diff --git a/backend/services/chart-service/Dockerfile b/backend/services/chart-service/Dockerfile
index 13aa691..699b908 100644
--- a/backend/services/chart-service/Dockerfile
+++ b/backend/services/chart-service/Dockerfile
@@ -16,8 +16,9 @@ COPY services/chart-service/src/ /app/src/
 COPY services/chart-service/alembic/ /app/alembic/
 
 # Install dependencies
-RUN pip install --no-cache-dir poetry && \
+RUN pip install --no-cache-dir -i https://pypi.tuna.tsinghua.edu.cn/simple poetry && \
     poetry config virtualenvs.create false && \
+    poetry source add --priority=primary tuna https://pypi.tuna.tsinghua.edu.cn/simple && \
     poetry install --no-interaction --no-ansi --no-root
 
 # Set PYTHONPATH to include shared
diff --git a/backend/services/data-service/Dockerfile b/backend/services/data-service/Dockerfile
index ef30688..fb7b9de 100644
--- a/backend/services/data-service/Dockerfile
+++ b/backend/services/data-service/Dockerfile
@@ -16,8 +16,9 @@ COPY services/data-service/src/ /app/src/
 COPY services/data-service/alembic/ /app/alembic/
 
 # Install dependencies
-RUN pip install --no-cache-dir poetry && \
+RUN pip install --no-cache-dir -i https://pypi.tuna.tsinghua.edu.cn/simple poetry && \
     poetry config virtualenvs.create false && \
+    poetry source add --priority=primary tuna https://pypi.tuna.tsinghua.edu.cn/simple && \
     poetry install --no-interaction --no-ansi --no-root
 
 # Set PYTHONPATH to include shared
diff --git a/backend/services/export-service/Dockerfile b/backend/services/export-service/Dockerfile
index 2605f72..d71b179 100644
--- a/backend/services/export-service/Dockerfile
+++ b/backend/services/export-service/Dockerfile
@@ -26,8 +26,9 @@ COPY services/export-service/alembic/ /app/alembic/
 COPY services/export-service/alembic.ini /app/alembic.ini
 
 # Install dependencies
-RUN pip install --no-cache-dir poetry && \
+RUN pip install --no-cache-dir -i https://pypi.tuna.tsinghua.edu.cn/simple poetry && \
     poetry config virtualenvs.create false && \
+    poetry source add --priority=primary tuna https://pypi.tuna.tsinghua.edu.cn/simple && \
     poetry install --no-interaction --no-ansi --no-root
 
 # Set PYTHONPATH to include shared
diff --git a/backend/services/template-service/Dockerfile b/backend/services/template-service/Dockerfile
index 2ee3d62..fbf99dc 100644
--- a/backend/services/template-service/Dockerfile
+++ b/backend/services/template-service/Dockerfile
@@ -17,8 +17,9 @@ COPY services/template-service/alembic/ /app/alembic/
 COPY services/template-service/alembic.ini /app/alembic.ini
 
 # Install dependencies
-RUN pip install --no-cache-dir poetry && \
+RUN pip install --no-cache-dir -i https://pypi.tuna.tsinghua.edu.cn/simple poetry && \
     poetry config virtualenvs.create false && \
+    poetry source add --priority=primary tuna https://pypi.tuna.tsinghua.edu.cn/simple && \
     poetry install --no-interaction --no-ansi --no-root
 
 # Set PYTHONPATH to include shared