diff --git a/server/Dockerfile b/server/Dockerfile
index a3e8c4c..6498042 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -34,7 +34,8 @@ ENV APP_UPLOAD_DIR=/data/app/iotlcmadmin-web-svc/upload
 
 WORKDIR /app
 
-COPY --from=builder /usr/share/zoneinfo/Asia/Shanghai /usr/share/zoneinfo/Asia/Shanghai
+# runtime 基础镜像不含 tzdata，单独安装（原私有镜像已预装，公共镜像没有）
+RUN apk add --no-cache ca-certificates tzdata
 COPY --from=builder /out/iotlcm-app-server /app/iotlcm-app-server
 COPY resource/public /app/resource/public