diff --git a/backend/internal/pkg/antigravity/oauth.go b/backend/internal/pkg/antigravity/oauth.go
index 7c963d9e510..66c3edf0901 100644
--- a/backend/internal/pkg/antigravity/oauth.go
+++ b/backend/internal/pkg/antigravity/oauth.go
@@ -46,7 +46,7 @@ const (
 
 	// Antigravity API 端点
 	antigravityProdBaseURL  = "https://cloudcode-pa.googleapis.com"
-	antigravityDailyBaseURL = "https://daily-cloudcode-pa.sandbox.googleapis.com"
+	antigravityDailyBaseURL = "https://daily-cloudcode-pa.googleapis.com"
 )
 
 // defaultUserAgentVersion 可通过环境变量 ANTIGRAVITY_USER_AGENT_VERSION 配置，默认 1.20.5