Update README.md

Author: glide-the

README.md

@@ -279,12 +279,15 @@ Error codes are as followed:
 
 
 ### 更新日志
+
 `2024-8-12`  
 - 修改视频提示词可选,增加文件删除
 - Assistant业务
 - embedding 3 fix dimensions
+  
 `2024-7-25`  
 - cogvideo 修复
+  
 `2024-7-12` 
 - 高级搜索工具 Web search 业务 
 - specified Python versions (3.8, 3.9, 3.10, 3.11, 3.12)