修改中转站

2025-09-06 15:07:09 +08:00
parent e8fe999d16
commit a91b3ebbb2
7 changed files with 473 additions and 90 deletions
--- a/src-tauri/src/commands/mod.rs
+++ b/src-tauri/src/commands/mod.rs
@@ -15,3 +15,4 @@ pub mod filesystem;
 pub mod git;
 pub mod terminal;
 pub mod ccr;
+pub mod system;
--- a/src-tauri/src/commands/system.rs
+++ b/src-tauri/src/commands/system.rs
@@ -0,0 +1,62 @@
+use std::process::{Command, Stdio};
+
+/// Flush system DNS cache across platforms
+#[tauri::command]
+pub async fn flush_dns() -> Result<String, String> {
+    #[cfg(target_os = "windows")]
+    {
+        let output = Command::new("ipconfig")
+            .arg("/flushdns")
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .output()
+            .map_err(|e| format!("Failed to execute ipconfig: {}", e))?;
+        if output.status.success() {
+            return Ok("DNS cache flushed".into());
+        } else {
+            let err = String::from_utf8_lossy(&output.stderr).to_string();
+            return Err(if err.is_empty() { "ipconfig /flushdns failed".into() } else { err });
+        }
+    }
+
+    #[cfg(target_os = "macos")]
+    {
+        let output = Command::new("dscacheutil")
+            .arg("-flushcache")
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .output()
+            .map_err(|e| format!("Failed to execute dscacheutil: {}", e))?;
+        if output.status.success() {
+            return Ok("DNS cache flushed".into());
+        } else {
+            let err = String::from_utf8_lossy(&output.stderr).to_string();
+            return Err(if err.is_empty() { "dscacheutil -flushcache failed".into() } else { err });
+        }
+    }
+
+    #[cfg(target_os = "linux")]
+    {
+        // Try common Linux methods in order
+        let attempts: Vec<(&str, Vec<&str>)> = vec![
+            ("resolvectl", vec!["flush-caches"]),
+            ("systemd-resolve", vec!["--flush-caches"]),
+            ("sh", vec!["-c", "service nscd restart || service dnsmasq restart || rc-service nscd restart"]),
+        ];
+
+        for (cmd, args) in attempts {
+            if let Ok(output) = Command::new(cmd)
+                .args(&args)
+                .stdout(Stdio::piped())
+                .stderr(Stdio::piped())
+                .output()
+            {
+                if output.status.success() {
+                    return Ok("DNS cache flushed".into());
+                }
+            }
+        }
+        Err("No supported DNS flush method succeeded on this Linux system".into())
+    }
+}
+
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -83,6 +83,7 @@ use commands::ccr::{
    check_ccr_installation, get_ccr_version, get_ccr_service_status, start_ccr_service,
    stop_ccr_service, restart_ccr_service, open_ccr_ui, get_ccr_config_path,
 };
+use commands::system::flush_dns;
 use process::ProcessRegistryState;
 use file_watcher::FileWatcherState;
 use std::sync::Mutex;
@@ -431,6 +432,9 @@ fn main() {
            restart_ccr_service,
            open_ccr_ui,
            get_ccr_config_path,
+            
+            // System utilities
+            flush_dns,
        ])
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
--- a/src/components/RelayStationManager.tsx
+++ b/src/components/RelayStationManager.tsx
@@ -64,6 +64,7 @@ const RelayStationManager: React.FC<RelayStationManagerProps> = ({ onBack }) =>
  const [editingConfig, setEditingConfig] = useState(false);
  const [configJson, setConfigJson] = useState<string>('');
  const [savingConfig, setSavingConfig] = useState(false);
+  const [flushingDns, setFlushingDns] = useState(false);
  const [toast, setToast] = useState<{ message: string; type: "success" | "error" } | null>(null);

  // PackyCode 额度相关状态
@@ -158,6 +159,20 @@ const RelayStationManager: React.FC<RelayStationManagerProps> = ({ onBack }) =>
    }
  };

+  // 刷新 DNS 缓存
+  const handleFlushDns = async () => {
+    try {
+      setFlushingDns(true);
+      await api.flushDns();
+      showToast(t('relayStation.flushDnsSuccess'), 'success');
+    } catch (error) {
+      console.error('Failed to flush DNS:', error);
+      showToast(t('relayStation.flushDnsFailed'), 'error');
+    } finally {
+      setFlushingDns(false);
+    }
+  };
+

  // 查询 PackyCode 额度
  const fetchPackycodeQuota = async (stationId: string) => {
@@ -410,14 +425,29 @@ const RelayStationManager: React.FC<RelayStationManagerProps> = ({ onBack }) =>
            <div className="space-y-2">
              <div className="flex justify-between items-center mb-2">
                <span className="text-sm font-medium">{t('relayStation.configPreview')}</span>
-                <Button
-                  variant="outline"
-                  size="sm"
-                  onClick={() => setJsonConfigView(true)}
-                >
-                  <Eye className="h-4 w-4 mr-1" />
-                  {t('relayStation.viewJson')}
-                </Button>
+                <div className="flex gap-2">
+                  <Button
+                    variant="outline"
+                    size="sm"
+                    onClick={() => setJsonConfigView(true)}
+                  >
+                    <Eye className="h-4 w-4 mr-1" />
+                    {t('relayStation.viewJson')}
+                  </Button>
+                  <Button
+                    variant="outline"
+                    size="sm"
+                    onClick={handleFlushDns}
+                    disabled={flushingDns}
+                  >
+                    {flushingDns ? (
+                      <div className="h-4 w-4 animate-spin rounded-full border-b-2 border-current mr-1" />
+                    ) : (
+                      <RefreshCw className="h-4 w-4 mr-1" />
+                    )}
+                    {t('relayStation.flushDns')}
+                  </Button>
+                </div>
              </div>
              <div className="space-y-2 text-sm">
                <div className="flex items-start gap-2">
@@ -755,6 +785,12 @@ const CreateStationDialog: React.FC<{
  const [formToast, setFormToast] = useState<{ message: string; type: "success" | "error" } | null>(null);
  const [packycodeService, setPackycodeService] = useState<string>('bus'); // 默认公交车
  const [packycodeNode, setPackycodeNode] = useState<string>('https://api.packycode.com'); // 默认节点（公交车用）
+  const [packycodeTaxiNode, setPackycodeTaxiNode] = useState<string>('https://share-api.packycode.com'); // 滴滴车节点
+  
+  // 测速弹出框状态
+  const [showSpeedTestModal, setShowSpeedTestModal] = useState(false);
+  const [speedTestResults, setSpeedTestResults] = useState<{ url: string; name: string; responseTime: number | null; status: 'testing' | 'success' | 'failed' }[]>([]);
+  const [speedTestInProgress, setSpeedTestInProgress] = useState(false);

  const { t } = useTranslation();

@@ -788,6 +824,75 @@ const CreateStationDialog: React.FC<{
    }
  };

+  // 通用测速函数
+  const performSpeedTest = async (nodes: { url: string; name: string }[], onComplete: (bestNode: { url: string; name: string }) => void) => {
+    setShowSpeedTestModal(true);
+    setSpeedTestInProgress(true);
+    
+    // 初始化测速结果
+    const initialResults = nodes.map(node => ({
+      url: node.url,
+      name: node.name,
+      responseTime: null,
+      status: 'testing' as const
+    }));
+    setSpeedTestResults(initialResults);
+    
+    let bestNode = nodes[0];
+    let minTime = Infinity;
+    
+    // 并行测试所有节点
+    const testPromises = nodes.map(async (node, index) => {
+      try {
+        const startTime = Date.now();
+        await fetch(node.url, { 
+          method: 'HEAD',
+          timeout: 5000,
+          mode: 'no-cors'
+        });
+        const responseTime = Date.now() - startTime;
+        
+        // 更新单个节点的测试结果
+        setSpeedTestResults(prev => prev.map((result, i) => 
+          i === index ? { ...result, responseTime, status: 'success' } : result
+        ));
+        
+        if (responseTime < minTime) {
+          minTime = responseTime;
+          bestNode = node;
+        }
+        
+        return { node, responseTime };
+      } catch (error) {
+        console.log(`Node ${node.url} failed:`, error);
+        // 标记节点为失败
+        setSpeedTestResults(prev => prev.map((result, i) => 
+          i === index ? { ...result, responseTime: null, status: 'failed' } : result
+        ));
+        return { node, responseTime: null };
+      }
+    });
+    
+    try {
+      await Promise.all(testPromises);
+      // 测试完成后等待2秒让用户看到结果
+      setTimeout(() => {
+        setSpeedTestInProgress(false);
+        onComplete(bestNode);
+        // 再等1秒后关闭弹框
+        setTimeout(() => {
+          setShowSpeedTestModal(false);
+        }, 1000);
+      }, 2000);
+    } catch (error) {
+      console.error('Speed test failed:', error);
+      setSpeedTestInProgress(false);
+      setTimeout(() => {
+        setShowSpeedTestModal(false);
+      }, 1000);
+    }
+  };
+
  // 当适配器改变时更新认证方式和 URL
  useEffect(() => {
    if (formData.adapter === 'packycode') {
@@ -795,7 +900,7 @@ const CreateStationDialog: React.FC<{
        ...prev,
        auth_method: 'api_key', // PackyCode 固定使用 API Key
        api_url: packycodeService === 'taxi'
-          ? 'https://share-api.packycode.com'
+          ? packycodeTaxiNode
          : packycodeNode
      }));
    } else if (formData.adapter === 'custom') {
@@ -809,7 +914,7 @@ const CreateStationDialog: React.FC<{
        auth_method: 'bearer_token'
      }));
    }
-  }, [formData.adapter, packycodeService, packycodeNode]);
+  }, [formData.adapter, packycodeService, packycodeNode, packycodeTaxiNode]);

  // 自动填充中转站名称
  const fillStationName = (serviceType: string) => {
@@ -1122,7 +1227,7 @@ const CreateStationDialog: React.FC<{
              </div>
              <p className="text-xs text-muted-foreground mt-3">
                {packycodeService === 'taxi'
-                  ? `${t('relayStation.fixedUrl')}: https://share-api.packycode.com`
+                  ? t('relayStation.taxiServiceNote')
                  : t('relayStation.busServiceNote')
                }
              </p>
@@ -1178,18 +1283,18 @@ const CreateStationDialog: React.FC<{
                  type="button"
                  variant="outline"
                  onClick={async () => {
-                    setFormToast({ message: "正在测速，请稍候...", type: "success" });
-                    try {
-                      const best = await api.autoSelectBestNode();
-                      setPackycodeNode(best.url);
-                      setFormData(prev => ({ ...prev, api_url: best.url }));
-                      setFormToast({
-                        message: `已选择最快节点: ${best.name} (延迟: ${best.response_time}ms)`,
-                        type: "success"
-                      });
-                    } catch (error) {
-                      setFormToast({ message: "节点测速失败", type: "error" });
-                    }
+                    const busNodes = [
+                      { url: "https://api.packycode.com", name: "🚌 直连1（默认公交车）" },
+                      { url: "https://api-hk-cn2.packycode.com", name: "🇭🇰 直连2 (HK-CN2)" },
+                      { url: "https://api-us-cmin2.packycode.com", name: "🇺🇸 直连3 (US-CMIN2)" },
+                      { url: "https://api-us-4837.packycode.com", name: "🇺🇸 直连4 (US-4837)" },
+                      { url: "https://api-us-cn2.packycode.com", name: "🔄 备用1 (US-CN2)" },
+                      { url: "https://api-cf-pro.packycode.com", name: "☁️ 备用2 (CF-Pro)" }
+                    ];
+                    
+                    await performSpeedTest(busNodes, (bestNode) => {
+                      setPackycodeNode(bestNode.url);
+                    });
                  }}
                >
                  自动选择
@@ -1203,6 +1308,58 @@ const CreateStationDialog: React.FC<{
          </div>
        )}

+        {formData.adapter === 'packycode' && packycodeService === 'taxi' && (
+          <div className="space-y-2">
+            <Label>{t('relayStation.nodeSelection')}</Label>
+            <div className="space-y-2">
+              <div className="flex gap-2">
+                <div className="flex-1">
+                  <Select
+                    value={packycodeTaxiNode}
+                    onValueChange={(value: string) => setPackycodeTaxiNode(value)}
+                  >
+                    <SelectTrigger>
+                      <SelectValue placeholder={t('relayStation.selectNode')} />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="https://share-api.packycode.com">
+                        🚗 直连1（默认滴滴车）
+                      </SelectItem>
+                      <SelectItem value="https://share-api-cf-pro.packycode.com">
+                        ☁️ 备用1 (CF-Pro)
+                      </SelectItem>
+                      <SelectItem value="https://share-api-hk-cn2.packycode.com">
+                        🇭🇰 备用2 (HK-CN2)
+                      </SelectItem>
+                    </SelectContent>
+                  </Select>
+                </div>
+                <Button
+                  type="button"
+                  variant="outline"
+                  onClick={async () => {
+                    const taxiNodes = [
+                      { url: "https://share-api.packycode.com", name: "🚗 直连1（默认滴滴车）" },
+                      { url: "https://share-api-cf-pro.packycode.com", name: "☁️ 备用1 (CF-Pro)" },
+                      { url: "https://share-api-hk-cn2.packycode.com", name: "🇭🇰 备用2 (HK-CN2)" }
+                    ];
+                    
+                    await performSpeedTest(taxiNodes, (bestNode) => {
+                      setPackycodeTaxiNode(bestNode.url);
+                    });
+                  }}
+                >
+                  自动选择
+                </Button>
+              </div>
+
+              <p className="text-xs text-muted-foreground">
+                {t('relayStation.selectedNode') + ': ' + packycodeTaxiNode}
+              </p>
+            </div>
+          </div>
+        )}
+
        <div className="space-y-2">
          <Label htmlFor="description">{t('relayStation.description')}</Label>
          <Textarea
@@ -1330,41 +1487,8 @@ const CreateStationDialog: React.FC<{
          </div>
        )}

-        <div className="flex items-center justify-between p-3 bg-muted/30 rounded-lg">
-          <div className="flex items-center space-x-3">
-            <Switch
-              id="enabled"
-              checked={formData.enabled}
-              onCheckedChange={(checked) =>
-                setFormData(prev => ({ ...prev, enabled: checked }))
-              }
-            />
-            <div>
-              <Label htmlFor="enabled" className="text-sm font-medium cursor-pointer">
-                {t('relayStation.enabled')}
-              </Label>
-              <p className="text-xs text-muted-foreground">
-                {t('relayStation.enabledNote')}
-              </p>
-            </div>
-          </div>
-        </div>

-        {/* 仅在选择 Custom 时显示名称输入框 */}
-        {formData.adapter === 'custom' && (
-          <div className="space-y-2">
-            <Label htmlFor="custom-name">{t('relayStation.name')} *</Label>
-            <Input
-              id="custom-name"
-              value={formData.name}
-              onChange={(e) => setFormData(prev => ({ ...prev, name: e.target.value }))}
-              placeholder={t('relayStation.namePlaceholder')}
-              className="w-full"
-            />
-          </div>
-        )}
-
-        <div className="flex justify-end space-x-3 pt-3 border-t">
+        <div className="flex justify-end space-x-3 pt-3">
          <Button type="button" variant="outline" onClick={() => {}}>
            {t('common.cancel')}
          </Button>
@@ -1388,6 +1512,56 @@ const CreateStationDialog: React.FC<{
          onDismiss={() => setFormToast(null)}
        />
      )}
+
+      {/* 测速弹出框 */}
+      <Dialog open={showSpeedTestModal} onOpenChange={setShowSpeedTestModal}>
+        <DialogContent className="sm:max-w-[500px]">
+          <DialogHeader>
+            <DialogTitle>{t('relayStation.speedTest')}</DialogTitle>
+          </DialogHeader>
+          <div className="space-y-4">
+            <div className="text-sm text-muted-foreground">
+              {speedTestInProgress ? t('relayStation.testingNodes') : t('relayStation.testCompleted')}
+            </div>
+            <div className="space-y-3">
+              {speedTestResults.map((result, index) => (
+                <div key={index} className="flex items-center justify-between p-3 border rounded-lg">
+                  <div className="flex items-center gap-3">
+                    <div className="text-sm font-medium">{result.name}</div>
+                  </div>
+                  <div className="flex items-center gap-2">
+                    {result.status === 'testing' && (
+                      <>
+                        <div className="h-4 w-4 animate-spin rounded-full border-b-2 border-blue-600"></div>
+                        <span className="text-sm text-blue-600">{t('relayStation.testing')}</span>
+                      </>
+                    )}
+                    {result.status === 'success' && (
+                      <>
+                        <div className="h-2 w-2 rounded-full bg-green-500"></div>
+                        <span className="text-sm text-green-600">{result.responseTime}ms</span>
+                      </>
+                    )}
+                    {result.status === 'failed' && (
+                      <>
+                        <div className="h-2 w-2 rounded-full bg-red-500"></div>
+                        <span className="text-sm text-red-600">{t('relayStation.failed')}</span>
+                      </>
+                    )}
+                  </div>
+                </div>
+              ))}
+            </div>
+            {!speedTestInProgress && speedTestResults.length > 0 && (
+              <div className="pt-2 text-center">
+                <div className="text-sm text-green-600">
+                  {t('relayStation.bestNodeSelected')}
+                </div>
+              </div>
+            )}
+          </div>
+        </DialogContent>
+      </Dialog>
    </>
  );
 };
@@ -1427,6 +1601,18 @@ const EditStationDialog: React.FC<{
    }
    return 'https://api.packycode.com';
  });
+  const [packycodeTaxiNode, setPackycodeTaxiNode] = useState<string>(() => {
+    // 如果是PackyCode滴滴车服务，使用当前的API URL
+    if (station.adapter === 'packycode' && station.api_url.includes('share-api')) {
+      return station.api_url;
+    }
+    return 'https://share-api.packycode.com';
+  });
+
+  // 测速弹出框状态
+  const [showSpeedTestModal, setShowSpeedTestModal] = useState(false);
+  const [speedTestResults, setSpeedTestResults] = useState<{ url: string; name: string; responseTime: number | null; status: 'testing' | 'success' | 'failed' }[]>([]);
+  const [speedTestInProgress, setSpeedTestInProgress] = useState(false);

  const { t } = useTranslation();

@@ -1460,6 +1646,75 @@ const EditStationDialog: React.FC<{
    }
  };

+  // 通用测速函数
+  const performSpeedTest = async (nodes: { url: string; name: string }[], onComplete: (bestNode: { url: string; name: string }) => void) => {
+    setShowSpeedTestModal(true);
+    setSpeedTestInProgress(true);
+    
+    // 初始化测速结果
+    const initialResults = nodes.map(node => ({
+      url: node.url,
+      name: node.name,
+      responseTime: null,
+      status: 'testing' as const
+    }));
+    setSpeedTestResults(initialResults);
+    
+    let bestNode = nodes[0];
+    let minTime = Infinity;
+    
+    // 并行测试所有节点
+    const testPromises = nodes.map(async (node, index) => {
+      try {
+        const startTime = Date.now();
+        await fetch(node.url, { 
+          method: 'HEAD',
+          timeout: 5000,
+          mode: 'no-cors'
+        });
+        const responseTime = Date.now() - startTime;
+        
+        // 更新单个节点的测试结果
+        setSpeedTestResults(prev => prev.map((result, i) => 
+          i === index ? { ...result, responseTime, status: 'success' } : result
+        ));
+        
+        if (responseTime < minTime) {
+          minTime = responseTime;
+          bestNode = node;
+        }
+        
+        return { node, responseTime };
+      } catch (error) {
+        console.log(`Node ${node.url} failed:`, error);
+        // 标记节点为失败
+        setSpeedTestResults(prev => prev.map((result, i) => 
+          i === index ? { ...result, responseTime: null, status: 'failed' } : result
+        ));
+        return { node, responseTime: null };
+      }
+    });
+    
+    try {
+      await Promise.all(testPromises);
+      // 测试完成后等待2秒让用户看到结果
+      setTimeout(() => {
+        setSpeedTestInProgress(false);
+        onComplete(bestNode);
+        // 再等1秒后关闭弹框
+        setTimeout(() => {
+          setShowSpeedTestModal(false);
+        }, 1000);
+      }, 2000);
+    } catch (error) {
+      console.error('Speed test failed:', error);
+      setSpeedTestInProgress(false);
+      setTimeout(() => {
+        setShowSpeedTestModal(false);
+      }, 1000);
+    }
+  };
+
  // 当适配器改变时更新认证方式和 URL
  useEffect(() => {
    if (formData.adapter === 'packycode') {
@@ -1467,7 +1722,7 @@ const EditStationDialog: React.FC<{
        ...prev,
        auth_method: 'api_key', // PackyCode 固定使用 API Key
        api_url: packycodeService === 'taxi'
-          ? 'https://share-api.packycode.com'
+          ? packycodeTaxiNode
          : packycodeNode
      }));
    } else if (formData.adapter === 'custom') {
@@ -1481,7 +1736,7 @@ const EditStationDialog: React.FC<{
        auth_method: 'bearer_token'
      }));
    }
-  }, [formData.adapter, packycodeService, packycodeNode]);
+  }, [formData.adapter, packycodeService, packycodeNode, packycodeTaxiNode]);


  const handleSubmit = async (e: React.FormEvent) => {
@@ -1783,7 +2038,7 @@ const EditStationDialog: React.FC<{
              </div>
              <p className="text-xs text-muted-foreground mt-3">
                {packycodeService === 'taxi'
-                  ? `${t('relayStation.fixedUrl')}: https://share-api.packycode.com`
+                  ? t('relayStation.taxiServiceNote')
                  : t('relayStation.busServiceNote')
                }
              </p>
@@ -1833,18 +2088,18 @@ const EditStationDialog: React.FC<{
                  type="button"
                  variant="outline"
                  onClick={async () => {
-                    setFormToast({ message: "正在测速，请稍候...", type: "success" });
-                    try {
-                      const best = await api.autoSelectBestNode();
-                      setPackycodeNode(best.url);
-                      setFormData(prev => ({ ...prev, api_url: best.url }));
-                      setFormToast({
-                        message: `已选择最快节点: ${best.name} (延迟: ${best.response_time}ms)`,
-                        type: "success"
-                      });
-                    } catch (error) {
-                      setFormToast({ message: "节点测速失败", type: "error" });
-                    }
+                    const busNodes = [
+                      { url: "https://api.packycode.com", name: "🚌 直连1（默认公交车）" },
+                      { url: "https://api-hk-cn2.packycode.com", name: "🇭🇰 直连2 (HK-CN2)" },
+                      { url: "https://api-us-cmin2.packycode.com", name: "🇺🇸 直连3 (US-CMIN2)" },
+                      { url: "https://api-us-4837.packycode.com", name: "🇺🇸 直连4 (US-4837)" },
+                      { url: "https://api-us-cn2.packycode.com", name: "🔄 备用1 (US-CN2)" },
+                      { url: "https://api-cf-pro.packycode.com", name: "☁️ 备用2 (CF-Pro)" }
+                    ];
+                    
+                    await performSpeedTest(busNodes, (bestNode) => {
+                      setPackycodeNode(bestNode.url);
+                    });
                  }}
                >
                  自动选择
@@ -2005,19 +2260,6 @@ const EditStationDialog: React.FC<{
          </div>
        </div>

-        {/* 仅在选择 Custom 时显示名称输入框 */}
-        {formData.adapter === 'custom' && (
-          <div className="space-y-2">
-            <Label htmlFor="custom-name">{t('relayStation.name')} *</Label>
-            <Input
-              id="custom-name"
-              value={formData.name}
-              onChange={(e) => setFormData(prev => ({ ...prev, name: e.target.value }))}
-              placeholder={t('relayStation.namePlaceholder')}
-              className="w-full"
-            />
-          </div>
-        )}

        <div className="flex justify-end space-x-3 pt-3 border-t">
          <Button type="button" variant="outline" onClick={onCancel}>
@@ -2043,6 +2285,56 @@ const EditStationDialog: React.FC<{
          onDismiss={() => setFormToast(null)}
        />
      )}
+
+      {/* 测速弹出框 */}
+      <Dialog open={showSpeedTestModal} onOpenChange={setShowSpeedTestModal}>
+        <DialogContent className="sm:max-w-[500px]">
+          <DialogHeader>
+            <DialogTitle>{t('relayStation.speedTest')}</DialogTitle>
+          </DialogHeader>
+          <div className="space-y-4">
+            <div className="text-sm text-muted-foreground">
+              {speedTestInProgress ? t('relayStation.testingNodes') : t('relayStation.testCompleted')}
+            </div>
+            <div className="space-y-3">
+              {speedTestResults.map((result, index) => (
+                <div key={index} className="flex items-center justify-between p-3 border rounded-lg">
+                  <div className="flex items-center gap-3">
+                    <div className="text-sm font-medium">{result.name}</div>
+                  </div>
+                  <div className="flex items-center gap-2">
+                    {result.status === 'testing' && (
+                      <>
+                        <div className="h-4 w-4 animate-spin rounded-full border-b-2 border-blue-600"></div>
+                        <span className="text-sm text-blue-600">{t('relayStation.testing')}</span>
+                      </>
+                    )}
+                    {result.status === 'success' && (
+                      <>
+                        <div className="h-2 w-2 rounded-full bg-green-500"></div>
+                        <span className="text-sm text-green-600">{result.responseTime}ms</span>
+                      </>
+                    )}
+                    {result.status === 'failed' && (
+                      <>
+                        <div className="h-2 w-2 rounded-full bg-red-500"></div>
+                        <span className="text-sm text-red-600">{t('relayStation.failed')}</span>
+                      </>
+                    )}
+                  </div>
+                </div>
+              ))}
+            </div>
+            {!speedTestInProgress && speedTestResults.length > 0 && (
+              <div className="pt-2 text-center">
+                <div className="text-sm text-green-600">
+                  {t('relayStation.bestNodeSelected')}
+                </div>
+              </div>
+            )}
+          </div>
+        </DialogContent>
+      </Dialog>
    </>
  );
 };
--- a/src/lib/api.ts
+++ b/src/lib/api.ts
@@ -2248,6 +2248,19 @@ export const api = {
    }
  },

+  /**
+   * Flush system DNS cache
+   * @returns Promise resolving to success message
+   */
+  async flushDns(): Promise<string> {
+    try {
+      return await invoke<string>("flush_dns");
+    } catch (error) {
+      console.error("Failed to flush DNS:", error);
+      throw error;
+    }
+  },
+
  /**
   * Gets current API config from Claude settings
   * @returns Promise resolving to current config info
--- a/src/locales/en/common.json
+++ b/src/locales/en/common.json
@@ -889,6 +889,9 @@
    "configSaved": "Config saved",
    "invalidJson": "Invalid JSON format",
    "saveFailed": "Save failed",
+    "flushDns": "Flush DNS",
+    "flushDnsSuccess": "DNS cache flushed",
+    "flushDnsFailed": "DNS flush failed",
    "syncFailed": "Failed to sync configuration",
    "currentConfig": "Current Configuration",
    "notConfigured": "Not configured",
@@ -898,14 +901,17 @@
    "busService": "Bus",
    "taxiServiceDesc": "Fast & Stable (share.packycode.com)",
    "busServiceDesc": "Shared Economy (packycode.com)",
-    "selectService": "Select a service type",
-    "fixedUrl": "Fixed URL",
+    "taxiServiceNote": "Select a node or use auto-selection for optimal performance",
    "busServiceNote": "Select a node or use auto-selection for optimal performance",
    "nodeSelection": "Node Selection",
    "selectNode": "Select a node",
    "autoSelect": "Auto-select fastest",
    "autoSelectDesc": "Will automatically test and select the fastest node",
    "selectedNode": "Selected",
+    "speedTest": "Speed Test",
+    "testingNodes": "Testing node speeds...",
+    "testing": "Testing",
+    "bestNodeSelected": "Best node selected",
    "testSpeed": "Test Speed",
    "testResults": "Speed Test Results",
    "failed": "Failed",
--- a/src/locales/zh/common.json
+++ b/src/locales/zh/common.json
@@ -816,6 +816,9 @@
    "configSaved": "配置已保存",
    "invalidJson": "JSON 格式无效",
    "saveFailed": "保存失败",
+    "flushDns": "刷新 DNS",
+    "flushDnsSuccess": "DNS 缓存已刷新",
+    "flushDnsFailed": "DNS 刷新失败",
    "syncFailed": "同步配置失败",
    "currentConfig": "当前配置",
    "notConfigured": "未配置",
@@ -825,14 +828,17 @@
    "busService": "公交车",
    "taxiServiceDesc": "高速稳定 (share.packycode.com)",
    "busServiceDesc": "共享经济 (packycode.com)",
-    "selectService": "选择服务类型",
-    "fixedUrl": "固定地址",
+    "taxiServiceNote": "选择节点或使用自动选择以获得最佳性能",
    "busServiceNote": "选择节点或使用自动选择以获得最佳性能",
    "nodeSelection": "节点选择",
    "selectNode": "选择节点",
    "autoSelect": "自动选择最快",
    "autoSelectDesc": "将自动测试并选择最快的节点",
    "selectedNode": "已选择",
+    "speedTest": "节点测速",
+    "testingNodes": "正在测试节点速度...",
+    "testing": "测试中",
+    "bestNodeSelected": "已选择最快节点",
    "testSpeed": "测速",
    "testResults": "测速结果",
    "failed": "失败",
@@ -870,4 +876,3 @@
    "title": "警告"
  }
 }
-