diff --git a/ucloud/ucloud.py b/ucloud/ucloud.py
index a62c940..1475dad 100644
--- a/ucloud/ucloud.py
+++ b/ucloud/ucloud.py
@@ -15,7 +15,7 @@ def get_private_url(key, bucket=BUCKET):
         _, resp = UFILE_HANDLER.head_file(bucket, key)
         if resp.status_code == -1:
             logging.warning(f"uCloud连接失败!即将重试...")
-            sleep(1)
+            sleep(3)
             continue
         if resp.status_code != 200:
             logging.warning(f"uCloud中未找到({key})! status: {resp.status_code} error: {resp.error}")
@@ -35,7 +35,7 @@ def copy_file(source_bucket, source_key, target_bucket, target_key):
         ret, resp = UFILE_HANDLER.copy(target_bucket, target_key, source_bucket, source_key)
         if resp.status_code == -1:
             logging.warning(f"uCloud连接失败!即将重试...")
-            sleep(1)
+            sleep(3)
             continue
         if resp.status_code != 200:
             logging.warning(
@@ -50,7 +50,7 @@ def upload_file(key, file_path, bucket=BUCKET):
         ret, resp = UFILE_HANDLER.putfile(bucket, key, file_path, header=None)
         if resp.status_code == -1:
             logging.warning(f"uCloud连接失败!即将重试...")
-            sleep(1)
+            sleep(3)
             continue
         if resp.status_code != 200:
             logging.warning(f"上传({key})失败! status: {resp.status_code} error: {resp.error}")
diff --git a/util/image_util.py b/util/image_util.py
index 45f13bc..02e93c2 100644
--- a/util/image_util.py
+++ b/util/image_util.py
@@ -1,6 +1,7 @@
 import logging
 import math
 import urllib.request
+from time import sleep
 
 import cv2
 import numpy
@@ -14,8 +15,15 @@ def read(image_path):
     :return: NumPy数组形式的图片
     """
     if image_path.startswith("http"):
-        # 发送HTTP请求并获取图像数据
-        resp = urllib.request.urlopen(image_path)
+        resp = None
+        for i in range(3):
+            # 发送HTTP请求并获取图像数据
+            try:
+                resp = urllib.request.urlopen(image_path, timeout=60)
+                break
+            except Exception as e:
+                logging.warning("获取图片失败", exc_info=e)
+                sleep(3)
         # 将数据读取为字节流
         image_data = resp.read()
         # 将字节流转换为NumPy数组