diff --git a/src/utils/surge.ts b/src/utils/surge.ts
index 3ba1edcc7..08282c7aa 100644
--- a/src/utils/surge.ts
+++ b/src/utils/surge.ts
@@ -500,6 +500,7 @@ function appendCommonConfig(
         'ecn',
         'underlyingProxy',
         'testUrl',
+        'testTimeout',
         'tls13',
         'skipCertVerify',
         'sni',
diff --git a/src/validators/common.ts b/src/validators/common.ts
index 805e9b638..4c9824941 100644
--- a/src/validators/common.ts
+++ b/src/validators/common.ts
@@ -81,6 +81,7 @@ export const SimpleNodeConfigValidator = z.object({
   // Misc
   underlyingProxy: z.string().optional(),
   testUrl: z.string().optional(),
+  testTimeout: z.number().optional(),
   surgeConfig: SurgeConfigValidator.optional(),
   surfboardConfig: SurfboardConfigValidator.optional(),
   quantumultXConfig: QuantumultXConfigValidator.optional(),