diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index ae9ee85..44f44b7 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -718,7 +718,7 @@ dependencies = [
 
 [[package]]
 name = "claudia"
-version = "1.2.0"
+version = "1.2.2"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/src-tauri/src/commands/packycode_nodes.rs b/src-tauri/src/commands/packycode_nodes.rs
index af0031c..7e8f86b 100644
--- a/src-tauri/src/commands/packycode_nodes.rs
+++ b/src-tauri/src/commands/packycode_nodes.rs
@@ -69,6 +69,14 @@ pub fn get_all_nodes() -> Vec<PackycodeNode> {
             response_time: None,
             available: None,
         },
+        PackycodeNode {
+            name: "公交车 US-CN2".to_string(),
+            url: "https://api-us-cn2.packycode.com".to_string(),
+            node_type: NodeType::Direct,
+            description: "美国 CN2 线路（公交车）".to_string(),
+            response_time: None,
+            available: None,
+        },
         // 滴滴车节点 (Taxi Service)
         PackycodeNode {
             name: "滴滴车默认节点".to_string(),
@@ -102,6 +110,14 @@ pub fn get_all_nodes() -> Vec<PackycodeNode> {
             response_time: None,
             available: None,
         },
+        PackycodeNode {
+            name: "滴滴车 US-CN2".to_string(),
+            url: "https://share-api-us-cn2.packycode.com".to_string(),
+            node_type: NodeType::Direct,
+            description: "美国 CN2 线路（滴滴车）".to_string(),
+            response_time: None,
+            available: None,
+        },
     ]
 }
 
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index 495badf..8505138 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -18,7 +18,7 @@
       }
     ],
     "security": {
-      "csp": "default-src 'self'; img-src 'self' asset: https://asset.localhost blob: data:; style-src 'self' 'unsafe-inline' blob: data: asset: https://asset.localhost; style-src-elem 'self' 'unsafe-inline' blob: data: asset: https://asset.localhost; style-src-attr 'self' 'unsafe-inline'; script-src 'self' 'unsafe-eval' https://app.posthog.com https://*.posthog.com https://*.i.posthog.com https://*.assets.i.posthog.com; worker-src 'self' blob: asset: https://asset.localhost; font-src 'self' data: blob: asset: https://asset.localhost; connect-src 'self' ipc: http://ipc.localhost https://ipc.localhost https://app.posthog.com https://*.posthog.com https://*.i.posthog.com https://api.packycode.com https://api-hk-cn2.packycode.com https://api-hk-g.packycode.com https://api-cf-pro.packycode.com https://share-api.packycode.com https://share-api-hk-cn2.packycode.com https://share-api-hk-g.packycode.com https://share-api-cf-pro.packycode.com",
+      "csp": "default-src 'self'; img-src 'self' asset: https://asset.localhost blob: data:; style-src 'self' 'unsafe-inline' blob: data: asset: https://asset.localhost; style-src-elem 'self' 'unsafe-inline' blob: data: asset: https://asset.localhost; style-src-attr 'self' 'unsafe-inline'; script-src 'self' 'unsafe-eval' https://app.posthog.com https://*.posthog.com https://*.i.posthog.com https://*.assets.i.posthog.com; worker-src 'self' blob: asset: https://asset.localhost; font-src 'self' data: blob: asset: https://asset.localhost; connect-src 'self' ipc: http://ipc.localhost https://ipc.localhost https://app.posthog.com https://*.posthog.com https://*.i.posthog.com https://api.packycode.com https://api-hk-cn2.packycode.com https://api-hk-g.packycode.com https://api-cf-pro.packycode.com https://api-us-cn2.packycode.com https://share-api.packycode.com https://share-api-hk-cn2.packycode.com https://share-api-hk-g.packycode.com https://share-api-cf-pro.packycode.com https://share-api-us-cn2.packycode.com",
       "assetProtocol": {
         "enable": true,
         "scope": [
diff --git a/src/components/RelayStationManager.tsx b/src/components/RelayStationManager.tsx
index 5f8b44c..45fb5be 100644
--- a/src/components/RelayStationManager.tsx
+++ b/src/components/RelayStationManager.tsx
@@ -1143,7 +1143,8 @@ const CreateStationDialog: React.FC<{
             { url: "https://api.packycode.com", name: "🚌 公交车默认节点" },
             { url: "https://api-hk-cn2.packycode.com", name: "🇭🇰 公交车 HK-CN2" },
             { url: "https://api-hk-g.packycode.com", name: "🇭🇰 公交车 HK-G" },
-            { url: "https://api-cf-pro.packycode.com", name: "☁️ 公交车 CF-Pro" }
+            { url: "https://api-cf-pro.packycode.com", name: "☁️ 公交车 CF-Pro" },
+            { url: "https://api-us-cn2.packycode.com", name: "🇺🇸 公交车 US-CN2" }
           ];
           
           await performSpeedTest(busNodes, (bestNode) => {
@@ -1156,7 +1157,8 @@ const CreateStationDialog: React.FC<{
             { url: "https://share-api.packycode.com", name: "🚗 滴滴车默认节点" },
             { url: "https://share-api-hk-cn2.packycode.com", name: "🇭🇰 滴滴车 HK-CN2" },
             { url: "https://share-api-hk-g.packycode.com", name: "🇭🇰 滴滴车 HK-G" },
-            { url: "https://share-api-cf-pro.packycode.com", name: "☁️ 滴滴车 CF-Pro" }
+            { url: "https://share-api-cf-pro.packycode.com", name: "☁️ 滴滴车 CF-Pro" },
+            { url: "https://share-api-us-cn2.packycode.com", name: "🇺🇸 滴滴车 US-CN2" }
           ];
           
           await performSpeedTest(taxiNodes, (bestNode) => {
@@ -1431,6 +1433,9 @@ const CreateStationDialog: React.FC<{
                     <SelectItem value="https://api-cf-pro.packycode.com">
                       ☁️ 公交车 CF-Pro
                     </SelectItem>
+                    <SelectItem value="https://api-us-cn2.packycode.com">
+                      🇺🇸 公交车 US-CN2
+                    </SelectItem>
                   </SelectContent>
                   </Select>
                 </div>
@@ -1490,6 +1495,9 @@ const CreateStationDialog: React.FC<{
                       <SelectItem value="https://share-api-cf-pro.packycode.com">
                         ☁️ 滴滴车 CF-Pro
                       </SelectItem>
+                      <SelectItem value="https://share-api-us-cn2.packycode.com">
+                        🇺🇸 滴滴车 US-CN2
+                      </SelectItem>
                     </SelectContent>
                   </Select>
                 </div>
@@ -1913,7 +1921,8 @@ const EditStationDialog: React.FC<{
             { url: "https://api.packycode.com", name: "🚌 公交车默认节点" },
             { url: "https://api-hk-cn2.packycode.com", name: "🇭🇰 公交车 HK-CN2" },
             { url: "https://api-hk-g.packycode.com", name: "🇭🇰 公交车 HK-G" },
-            { url: "https://api-cf-pro.packycode.com", name: "☁️ 公交车 CF-Pro" }
+            { url: "https://api-cf-pro.packycode.com", name: "☁️ 公交车 CF-Pro" },
+            { url: "https://api-us-cn2.packycode.com", name: "🇺🇸 公交车 US-CN2" }
           ];
           
           await new Promise<void>((resolve) => {
@@ -1978,7 +1987,8 @@ const EditStationDialog: React.FC<{
             { url: "https://share-api.packycode.com", name: "🚗 滴滴车默认节点" },
             { url: "https://share-api-hk-cn2.packycode.com", name: "🇭🇰 滴滴车 HK-CN2" },
             { url: "https://share-api-hk-g.packycode.com", name: "🇭🇰 滴滴车 HK-G" },
-            { url: "https://share-api-cf-pro.packycode.com", name: "☁️ 滴滴车 CF-Pro" }
+            { url: "https://share-api-cf-pro.packycode.com", name: "☁️ 滴滴车 CF-Pro" },
+            { url: "https://share-api-us-cn2.packycode.com", name: "🇺🇸 滴滴车 US-CN2" }
           ];
           
           await new Promise<void>((resolve) => {
@@ -2295,22 +2305,19 @@ const EditStationDialog: React.FC<{
                     </SelectTrigger>
                     <SelectContent>
                       <SelectItem value="https://api.packycode.com">
-                        🚌 直连1（默认公交车）
+                        🚌 公交车默认节点
                       </SelectItem>
                       <SelectItem value="https://api-hk-cn2.packycode.com">
-                        🇭🇰 直连2 (HK-CN2)
+                        🇭🇰 公交车 HK-CN2
                       </SelectItem>
-                      <SelectItem value="https://api-us-cmin2.packycode.com">
-                        🇺🇸 直连3 (US-CMIN2)
-                      </SelectItem>
-                      <SelectItem value="https://api-us-4837.packycode.com">
-                        🇺🇸 直连4 (US-4837)
+                      <SelectItem value="https://api-hk-g.packycode.com">
+                        🇭🇰 公交车 HK-G
                       </SelectItem>
                       <SelectItem value="https://api-us-cn2.packycode.com">
-                        🔄 备用1 (US-CN2)
+                        🇺🇸 公交车 US-CN2
                       </SelectItem>
                       <SelectItem value="https://api-cf-pro.packycode.com">
-                        ☁️ 备用2 (CF-Pro)
+                        ☁️ 公交车 CF-Pro
                       </SelectItem>
                     </SelectContent>
                   </Select>
@@ -2371,6 +2378,9 @@ const EditStationDialog: React.FC<{
                       <SelectItem value="https://share-api-cf-pro.packycode.com">
                         ☁️ 滴滴车 CF-Pro
                       </SelectItem>
+                      <SelectItem value="https://share-api-us-cn2.packycode.com">
+                        🇺🇸 滴滴车 US-CN2
+                      </SelectItem>
                     </SelectContent>
                   </Select>
                 </div>