diff --git a/src-tauri/src/core/clash_api.rs b/src-tauri/src/core/clash_api.rs
index a1b9ab89..97e98e8d 100644
--- a/src-tauri/src/core/clash_api.rs
+++ b/src-tauri/src/core/clash_api.rs
@@ -52,7 +52,7 @@ pub async fn get_proxy_delay(
     let (url, headers) = clash_client_info()?;
     let url = format!("{url}/proxies/{name}/delay");
 
-    let default_url = "http://1.1.1.1";
+    let default_url = "https://cp.cloudflare.com/generate_204";
     let test_url = test_url
         .map(|s| if s.is_empty() { default_url.into() } else { s })
         .unwrap_or(default_url.into());
diff --git a/src/components/setting/mods/misc-viewer.tsx b/src/components/setting/mods/misc-viewer.tsx
index fef0511c..7bbfc8e2 100644
--- a/src/components/setting/mods/misc-viewer.tsx
+++ b/src/components/setting/mods/misc-viewer.tsx
@@ -205,7 +205,7 @@ export const MiscViewer = forwardRef<DialogRef>((props, ref) => {
             spellCheck="false"
             sx={{ width: 250, marginLeft: "auto" }}
             value={values.defaultLatencyTest}
-            placeholder="https://www.gstatic.com/generate_204"
+            placeholder="https://cp.cloudflare.com/generate_204"
             onChange={(e) =>
               setValues((v) => ({ ...v, defaultLatencyTest: e.target.value }))
             }
diff --git a/src/services/api.ts b/src/services/api.ts
index cfb85805..4c37869b 100644
--- a/src/services/api.ts
+++ b/src/services/api.ts
@@ -76,7 +76,7 @@ export const getProxyDelay = async (
 ) => {
   const params = {
     timeout: timeout || 10000,
-    url: url || "http://1.1.1.1",
+    url: url || "https://cp.cloudflare.com/generate_204",
   };
   const instance = await getAxios();
   const result = await instance.get(
@@ -258,7 +258,7 @@ export const getGroupProxyDelays = async (
 ) => {
   const params = {
     timeout: timeout || 10000,
-    url: url || "http://1.1.1.1",
+    url: url || "https://cp.cloudflare.com/generate_204",
   };
   const instance = await getAxios();
   const result = await instance.get(