diff --git a/Dockerfile b/Dockerfile
index dfaa451f5..fc20853d2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -106,6 +106,9 @@ RUN pip wheel \
 # ── ✅ 打包 gradio UI 所需依赖 ────────────────────────────────────────────────
 RUN pip wheel "gradio==5.38.2" requests -w /wheels
 
+# 把运行时所需依赖也打包进入wheel ────────────────────────────────────────────────
+RUN pip wheel pybase64==1.3.2 -w /wheels
+
 ###############################################################################
 # Stage 2 ─ runtime：极简运行镜像，仅离线安装 wheel
 ###############################################################################
@@ -116,7 +119,7 @@ ENV DEBIAN_FRONTEND=noninteractive PYTHONUNBUFFERED=1 LANG=C.UTF-8 LC_ALL=C.UTF-
 
 RUN apt-get update && apt-get install -y --no-install-recommends gcc g++ build-essential ninja-build cuda-compiler-12-6\
         python3 python3-dev python3-pip python3-distutils curl ca-certificates \
-        libopenblas-dev libgomp1 libcupti-dev libnuma1 libopenmpi-dev openmpi-bin libnuma-dev libpng16-16 libjpeg8 && \
+        libopenblas-dev libgomp1 libcupti-dev libnuma1 libopenmpi-dev openmpi-bin libnuma-dev libpng16-16 libjpeg8 libnccl2=2.22.3-1+cuda12.6 && \
     rm -rf /var/lib/apt/lists/* && \
     python3 -m pip install --no-cache-dir --upgrade pip \
     && python3 -m pip install --no-cache-dir xgrammar