diff --git a/Changelog.md b/Changelog.md
index c7e4c1498..1803219d1 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -28,7 +28,7 @@
 - 安装服务失败时报告更详细的错误
 - 避免脏订阅地址无法 Scheme 导入订阅
 - macOS TUN 覆盖 DNS 时使用 114.114.114.114
-- 连通性测试替换为更快的 https://1.1.1.1
+- 连通性测试替换为更快的 https://8.8.8.8/generate_204
 - 连接、规则、日志等页面的过滤搜索组件新增了清空输入框按钮
 - 链式代理增加明显的入口出口与数据流向标识
 - 优化 IP 信息卡
diff --git a/src/components/profile/groups-editor-viewer.tsx b/src/components/profile/groups-editor-viewer.tsx
index 55caa7feb..53d985ef3 100644
--- a/src/components/profile/groups-editor-viewer.tsx
+++ b/src/components/profile/groups-editor-viewer.tsx
@@ -615,7 +615,7 @@ export const GroupsEditorViewer = (props: Props) => {
                       />
                       <TextField
                         autoComplete="new-password"
-                        placeholder="https://1.1.1.1"
+                        placeholder="https://8.8.8.8/generate_204"
                         size="small"
                         sx={{ width: "calc(100% - 150px)" }}
                         {...field}
diff --git a/src/components/proxy/proxy-head.tsx b/src/components/proxy/proxy-head.tsx
index a4bd71c03..3c96ae82f 100644
--- a/src/components/proxy/proxy-head.tsx
+++ b/src/components/proxy/proxy-head.tsx
@@ -66,7 +66,7 @@ export const ProxyHead = ({
 
   const { verge } = useVerge();
   const defaultLatencyUrl =
-    verge?.default_latency_test?.trim() || "https://1.1.1.1";
+    verge?.default_latency_test?.trim() || "https://8.8.8.8/generate_204";
 
   useEffect(() => {
     delayManager.setUrl(groupName, testUrl?.trim() || url || defaultLatencyUrl);
diff --git a/src/components/setting/mods/misc-viewer.tsx b/src/components/setting/mods/misc-viewer.tsx
index e10ada6c8..4482bdb60 100644
--- a/src/components/setting/mods/misc-viewer.tsx
+++ b/src/components/setting/mods/misc-viewer.tsx
@@ -383,7 +383,7 @@ export const MiscViewer = forwardRef<DialogRef>((props, ref) => {
             spellCheck="false"
             sx={{ width: 250, marginLeft: "auto" }}
             value={values.defaultLatencyTest}
-            placeholder="https://1.1.1.1"
+            placeholder="https://8.8.8.8/generate_204"
             onChange={(e) =>
               setValues((v) => ({ ...v, defaultLatencyTest: e.target.value }))
             }
diff --git a/src/services/cmds.ts b/src/services/cmds.ts
index 13ec3be36..dda3c0a55 100644
--- a/src/services/cmds.ts
+++ b/src/services/cmds.ts
@@ -340,7 +340,7 @@ export async function cmdGetProxyDelay(
   url?: string,
 ) {
   // 确保URL不为空
-  const testUrl = url || "https://1.1.1.1";
+  const testUrl = url || "https://8.8.8.8/generate_204";
 
   try {
     // 不再在前端编码代理名称，由后端统一处理编码
diff --git a/src/services/delay.ts b/src/services/delay.ts
index 9cd252fd2..f4323f59e 100644
--- a/src/services/delay.ts
+++ b/src/services/delay.ts
@@ -120,7 +120,7 @@ class DelayManager {
       `[DelayManager] 获取测试URL，组: ${group}, URL: ${url || "未设置"}`,
     );
     // 如果未设置URL，返回默认URL
-    return url || "https://1.1.1.1";
+    return url || "https://8.8.8.8/generate_204";
   }
 
   setListener(