diff --git a/video-gen-api/.env b/video-gen-api/.env
index cc011046..9432b464 100644
--- a/video-gen-api/.env
+++ b/video-gen-api/.env
@@ -43,6 +43,9 @@ CAPTCHA_ENABLED=true
 # CORS
 CORS_ORIGINS=["*"]
 
+# Base URL (用于 favicon、回调地址等)
+BASE_URL=https://ceshi.apiforeign.minzhongzc.com
+
 # RESOURCE
 RESOURCE_SIGN_SECRET=EOTpDZsEgkaYWPxgtIedOO0lDlH1moTS2rnSIemjzmO3
 RESOURCE_SIGN_EXPIRE_SECONDS=86400
diff --git a/video-gen-api/.env.example b/video-gen-api/.env.example
index f3ea311b..efeec0e1 100644
--- a/video-gen-api/.env.example
+++ b/video-gen-api/.env.example
@@ -39,3 +39,6 @@ CAPTCHA_ENABLED=true
 
 # CORS
 CORS_ORIGINS=["http://localhost:5173", "http://localhost:3000"]
+
+# Base URL (用于 favicon、回调地址等)
+BASE_URL=https://your-domain.com
diff --git a/video-gen-api/app/config.py b/video-gen-api/app/config.py
index eb2eb956..53a2e53e 100644
--- a/video-gen-api/app/config.py
+++ b/video-gen-api/app/config.py
@@ -131,7 +131,7 @@ class Settings(BaseSettings):
 
     CAPTCHA_ENABLED: bool = True
 
-    BASE_URL: str = "https://ceshi.apiforeign.minzhongzc.com"
+    BASE_URL: str = ""
 
     CORS_ORIGINS: list[str] = ["*"]