diff --git a/config.example.json b/config.example.json
index bd6afca..2a4e966 100644
--- a/config.example.json
+++ b/config.example.json
@@ -4,7 +4,7 @@
     "sd_url": "http://127.0.0.1:7860",
     "mcp_url": "http://localhost:18060/mcp",
     "model": "deepseek-chat",
-    "persona": "温柔知性的时尚博主",
+    "persona": "性感福利主播，身材火辣衣着大胆，专注分享穿衣显身材和私房写真风穿搭",
     "auto_reply_enabled": false,
     "schedule_enabled": false,
     "my_user_id": "",
diff --git a/config.json b/config.json
index a6a18d2..7747a35 100644
--- a/config.json
+++ b/config.json
@@ -4,7 +4,7 @@
     "sd_url": "http://127.0.0.1:7861",
     "mcp_url": "http://localhost:18060/mcp",
     "model": "gemini-3-flash-preview",
-    "persona": "性感福利主播，身材火辣衣着大胆，专注分享穿衣显身材和私房写真风穿搭",
+    "persona": "温柔知性的时尚博主",
     "auto_reply_enabled": false,
     "schedule_enabled": false,
     "my_user_id": "69872540000000002303cc42",
diff --git a/main.py b/main.py
index c787b36..b1a49cb 100644
--- a/main.py
+++ b/main.py
@@ -4250,9 +4250,16 @@ with gr.Blocks(
 # ==================================================
 if __name__ == "__main__":
     logger.info("🍒 小红书 AI 爆文工坊 V2.0 启动中...")
+
+    # ---- Gradio 登录认证 ----
+    # 从配置或环境变量读取，默认用户名/密码: admin / admin123
+    _auth_user = os.environ.get("GRADIO_AUTH_USER", cfg.get("auth_user", "admin"))
+    _auth_pass = os.environ.get("GRADIO_AUTH_PASS", cfg.get("auth_pass", "admin123"))
+
     app.launch(
         server_name=os.environ.get("GRADIO_SERVER_NAME", "127.0.0.1"),
         server_port=int(os.environ.get("GRADIO_SERVER_PORT", "7860")),
         inbrowser=True,
         share=False,
+        auth=(_auth_user, _auth_pass),
     )