff --git a/main.py b/main.py
index 8b6d2f6..8aca619 100644
--- a/main.py
+++ b/main.py
@@ -15,6 +15,7 @@ from app.api.redis_test import redis_test_router
 from app.api.search_dict.routes import dict_search
 from app.api.translator import translator_router
 from app.api.user.routes import users_router
+from app.api.util_api.routes import ulit_router
 from app.api.word_comment.routes import word_comment_router
 from app.core.redis import init_redis, close_redis
 from app.utils.phone_encrypt import PhoneEncrypt
@@ -67,5 +68,7 @@ app.include_router(pron_test_router, tags=["Pron Test API"], prefix="/test/pron"
 
 app.include_router(article_router, tags=["Article API"])
 
+app.include_router(ulit_router, tags=["Util Functions API"])
+
 if __name__ == "__main__":
     uvicorn.run("main:app", host="127.0.0.1", port=8000, reload=True)