diff --git a/docker/Dockerfile.prod b/docker/Dockerfile.prod
index dc0b375..269c9e8 100644
--- a/docker/Dockerfile.prod
+++ b/docker/Dockerfile.prod
@@ -44,19 +44,29 @@ RUN cmake --build /app/build --target edge_proxy --parallel $(nproc)
 RUN ls -l /app/build/
 
 
-## ----------------------------------------------------
-# 阶段 2: "Production"
-# 目标: 构建包含所有运行时库和您应用的精简镜像
 # ----------------------------------------------------
-FROM 192.168.0.75:3000/guanyuankai/ubuntu-arm64:22.04 
+# 阶段 2: "Production" (修正版)
+# ----------------------------------------------------
+FROM 192.168.0.75:3000/guanyuankai/ubuntu-arm64:22.04
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-# 1. (作为 root) 安装所有系统依赖
+# 1. (作为 root) 安装系统依赖
+#    *** 修正：严格遵循原始 PPA 逻辑 ***
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
     unzip software-properties-common gpg-agent \
-    espeak-ng-data libespeak1 python3 python3-pip \
+    python3 python3-pip \
+    && \
+    # *** 先添加 PPA ***
+    add-apt-repository -y ppa:jjriek/panfork-mesa && \
+    add-apt-repository -y ppa:jjriek/rockchip && \
+    add-apt-repository -y ppa:jjriek/rockchip-multimedia && \
+    # *** 再次 Update，使 PPA 生效 ***
+    apt-get update && \
+    # *** 现在才安装 PPA 中的包 ***
+    apt-get install -y --no-install-recommends \
+    espeak-ng-data libespeak1 \
     libssl-dev libspdlog-dev libsqlite3-dev libboost-all-dev \
     librockchip-mpp-dev librga-dev gstreamer1.0-rockchip \
     libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev \
@@ -66,58 +76,48 @@ RUN apt-get update && \
     gstreamer1.0-libav gstreamer1.0-tools gstreamer1.0-x \
     gstreamer1.0-pulseaudio gstreamer1.0-rtsp \
     libopencv-dev nmap \
-    && \
-    add-apt-repository -y ppa:jjriek/panfork-mesa && \
-    add-apt-repository -y ppa:jjriek/rockchip && \
-    add-apt-repository -y ppa:jjriek/rockchip-multimedia && \
-    apt-get update && \
-    rm -rf /var/lib/apt/lists/* [cite: 5, 6]
+    && rm -rf /var/lib/apt/lists/*
 
-# 2. (作为 root) 创建用户和组
+# 2. (作为 root) 创建用户和组 (已移除 sudo)
 RUN groupadd -r developers && \
     useradd -ms /bin/bash -g developers dev && \
-    # (移除了 -G sudo) [cite: 7]
     groupadd -g 20 dialout || true && \
     groupadd -g 44 video || true && \
     groupadd -g 110 render || true && \
-    # (移除了 g 29 render，因为它和 110 重复) [cite: 9, 10]
     usermod -a -G dialout dev && \
     usermod -a -G video dev && \
     usermod -a -G render dev && \
     usermod -a -G audio dev
-    # (移除了 sudoers 的 echo) 
 
 # 3. (作为 root) 复制所有文件
-COPY --from=build_env /usr/local/lib/ /usr/local/lib/ 
-COPY --from=build_env /usr/local/include/ /usr/local/include/ 
+COPY --from=build_env /usr/local/lib/ /usr/local/lib/
+COPY --from=build_env /usr/local/include/ /usr/local/include/
 COPY --from=build_env /app/build/edge_proxy /app/edge_proxy 
-WORKDIR /app 
+WORKDIR /app
 
-COPY rknn_sdk/librknn_api/include/rknn_api.h /usr/local/include/ 
-COPY rknn_sdk/rknn_server/aarch64/usr/bin/rknn_server /usr/bin/rknn_server 
-COPY rknn_sdk/librknn_api/aarch64/librknnrt.so /usr/lib/librknnrt.so 
-COPY rknn_sdk/librknn_api/aarch64/librknn_api.so /usr/lib/librknn_api.so 
-COPY rknn_sdk/whl/*.whl /tmp/rknn_wheels/ 
+COPY rknn_sdk/librknn_api/include/rknn_api.h /usr/local/include/
+COPY rknn_sdk/rknn_server/aarch64/usr/bin/rknn_server /usr/bin/rknn_server
+COPY rknn_sdk/librknn_api/aarch64/librknnrt.so /usr/lib/librknnrt.so
+COPY rknn_sdk/librknn_api/aarch64/librknn_api.so /usr/lib/librknn_api.so
+COPY rknn_sdk/whl/*.whl /tmp/rknn_wheels/
 RUN pip3 install /tmp/rknn_wheels/*.whl && \
-    rm -rf /tmp/rknn_wheels 
-RUN chmod +x /usr/bin/rknn_server 
-RUN ldconfig 
+    rm -rf /tmp/rknn_wheels
+RUN chmod +x /usr/bin/rknn_server
+RUN ldconfig
 
-COPY config/ /app/config/ 
-COPY models/ /app/models/ 
-COPY piper_models/ /app/piper_models/ 
+COPY config/ /app/config/
+COPY models/ /app/models/
+COPY piper_models/ /app/piper_models/
 
 # 4. (作为 root) 更改 /app 目录的所有权
-#    这是关键一步：在切换用户之前更改所有权
-RUN chown -R dev:developers /app 
-RUN chmod 775 /app/edge_proxy [cite: 12]
+RUN chown -R dev:developers /app
+RUN chmod 775 /app/edge_proxy
 
 # 5. 现在切换到 dev 用户
-USER dev 
+USER dev
 
 # 6. (作为 dev) 为 pip 设置 PATH 环境变量
 ENV PATH="/home/dev/.local/bin:${PATH}"
-# (移除了 echo 到 .bash_profile) [cite: 12]
 
 # 7. (作为 dev) 安装 Python 包
 RUN pip install --no-cache-dir --user -i https://mirrors.aliyun.com/pypi/simple/ \
@@ -125,8 +125,7 @@ RUN pip install --no-cache-dir --user -i https://mirrors.aliyun.com/pypi/simple/
     onvif-zeep \
     python-nmap \
     psutil \
-    paramiko [cite: 11, 12]
-# (移除了所有 sudo chown 和 chmod 命令) [cite: 12]
+    paramiko
 
 # 8. (作为 dev) 设置默认命令
-CMD ["/app/edge_proxy"] [cite: 12]
\ No newline at end of file
+CMD ["/app/edge_proxy"]
\ No newline at end of file