diff --git a/Dockerfile b/Dockerfile
index 793ce15..1743cee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,6 +19,7 @@ LABEL org.opencontainers.image.source="https://github.com/your-repo/picobot"
 
 # Avoid interactive prompts
 ENV DEBIAN_FRONTEND=noninteractive
+ENV TZ=Asia/Shanghai
 
 # Configure domestic mirrors for pip, uv, npm (China)
 ENV PIP_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/
@@ -27,6 +28,7 @@ ENV UV_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/
 # Install base tools, Python, and uv in one layer to reduce duplication
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
+    tzdata \
     tini \
     curl \
     gnupg \
@@ -45,6 +47,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     python3 \
     python3-pip \
     python3-venv \
+    && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
     && rm -rf /var/lib/apt/lists/* \
     && pip3 install --no-cache-dir --break-system-packages uv
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 3162df5..924d05c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,6 +10,7 @@ services:
       - picobot_data:/app/.picobot
     environment:
       - RUST_LOG=info
+      - TZ=Asia/Shanghai
     command: gateway
 
 volumes: