Update Dockerfile

Dockerfile

@@ -28,7 +28,7 @@ RUN cp -r client/dist/* server/dist/public/ 2>/dev/null || cp -r client/dist/* s
 EXPOSE 7860
 ENV PORT=7860
 ENV NODE_ENV=production
-ENV DATABASE_URL="file:/data/database.sqlite"
+DATABASE_URL=file:/data/freeapi.db
 
 # 创建备份脚本目录
 RUN mkdir -p /app/scripts /var/log/backup