diff --git a/src/api/proxies.ts b/src/api/proxies.ts
index 36aa05dea..0b98bd0e7 100644
--- a/src/api/proxies.ts
+++ b/src/api/proxies.ts
@@ -34,7 +34,7 @@ export async function requestToSwitchProxy(apiConfig, name1, name2) {
 export async function requestDelayForProxy(
   apiConfig,
   name,
-  latencyTestUrl = 'http://www.gstatic.com/generate_204'
+  latencyTestUrl = 'https://www.gstatic.com/generate_204'
 ) {
   const { url, init } = getURLAndInit(apiConfig);
   const qs = `timeout=5000&url=${encodeURIComponent(latencyTestUrl)}`;
diff --git a/src/store/app.ts b/src/store/app.ts
index ed0d42110..d154a6cb1 100644
--- a/src/store/app.ts
+++ b/src/store/app.ts
@@ -159,7 +159,7 @@ const defaultState: StateApp = {
   selectedClashAPIConfigIndex: 0,
   clashAPIConfigs: [defaultClashAPIConfig],
 
-  latencyTestUrl: 'http://www.gstatic.com/generate_204',
+  latencyTestUrl: 'https://www.gstatic.com/generate_204',
   selectedChartStyleIndex: 0,
   theme: 'dark',