diff --git a/Dockerfile b/Dockerfile
index f39b8607..314e064b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,7 @@ RUN test -f "./uv.lock" && \
     --mount=type=cache,target=/root/.cache/uv \
     --mount=type=bind,source=backend/uv.lock,target=uv.lock \
     --mount=type=bind,source=backend/pyproject.toml,target=pyproject.toml \
-    uv sync --frozen --no-install-project
+    uv sync --frozen --no-install-project || echo "uv.lock file not found, skipping intermediate-layers"
 
 COPY ./backend ${APP_HOME}
 
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 192d20b3..f1f911ac 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = [
     "oracledb (>=3.1.1,<4.0.0)"
 ]
 [[tool.uv.index]]
-url = "https://mirrors.aliyun.com/pypi/simple"
+url = "https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple"
 default = true
 
 [tool.uv]