diff --git a/deploy/vector_search/interface.py b/deploy/vector_search/interface.py
index 13e93cadf..fd217304a 100644
--- a/deploy/vector_search/interface.py
+++ b/deploy/vector_search/interface.py
@@ -17,6 +17,7 @@ import paddle
 import numpy.ctypeslib as ctl
 import numpy as np
 import os
+import sys
 import json
 import platform
 
@@ -24,13 +25,19 @@ from ctypes import *
 from numpy.ctypeslib import ndpointer
 
 __dir__ = os.path.dirname(os.path.abspath(__file__))
+winmode = None
 if platform.system() == "Windows":
     lib_filename = "index.dll"
+    if sys.version_info.minor >= 8:
+        winmode = 0x8
 else:
     lib_filename = "index.so"
 so_path = os.path.join(__dir__, lib_filename)
 try:
-    lib = ctypes.cdll.LoadLibrary(so_path)
+    if winmode is not None:
+        lib = ctypes.CDLL(so_path, winmode=winmode)
+    else:
+        lib = ctypes.CDLL(so_path)
 except Exception as ex:
     readme_path = os.path.join(__dir__, "README.md")
     print(
diff --git a/docs/zh_CN/tutorials/quick_start_recognition.md b/docs/zh_CN/tutorials/quick_start_recognition.md
index 662b95d26..391541b53 100644
--- a/docs/zh_CN/tutorials/quick_start_recognition.md
+++ b/docs/zh_CN/tutorials/quick_start_recognition.md
@@ -87,6 +87,7 @@ wget https://paddle-imagenet-models-name.bj.bcebos.com/dygraph/rec/models/infere
 # 下载识别inference模型并解压
 wget https://paddle-imagenet-models-name.bj.bcebos.com/dygraph/rec/models/inference/product_ResNet50_vd_aliproduct_v1.0_infer.tar && tar -xf product_ResNet50_vd_aliproduct_v1.0_infer.tar
 
+cd ../
 # 下载demo数据并解压
 wget https://paddle-imagenet-models-name.bj.bcebos.com/dygraph/rec/data/recognition_demo_data_v1.0.tar && tar -xf recognition_demo_data_v1.0.tar
 ```
diff --git a/requirements.txt b/requirements.txt
index ec8806def..9575884ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 prettytable
 ujson
-opencv-python==4.1.2.30
+opencv-python==4.4.0.46
 pillow
 tqdm
 PyYAML