diff --git a/biliup/__init__.py b/biliup/__init__.py
index 5679975..020ce07 100644
--- a/biliup/__init__.py
+++ b/biliup/__init__.py
@@ -2,7 +2,7 @@ import logging
 import platform
 import sys
 
-__version__ = "0.4.47"
+__version__ = "0.4.48"
 
 LOG_CONF = {
     'version': 1,
diff --git a/biliup/handler.py b/biliup/handler.py
index 57e2d02..a042fc0 100644
--- a/biliup/handler.py
+++ b/biliup/handler.py
@@ -43,6 +43,9 @@ def singleton_check(platform, name, url):
         return
     # 可能对同一个url同时发送两次上传事件
     with NamedLock(f"upload_count_{url}"):
+        if context['url_upload_count'][url] > 0:
+            logger.debug(f'{url}正在上传中，跳过')
+            return
         # from .handler import event_manager, UPLOAD
         # += 不是原子操作
         context['url_upload_count'][url] += 1