Update Dockerfile

Dockerfile

@@ -14,7 +14,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends git
 #    我们将用户名和PAT写入临时文件
 RUN --mount=type=secret,id=GH_USERNAME \
     --mount=type=secret,id=GH_TOKEN \
-    git clone https://$(cat /run/secrets/GH_USERNAME):$(cat /run/secrets/GH_TOKEN)@github.com/YOUR_USERNAME/ducg_web_app.git .
+    git clone https://$(cat /run/secrets/GH_USERNAME):$(cat /run/secrets/GH_TOKEN)@github.com/GH_USERNAME/ducg_web_app.git .
 
 # --- 设置Python环境 ---
 # 1. 安装Python依赖