diff --git a/apps/utils/sms.py b/apps/utils/sms.py
index f6b3dba..31a8724 100644
--- a/apps/utils/sms.py
+++ b/apps/utils/sms.py
@@ -1,5 +1,3 @@
-from aliyunsdkcore.client import AcsClient
-from aliyunsdkcore.request import CommonRequest
 import json
 import logging
 from server.settings import get_sysconfig
@@ -10,6 +8,8 @@ myLogger = logging.getLogger('log')
 
 @auto_log(name='阿里云短信', raise_exception=True, send_mail=True)
 def send_sms(phone: str, template_code: int, template_param: dict):
+    from aliyunsdkcore.client import AcsClient
+    from aliyunsdkcore.request import CommonRequest
     config = get_sysconfig()
     if  config.get("sms", {}).get('enabled', True) is False:
         return
diff --git a/apps/utils/views.py b/apps/utils/views.py
index a8f8194..968733b 100755
--- a/apps/utils/views.py
+++ b/apps/utils/views.py
@@ -1,10 +1,8 @@
 
 import os
-import cv2
 from django.http import HttpResponse
 from apps.utils.errors import SIGN_MAKE_FAIL
 from server.settings import BASE_DIR
-import numpy as np
 from rest_framework.response import Response
 from rest_framework.exceptions import ParseError
 from apps.utils.viewsets import CustomGenericViewSet
@@ -29,6 +27,8 @@ class SignatureViewSet(CustomCreateModelMixin, CustomGenericViewSet):
 
         照片生成透明签名图片
         """
+        import cv2
+        import numpy as np
         path = (BASE_DIR + request.data['path']).replace('\\', '/')
         try:
             image = cv2.imread(path, cv2.IMREAD_UNCHANGED)