diff --git a/pdf2zh/high_level.py b/pdf2zh/high_level.py
index f3eafee0..544063fd 100644
--- a/pdf2zh/high_level.py
+++ b/pdf2zh/high_level.py
@@ -10,6 +10,7 @@
 from pathlib import Path
 from typing import Any, BinaryIO, List, Optional
 import concurrent.futures
+import time
 
 import numpy as np
 import requests
@@ -371,7 +372,7 @@ def translate(
 
         if file.startswith(tempfile.gettempdir()):
             os.unlink(file)
-
+        generate_cache_start = time.time()
         with concurrent.futures.ThreadPoolExecutor(
             max_workers=thread
         ) as executor:
@@ -383,6 +384,9 @@ def translate(
                 **locals(),
             )
             print('Translating... Please wait...')
+        print(
+            f"Generate cache time: {time.time() - generate_cache_start:.2f} seconds"
+        )
         s_mono, s_dual = translate_stream(
             s_raw,
             envs=kwarg.get("envs", {}),