Update README.md

README.md

@@ -1,6 +1,6 @@
 # 🌊 Wuthering Waves Downloader
 
-*A high-performance, reliable downloader for Wuthering Waves with verification and graceful error handling*
+*A high-performance, reliable downloader for Wuthering Waves with multi-CDN support and verification*
 
 [![Rust](https://img.shields.io/badge/Rust-1.87.0--nightly-orange?logo=rust)](https://www.rust-lang.org/)
 [![License](https://img.shields.io/badge/License-MIT-blue)](LICENSE)
@@ -15,7 +15,7 @@ rustup toolchain install nightly
 rustup default nightly
 ```
 
-### 🛠️ Installation
+### 🛠️ Installation & Usage
 - **Clone the repository:**
 ```bash
 git clone https://github.com/yourusername/wuthering-waves-downloader.git
@@ -30,36 +30,60 @@ cargo build --release
 cargo run --release # (or run the built executable inside target/release/)
 ```
 
-## 🚀 Features
+### 🆕 What's New
+- **Multi-CDN Support** - Automatically tries all available CDNs for each download
+
+- **Version Selection** - Choose between Live/Beta and CN/OS versions
+
+- **GZIP Compression** - Full support for compressed responses
+
+- **Enhanced Progress Tracking** - Cleaner UI with progress in window title
+
+- **Improved Reliability** - Better error handling and recovery
+
+## 🌟 Key Features
+
+### 🚀 Download Management
+- **Multi-CDN Fallback** - Automatically tries all available CDN mirrors
+
+- **Version Selection** - Interactive menu for Live/Beta versions
 
-### 🛠️ Core Functionality
 - **Verified Downloads** - MD5 checksum validation for every file
-- **Batch Processing** - Downloads all game resources sequentially
-- **Network Resiliency** - Timeout protection (30s/60s) with retry logic
-- **HEAD Request Verification** - Pre-checks file availability before download
-- **Automatic Retries** - Configurable retry attempts for failed downloads
 
-### 📂 File Management
-- **Smart Path Handling** - Cross-platform path support with tilde (~) expansion
-- **Auto-directory Creation** - Builds full directory trees as needed
-- **Clean Failed Downloads** - Automatically removes corrupted files
+- **Smart Retry Logic** - 3 retry attempts per CDN with timeout protection
+
+- **GZIP Support** - Handles compressed responses efficiently
+
+### 🛡️ Reliability
+- **Atomic Operations** - Thread-safe progress tracking
+
+- **Graceful Interrupt** - CTRL-C handling with summary display
+
 - **Comprehensive Logging** - Detailed error logging with timestamps
 
+- **Validation Failures** - Auto-removes files with checksum mismatches
+
+### 📂 File Management
+- **Smart Path Handling** - Cross-platform path support
+
+- **Auto-directory Creation** - Builds full directory trees as needed
+
+- **Clean Failed Downloads** - Removes corrupted files automatically
+
 ### 💻 User Interface
-- **Color-coded Output** - Instant visual feedback (success/warning/error)
-- **Progress Tracking** - Real-time counters (`[X/Y]`) for batch downloads  
-- **Interactive Prompts** - Guided directory selection with validation
+- **Color-coded Output** - Clear visual feedback (success/warning/error)
+
 - **Dynamic Title Updates** - Real-time progress in window title
-- **Formatted Duration Display** - Clear elapsed time tracking (HH:MM:SS)
 
-### ⚡ Performance & Safety
-- **Streaming Downloads** - Chunked transfers for memory efficiency
-- **Atomic Operations** - Thread-safe progress tracking
-- **Graceful Interrupt** - CTRL-C handling with summary display
-- **Memory Efficiency** - Minimal allocations during downloads
+- **Clean Progress Display** - Simplified download status without clutter
 
-### 🔒 Reliability
-- **Pre-flight Checks** - HEAD requests verify availability before download
-- **Comprehensive Error Handling** - Network, filesystem, and validation errors
-- **Consistent State** - Never leaves partial downloads on failure
-- **Validation Failures** - Auto-removes files with checksum mismatches
+- **Formatted Duration** - Clear elapsed time display (HH:MM:SS)
+
+### ⚙️ Technical Details
+- **Streaming Downloads** - Memory-efficient chunked transfers
+
+- **HEAD Request Verification** - Pre-checks file availability
+
+- **Multi-threaded** - Safe concurrent progress tracking
+
+- **Configurable Timeouts** - 30s for metadata, 300s for downloads