diff --git a/CLAUDE.md b/CLAUDE.md
index b03a4ea..fabcc9b 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -27,6 +27,7 @@ ByeByeCode 是一个 Rust 编写的 Claude Code 状态栏增强工具，用于
 | `fix/issue-9-subscription-usage-display` | Issue #9 修复 | PR #10 | ✅ 已合并 |
 | `feature/progress-bar-usage-display` | 进度条功能 | PR #11 | ✅ 已合并 |
 | `fix/skip-free-subscription` | 跳过 FREE 套餐 | PR #12 | ✅ 已合并 |
+| `feature/simplify-subscription-display` | 精简订阅显示格式 | PR #15 | 🔄 待审核 |
 
 ### 分支工作流
 
diff --git a/src/api/mod.rs b/src/api/mod.rs
index ae2721f..8d81d44 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -26,8 +26,8 @@ impl Default for ApiConfig {
         Self {
             enabled: false,
             api_key: String::new(),
-            usage_url: "https://www.88code.org/api/usage".to_string(),
-            subscription_url: "https://www.88code.org/api/subscription".to_string(),
+            usage_url: "https://www.88code.ai/api/usage".to_string(),
+            subscription_url: "https://www.88code.ai/api/subscription".to_string(),
         }
     }
 }
@@ -257,7 +257,7 @@ fn get_claude_settings_path() -> Option<PathBuf> {
     dirs::home_dir().map(|home| home.join(".claude").join("settings.json"))
 }
 
-/// Read API key from Claude settings.json if base URL is 88code.org or packyapi.com
+/// Read API key from Claude settings.json if base URL is 88code or packyapi
 pub fn get_api_key_from_claude_settings() -> Option<String> {
     let settings_path = get_claude_settings_path()?;
 
@@ -270,9 +270,13 @@ pub fn get_api_key_from_claude_settings() -> Option<String> {
 
     let env = settings.env?;
 
-    // Support both 88code.org and packyapi.com
+    // Support 88code (both .org and .ai), packyapi.com, and rainapp.top (国内线路)
     if let Some(base_url) = env.base_url {
-        if base_url.contains("88code.org") || base_url.contains("packyapi.com") {
+        if base_url.contains("88code.org")
+            || base_url.contains("88code.ai")
+            || base_url.contains("packyapi.com")
+            || base_url.contains("rainapp.top")
+        {
             return env.auth_token;
         }
     }
@@ -295,7 +299,11 @@ pub fn get_usage_url_from_claude_settings() -> Option<String> {
 
     if base_url.contains("packyapi.com") {
         Some("https://www.packyapi.com/api/usage/token/".to_string())
+    } else if base_url.contains("88code.ai") || base_url.contains("rainapp.top") {
+        // 新域名：88code.ai 和国内线路 rainapp.top
+        Some("https://www.88code.ai/api/usage".to_string())
     } else if base_url.contains("88code.org") {
+        // 旧域名兼容
         Some("https://www.88code.org/api/usage".to_string())
     } else {
         None
diff --git a/src/core/segments/byebyecode_subscription.rs b/src/core/segments/byebyecode_subscription.rs
index e4d7910..fd01aed 100644
--- a/src/core/segments/byebyecode_subscription.rs
+++ b/src/core/segments/byebyecode_subscription.rs
@@ -68,7 +68,7 @@ pub fn collect(config: &Config, input: &InputData) -> Option<SegmentData> {
                 .map(|s| s.to_string())
         })
         .or_else(crate::api::get_usage_url_from_claude_settings)
-        .unwrap_or_else(|| "https://www.88code.org/api/usage".to_string());
+        .unwrap_or_else(|| "https://www.88code.ai/api/usage".to_string());
 
     if usage_url.contains("packyapi.com") {
         return None;
diff --git a/src/core/segments/byebyecode_usage.rs b/src/core/segments/byebyecode_usage.rs
index 0ee9431..eeef087 100644
--- a/src/core/segments/byebyecode_usage.rs
+++ b/src/core/segments/byebyecode_usage.rs
@@ -22,7 +22,7 @@ pub fn collect(config: &Config, input: &InputData) -> Option<SegmentData> {
         .filter(|s| !s.is_empty())
         .map(|s| s.to_string())
         .or_else(crate::api::get_usage_url_from_claude_settings)
-        .unwrap_or_else(|| "https://www.88code.org/api/usage".to_string());
+        .unwrap_or_else(|| "https://www.88code.ai/api/usage".to_string());
 
     // 根据 usage_url 判断是哪个服务，并设置动态图标
     let service_name = if usage_url.contains("packyapi.com") {
@@ -58,7 +58,7 @@ pub fn collect(config: &Config, input: &InputData) -> Option<SegmentData> {
         .get("subscription_url")
         .and_then(|v| v.as_str())
         .map(|s| s.to_string())
-        .unwrap_or_else(|| "https://www.88code.org/api/subscription".to_string());
+        .unwrap_or_else(|| "https://www.88code.ai/api/subscription".to_string());
 
     // 从输入数据获取当前使用的模型
     let model_id = &input.model.id;