Update README.md to refine project title and description

- Changed project title to include an emoji for better visibility.
- Simplified the project description for clarity.

README.md

@@ -1,8 +1,4 @@
-# 多平台媒体管理系统
-
-<p align="center">
-  <img src="./client/public/favicon.svg" width="128" height="128" alt="Logo">
-</p>
+# 🎬 多平台媒体管理系统
 
 <p align="center">
   <b>一个功能强大的多自媒体平台账号管理系统</b><br>