diff --git a/.dockerignore b/.dockerignore
index 5354070..cf9cc9e 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -59,13 +59,14 @@ backend/.venv/
 backend/env/
 backend/*.egg-info/
 backend/.pytest_cache/
-backend/db/*.db
-backend/*.sqlite3
-
-# Docker
-docker-compose*.yml
-Dockerfile
-.dockerignore
+backend/db/*.db
+backend/*.sqlite3
+backend/storage/
+
+# Docker
+docker-compose*.yml
+Dockerfile
+.dockerignore
 
 # Test files
 **/tests/
@@ -77,12 +78,15 @@ coverage/
 .coverage
 htmlcov/
 
-# Temporary files
-tmp/
-temp/
-*.tmp
-*.bak
-*.swp
+# Temporary files
+tmp/
+temp/
+*.tmp
+*.bak
+*.swp
+
+# Local runtime artifacts
+storage/
 
 # OS
 Thumbs.db
diff --git a/deploy/Dockerfile b/deploy/Dockerfile
index ecb2503..0136b9e 100644
--- a/deploy/Dockerfile
+++ b/deploy/Dockerfile
@@ -55,6 +55,9 @@ RUN pip install --no-cache-dir -r requirements.txt
 # 复制后端应用代码
 COPY backend/ ./
 
+# 清理可能被带入的 SQLite 数据文件，确保首次启动时根据环境变量初始化管理员密码
+RUN rm -rf /app/storage && mkdir -p /app/storage
+
 # 从前端构建阶段复制静态资源到 nginx 默认目录
 COPY --from=frontend-builder /frontend/dist /usr/share/nginx/html