diff --git a/channel/wechat/wechat_channel.py b/channel/wechat/wechat_channel.py
index 34bb9b8..4d01d92 100644
--- a/channel/wechat/wechat_channel.py
+++ b/channel/wechat/wechat_channel.py
@@ -192,10 +192,14 @@ class WechatChannel(ChatChannel):
             logger.info("[WX] sendFile={}, receiver={}".format(reply.content, receiver))
         elif reply.type == ReplyType.IMAGE_URL:  # 从网络下载图片
             img_url = reply.content
+            logger.debug(f"[WX] start download image, img_url={img_url}")
             pic_res = requests.get(img_url, stream=True)
             image_storage = io.BytesIO()
+            size = 0
             for block in pic_res.iter_content(1024):
+                size += len(block)
                 image_storage.write(block)
+            logger.info(f"[WX] download image success, size={size}, img_url={img_url}")
             image_storage.seek(0)
             itchat.send_image(image_storage, toUserName=receiver)
             logger.info("[WX] sendImage url={}, receiver={}".format(img_url, receiver))
diff --git a/plugins/linkai/midjourney.py b/plugins/linkai/midjourney.py
index 735195a..c6c6cfa 100644
--- a/plugins/linkai/midjourney.py
+++ b/plugins/linkai/midjourney.py
@@ -310,7 +310,7 @@ class MJBot:
         # send img
         reply = Reply(ReplyType.IMAGE_URL, task.img_url)
         channel = e_context["channel"]
-        channel._send(reply, e_context["context"])
+        _send(channel, reply, e_context["context"])
 
         # send info
         trigger_prefix = conf().get("plugin_trigger_prefix", "$")
@@ -327,7 +327,7 @@ class MJBot:
             text += f"\n\n🔄使用 {trigger_prefix}mjr 命令重新生成图片\n"
             text += f"例如：\n{trigger_prefix}mjr {task.img_id}"
             reply = Reply(ReplyType.INFO, text)
-            channel._send(reply, e_context["context"])
+            _send(channel, reply, e_context["context"])
 
         self._print_tasks()
         return
@@ -406,6 +406,19 @@ class MJBot:
         return result
 
 
+def _send(channel, reply: Reply, context, retry_cnt=0):
+    try:
+        channel.send(reply, context)
+    except Exception as e:
+        logger.error("[WX] sendMsg error: {}".format(str(e)))
+        if isinstance(e, NotImplementedError):
+            return
+        logger.exception(e)
+        if retry_cnt < 2:
+            time.sleep(3 + 3 * retry_cnt)
+            channel.send(reply, context, retry_cnt + 1)
+
+
 def check_prefix(content, prefix_list):
     if not prefix_list:
         return None